WorldWideScience

Sample records for calorimeter mettler toledo

  1. IN-SITU MONITORING OF PRODUCT STREAMS FROM A SPINNING TUBE-IN-TUBE REACTOR USING A METTLER-TOLEDO REACT-IR

    Science.gov (United States)

    A Mettler-Toledo ReactIR system has been used for in-line, real-time monitoring of the product stream from a spinning tube-in-tube reactor (STT®, Kreido Laboratories, Camarillo California). This combination of a process intensified continuous-flow reactor and an in-situ analytic...

  2. Calorimeter insertion

    CERN Multimedia

    2006-01-01

    Calorimeter insertion between toroids in the ATLAS experiment detector Calorimeters are surrounding the inner detector. Calorimeters will absorb and measure the energies of the most charged and neutral particles after the collisions. The saved energy in the calorimeter is detected and converted to signals that are taken out with data taking electronics.

  3. 76 FR 62838 - Notice of Inventory Completion: The University of Toledo, Toledo, OH

    Science.gov (United States)

    2011-10-11

    ... National Park Service Notice of Inventory Completion: The University of Toledo, Toledo, OH AGENCY: National Park Service, Interior. ACTION: Notice. SUMMARY: The University of Toledo has completed an inventory of... of Toledo, Office of General Counsel, 2801 W. Bancroft St., Toledo, OH 43606, telephone (419) 530...

  4. Upgrading Classroom Management through the Toledo Partnership Approach.

    Science.gov (United States)

    Ellis, Crystal; And Others

    The Toledo Partnership Committee for Teaching, created to improve teaching and preservice teacher education, includes representatives from Bowling Green State University, the University of Toledo, the Toledo Federation of Teachers, the Toledo Association of Administrative Personnel, the Toledo Public Schools, and the Toledo Catholic Schools…

  5. Toledo, Ohio Public School Children Help Plan Toledo's Maumee Riverfront Development

    Science.gov (United States)

    Ryan, Mary

    1975-01-01

    Students from kindergarten through high school in the Toledo public schools stirred up their imagination to create art projects portraying their ideas of how Toledo's Maumee riverfront should be developed. (Author)

  6. The Alfonsine tables of Toledo

    CERN Document Server

    Chabás, José

    2003-01-01

    The Alfonsine Tables of Toledo is for historians working in the fields of astronomy, science, the Middle Ages, Spanish and other Romance languages. It is also of interest to scholars interested in the history of Castile, in Castilian-French relations in the Middle Ages and in the history of patronage. It explores the Castilian canons of the Alfonsine Tables and offers a study of their context, language, astronomical content, and diffusion. The Alfonsine Tables of Toledo is unique in that it: includes an edition of a crucial text in history of science; provides an explanation of astronomy as it was practiced in the Middle Ages; presents abundant material on early scientific language in Castilian; presents new material on the diffusion of Alfonsine astronomy in Europe; describes the role of royal patronage of science in a medieval context.

  7. ATLAS-Hadronic Calorimeter

    CERN Multimedia

    2003-01-01

    Hall 180 work on Hadronic Calorimeter The ATLAS hadronic tile calorimeter The Tile Calorimeter, which constitutes the central section of the ATLAS hadronic calorimeter, is a non-compensating sampling device made of iron and scintillating tiles. (IEEE Trans. Nucl. Sci. 53 (2006) 1275-81)

  8. Francisco Toledo, artista de tierra

    Directory of Open Access Journals (Sweden)

    Alejandra Ortiz Castañares

    2016-12-01

    Full Text Available The peculiarity of the art of Francisco Toledo (1940 - considered one of the greatest living Mexican artists - has consisted, since its origin, on the recover of the prehispanic culture as an aesthetic and ethical resource, in dialogue with international contemporary culture. A dialectic that is analysed throughout this text, including particularly problematic aspects of his biography, beginning from his identification with the pre Hispanic culture. It is therefore a bird's eye study, which selects certain founding characteristics of the artist and his work.

  9. The Toledo Cartulary, Capitulary Library of Toledo, 42-20 (1190 and its Contribution to the History of Toledo Cathedral

    Directory of Open Access Journals (Sweden)

    Ruth Miguel Franco

    2017-12-01

    Full Text Available The Toledo cartulary, Capitulary Library of Toledo, 42-40 (1190, is the oldest cartulary produced in Toledo Cathedral. It may also be considered an example of a cartulary-chronicle, as this volume not only includes royal, ecclesiastical and private documents relative to the institution (?, but it also includes some pieces of writing that contextualize the copied documents by relating them either to historical events, or to the Cathedral itself and to other assets or documents. The aim of this article is to analyze the construction of this cartulary and the mechanisms that it uses to transform individual documents into an account of the institutional history of Toledo Cathedral, focusing on the privileges of the mensa capitularis.

  10. Toledo Public Schools and the Bicentennial

    Science.gov (United States)

    Ryan, Mary

    1975-01-01

    Eleven hundred different impressions of Uncle Sam (created in all media; clay, paint, cloth, mache) were produced with affection and love by Toledo children, kindergarten through the high school grades. (Author)

  11. Vista y plano de Toledo

    Directory of Open Access Journals (Sweden)

    Kitaura, Yasunari

    2015-12-01

    Full Text Available In View and plan of Toledo, a faithful representation of the city and homage to it, the vision of the Virgin as well as the nude on the left, allegory of the river Tagus, sustenance of the life of the region represented by the youth clothed in olive-green, all are casual images presented in the sky, on the earth and in the thicket. El Greco’s imagination operates with almost mathematical rigour. A genealogical link can be traced between Jesus’ tunic in the Modena-Triptych, the tunic of the kneeled angel of the Baptism of the Prado and the chasuble carried by the Virgin in Vista y plano. The composition of the picture is related to the Adoration of the first period, repeating the youth with the map the same role of Saint Jerome with the Vulgata.En Vista y plano de Toledo, que es fiel retrato y homenaje a la ciudad, tanto la visión de la Virgen como el desnudo de la izquierda, alegoría del río Tajo, sustento básico para la vida de la región representada por el joven de la derecha, son imágenes casuales aparecidas en el cielo, en la tierra y en los matorrales. La fantasía grequiana opera con un rigor casi matemático. Se observa una genealogía establecida entre la túnica de Jesús del Tríptico de Módena, la del ángel arrodillado del Bautismo del Prado y la casulla portada por la Virgen en Vista y plano. La composición de Vista y plano está relacionada con la Adoración de la primera época toledana, estableciendo un vínculo entre el joven con el plano y san Jerónimo con la Vulgata.

  12. 75 FR 57375 - Establishment of Class E Airspace; Toledo, WA

    Science.gov (United States)

    2010-09-21

    ... Federal Aviation Administration 14 CFR Part 71 Establishment of Class E Airspace; Toledo, WA AGENCY... E airspace at Toledo, WA, to accommodate aircraft using a new Area Navigation (RNAV) Global... controlled airspace at Toledo, WA (75 FR 33559). Interested parties were invited to participate in this...

  13. Micro Calorimeter for Batteries

    Energy Technology Data Exchange (ETDEWEB)

    Santhanagopalan, Shriram [National Renewable Energy Laboratory (NREL), Golden, CO (United States)

    2017-08-01

    As battery technology forges ahead and consumer demand for safer, more affordable, high-performance batteries grows, the National Renewable Energy Laboratory (NREL) has added a patented Micro Calorimeter to its existing family of R&D 100 Award-winning Isothermal Battery Calorimeters (IBCs). The Micro Calorimeter examines the thermal signature of battery chemistries early on in the design cycle using popular coin cell and small pouch cell designs, which are simple to fabricate and study.

  14. AIDA: concerted calorimeter development

    CERN Multimedia

    Felix Sefkow

    2013-01-01

    AIDA – the EU-funded project bringing together more than 80 institutes worldwide – aims at developing new detector solutions for future accelerators. Among the highlights reported at AIDA’s recent annual meeting in Frascati was the completion of an impressive calorimeter test beam programme, conducted by the CALICE collaboration over the past two years at CERN’s PS and SPS beam lines.   The CALICE tungsten calorimeter prototype under test at CERN. This cubic-metre hadron calorimeter prototype has almost 500,000 individually read-out electronics channels – more than all the calorimeters of ATLAS and CMS put together. Calorimeter development in AIDA is mainly motivated by experiments at possible future electron-positron colliders, namely ILC or CLIC. The physics requirements of such future machines demand extremely high-performance calorimetry. This is best achieved using a finely segmented system that reconstructs events using the so-called pa...

  15. Software studies of GLD calorimeter

    Indian Academy of Sciences (India)

    Abstract. The baseline design of the GLD calorimeter is scintillator-strip arrays interleaved with absorber plates. We present preliminary performance studies of the hit clustering with this calorimeter using a simulator. Also, simulation results of a `digital' calorimeter, which is an option of the GLD calorimeter, are presented.

  16. 76 FR 63991 - Midwest Rail d/b/a Toledo, Lake Erie and Western Railway-Lease and Operation Exemption-Toledo...

    Science.gov (United States)

    2011-10-14

    ... Surface Transportation Board Midwest Rail d/b/a Toledo, Lake Erie and Western Railway--Lease and Operation Exemption--Toledo, Lake Erie and Western Railway and Museum, Inc. Midwest Rail d/b/a Toledo, Lake Erie and Western Railway (Toledo), a noncarrier, has filed a verified notice of exemption under 49 CFR 1150.31 to...

  17. BGO* electromagnetic calorimeter

    CERN Multimedia

    CERN

    1988-01-01

    * Short for Bismuth-Germanium-Oxyde, a scintillator of high atomic number Z used in electromagnetic crystal calorimeters. BGO is characterized by fast rise time (a few nanoseconds) and short radiation length (1.11 cm).

  18. GSPEL - Calorimeter Laboratory

    Data.gov (United States)

    Federal Laboratory Consortium — Testing performance claims on heat transfer componentsThe Calorimeter Lab, located in the Ground Systems Power and Energy Lab (GSPEL), is one of the largest in the...

  19. The KLOE electromagnetic calorimeter

    CERN Document Server

    Adinolfi, M; Antonelli, A; Antonelli, M; Anulli, F; Barbiellini, G; Bencivenni, G; Bertolucci, Sergio; Bini, C; Bloise, C; Bocci, V; Bossi, F; Branchini, P; Cabibbo, G; Caloi, R; Campana, P; Casarsa, M; Cataldi, G; Ceradini, F; Cervelli, F; Ciambrone, P; De Lucia, E; De Simone, P; De Zorzi, G; Dell'Agnello, S; Denig, A; Di Domenico, A; Di Donato, C; Di Falco, S; Doria, A; Erriquez, O; Farilla, A; Ferrari, A; Ferrer, M L; Finocchiaro, G; Forti, C; Franceschi, A; Franzini, P; Gao, M L; Gatti, C; Gauzzi, P; Giannasi, A; Giovannella, S; Graziani, E; Han, H G; Han, S W; Huang, X; Incagli, M; Ingrosso, L; Keeble, L; Kim, W; Kuo, C; Lanfranchi, G; Lee-Franzini, J; Lomtadze, T A; Mao Chen Sheng; Martemyanov, M; Mei, W; Messi, R; Miscetti, S; Moccia, S; Moulson, M; Murtas, F; Müller, S; Pacciani, L; Palomba, M; Palutan, M; Pasqualucci, E; Passalacqua, L; Passeri, A; Picca, D; Pirozzi, G; Pontecorvo, L; Primavera, M; Santangelo, P; Santovetti, E; Saracino, G; Schamberger, R D; Sciascia, B; Scuri, F; Sfiligoi, I; Silano, P; Spadaro, T; Spiriti, E; Tortora, L; Valente, P; Valeriani, B; Venanzoni, G; Ventura, A; Wu, Y; Wölfle, S; Xie, Y G; Zema, P F; Zhang, C D; Zhang, J Q; Zhao, P P

    2002-01-01

    The KLOE detector was designed primarily for the study of CP violation in neutral kaon decays at DAPHINE, the Frascati phi-factory. The detector consists of a tracker and an electromagnetic calorimeter. A lead-scintillating-fiber sampling calorimeter satisfies best the requirements of the experiment, providing adequate energy resolution and superior timing accuracy. We describe in the following the construction of the calorimeter, its calibration and how the calorimeter information is used to obtain energy, point of entry and time of the arrival of photons, electrons and charged particles. With e sup + e sup - collision data at DAPHINE for an integrated luminosity of some 2 pb sup - sup 1 we find for electromagnetic showers, an energy resolution of 5.7%/sq root E(GeV) and a time resolution of 54/sq root E(GeV) ps. We also present a measurement of efficiency for low energy photons.

  20. ATLAS - End-Cap calorimeter

    CERN Multimedia

    CERN Audiovisual Unit

    2006-01-01

    The End-cap calorimeter was moved with the help of the rails and this calorimeter will measure the energy of particles close to the beam axis when protons collide. Cooling is important for maximum detector efficiency.

  1. ALICE Zero Degree Calorimeter

    CERN Multimedia

    De Marco, N

    2013-01-01

    Two identical sets of calorimeters are located on both sides with respect to the beam Interaction Point (IP), 112.5 m away from it. Each set of detectors consists of a neutron (ZN) and a proton (ZP) Zero Degree Calorimeter (ZDC), positioned on remotely controlled platforms. The ZN is placed at zero degree with respect to the LHC beam axis, between the two beam pipes, while the ZP is positioned externally to the outgoing beam pipe. The spectator protons are separated from the ion beams by means of the dipole magnet D1.

  2. The ATLAS tile calorimeter

    CERN Multimedia

    Maximilien Brice

    2003-01-01

    Louis Rose-Dulcina, a technician from the ATLAS collaboration, works on the ATLAS tile calorimeter. Special manufacturing techniques were developed to mass produce the thousands of elements in this detector. Tile detectors are made in a sandwich-like structure where these scintillator tiles are placed between metal sheets.

  3. 77 FR 43048 - Foreign-Trade Zone 8-Toledo, OH; Application for Reorganization and Expansion Under Alternative...

    Science.gov (United States)

    2012-07-23

    ... Foreign-Trade Zones Board Foreign-Trade Zone 8--Toledo, OH; Application for Reorganization and Expansion...) Board (the Board) by the Toledo-Lucas County Port Authority, grantee of FTZ 8, requesting authority to...: Site 1 (332 acres)--Port of Toledo Complex, Toledo; Site 2 (337 acres)--Toledo Express Airport, 11311 W...

  4. RadNet Air Data From Toledo, OH

    Science.gov (United States)

    This page presents radiation air monitoring and air filter analysis data for Toledo, OH from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.

  5. Controversy and Apprehension among Principals Nearly Killed the Toledo Plan.

    Science.gov (United States)

    Lawrence, Dal

    1985-01-01

    A union leader relates his experience with the Toledo, Ohio, plan for identifying and dismissing incompetent teachers. Principals and supervisors resisted the peer review system at first, but later changed their minds because of its success. (TE)

  6. NA48 prototype calorimeter

    CERN Multimedia

    1990-01-01

    This is a calorimeter, a detector which measures the energy of particles. When in use, it is filled with liquid krypton at -152°C. Electrons and photons passing through interact with the krypton, creating a shower of charged particles which are collected on the copper ribbons. The ribbons are aligned to an accuracy of a tenth of a millimetre. The folding at each end allows them to be kept absolutely flat. Each shower of particles also creates a signal in scintillating material embedded in the support disks. These flashes of light are transmitted to electronics by the optical fibres along the side of the detector. They give the time at which the interaction occurred. The photo shows the calorimeter at NA48, a CERN experiment which is trying to understand the lack of anti-matter in the Universe today.

  7. ELECTROMAGNETIC CALORIMETER (ECAL)

    CERN Multimedia

    Roger Rusack

    Occupancy of the trigger primitives during a global run: the observed pattern is consistent with the polar angle dependence of the transverse energy equivalent of the electronic noise in the endcaps.   Progress on ECAL since the last CMS week has been mostly on three major fronts: we have continued with the installation and commissioning of the preshower detectors; the endcap calorimeter trigger has been installed and tested; and there have been many changes to the calorimeter detector control and safety systems. Both Preshower (ES) endcaps were installed in CMS on schedule, just before Easter. There followed a campaign of "first commissioning" to ensure that all services were correctly connected (electrical, optical, cooling, etc.). Apart from some optical ribbons that had to be replaced the process went rather smoothly, finishing on 23rd April. All power supplies are installed and operational. The cooling system (two branches of the joint Tracker-Preshower system) is fully fun...

  8. Secondary Emission Calorimeter (SEC)

    Energy Technology Data Exchange (ETDEWEB)

    Schmidt, J. J. [Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Northrop, Richard [Univ. of Chicago, IL (United States); Frisch, Henry [Univ. of Chicago, IL (United States); Elagin, Andrey [Univ. of Chicago, IL (United States); Ronzhin, Anatoly [Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Ramberg, Erik [Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Spiropulu, Maria [California Inst. of Technology (CalTech), Pasadena, CA (United States); Apresyan, Artur [California Inst. of Technology (CalTech), Pasadena, CA (United States); Xie, Si [California Inst. of Technology (CalTech), Pasadena, CA (United States)

    2014-06-25

    This is a technical scope of work (TSW) between the Fermi National Accelerator Laboratory (Fermilab) the experimenters of University of Chicago and California Institute of Technology, who have committed to participate in beam tests to be carried out during the 2014-2015 Fermilab Test Beam Facility program. The TSW is intended primarily for the purpose of recording expectations for budget estimates and work allocations. The experimenters propose using large-area micro-channel plates assembled without the usual bialkali photocathodes as the active element in sampling calorimeters, Modules without photocathodes can be economically assembled in a glove box and then pumped and sealed using the process to construct photomultipliers, This electromagnetic calorimeter is based on W and Pb absorber plates sandwiched with detectors. Measurements can be made with bare plates and absorber inside the vacuum vessel.

  9. Physics with calorimeters

    Science.gov (United States)

    Pretzl, Klaus

    2009-04-01

    Calorimeters played an essential role in the discoveries of new physics, for example neutral currents (Gargamelle), quark and gluon jets (SPEAR, UA2, UA1 and PETRA), W and Z bosons (UA1, UA2), top quark (CDF, D0) and neutrino oscillations (SUPER-KAMIOKANDE, SNO). A large variety of different calorimeters have been developed covering an energy range between several and 1020 eV. This article tries to demonstrate on a few selected examples, such as the early jet searches in hadron-hadron collisions, direct dark matter searches, neutrino-less double beta decay and direct neutrino mass measurements, how the development of these devices has allowed to explore new frontiers in physics.

  10. UA2 central calorimeter

    CERN Multimedia

    The UA2 central calorimeter measured the energy of individual particles created in proton-antiproton collisions. Accurate calibration allowed the W and Z masses to be measured with a precision of about 1%. The calorimeter had 24 slices like this one, each weighing 4 tons. The slices were arranged like orange segments around the collision point. Incoming particles produced showers of secondary particles in the layers of heavy material. These showers passed through the layers of plastic scintillator, generating light which was taken by light guides (green) to the data collection electronics. The amount of light was proportional to the energy of the original particle. The inner 23 cm of lead and plastic sandwiches measured electrons and photons; the outer 80 cm of iron and plastic sandwiches measured strongly interacting hadrons. The detector was calibrated by injecting light through optical fibres or by placing a radioactive source in the tube on the bottom edge.

  11. The CMS Outer Hadron Calorimeter

    CERN Document Server

    Acharya, Bannaje Sripathi; Banerjee, Sunanda; Banerjee, Sudeshna; Bawa, Harinder Singh; Beri, Suman Bala; Bhandari, Virender; Bhatnagar, Vipin; Chendvankar, Sanjay; Deshpande, Pandurang Vishnu; Dugad, Shashikant; Ganguli, Som N; Guchait, Monoranjan; Gurtu, Atul; Kalmani, Suresh Devendrappa; Kaur, Manjit; Kohli, Jatinder Mohan; Krishnaswamy, Marthi Ramaswamy; Kumar, Arun; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Mondal, Naba Kumar; Nagaraj, P; Narasimham, Vemuri Syamala; Patil, Mandakini Ravindra; Reddy, L V; Satyanarayana, B; Sharma, Seema; Singh, B; Singh, Jas Bir; Sudhakar, Katta; Tonwar, Suresh C; Verma, Piyush

    2006-01-01

    The CMS hadron calorimeter is a sampling calorimeter with brass absorber and plastic scintillator tiles with wavelength shifting fibres for carrying the light to the readout device. The barrel hadron calorimeter is complemented with a outer calorimeter to ensure high energy shower containment in CMS and thus working as a tail catcher. Fabrication, testing and calibrations of the outer hadron calorimeter are carried out keeping in mind its importance in the energy measurement of jets in view of linearity and resolution. It will provide a net improvement in missing $\\et$ measurements at LHC energies. The outer hadron calorimeter has a very good signal to background ratio even for a minimum ionising particle and can hence be used in coincidence with the Resistive Plate Chambers of the CMS detector for the muon trigger.

  12. La metamorfosis de Toledo en la pintura de El Greco

    Directory of Open Access Journals (Sweden)

    Palma Martínez-Burgos García

    2004-01-01

    Full Text Available En el presente artículo se abordan los distintos enfoques con los que El Greco interpreta el paisaje de Toledo. Hábil en el uso de la escenografía, tal y como la había aprendido en su periplo veneciano y romano, sabe usar convenientemente los hitos arquitectónicos de Toledo para enmarcar sus composiciones religiosas. De este modo y bajo sus pinceles, Toledo se metamorfosea en Jerusalén, en Troya, en Egipto, en Tours o en las tierras toscanas que acompañan algunas de sus composiciones. Fragmentado o envuelto en el enigma, el perfil de Toledo responde al capricho de la clientela más culta, habituada al uso de la Historia y de la Antigüedad.This article describes the various approaches used by El Greco to interpret Toledo’s landscape. Skilled in the use of scenery, which he had learned in his trips to Venice and Rome, he knows how to use Toledo’s architectural landmarks to frame his religious compositions. In this manner, and using his paintbrushes, Toledo metamorphoses into Jerusalem, Troy, Egypt, Tours, or the lands of Tuscany present in some of his works. Fragmented or shrouded in mystery, the profile of Toledo responds to the whims of the most cultured clientele, accustomed to the use of history and antiquity.

  13. 77 FR 46024 - Foreign-Trade Zone 8-Toledo, OH; Notification of Proposed Production Activity, Whirlpool...

    Science.gov (United States)

    2012-08-02

    ...--Toledo, OH; Notification of Proposed Production Activity, Whirlpool Corporation (Washing Machines), Clyde and Green Springs, OH The Toledo-Lucas County Port Authority, grantee of FTZ 8, submitted a...

  14. ELECTROMAGNET CALORIMETER (ECAL)

    CERN Multimedia

    R. Rusack

    Installation is under way of the last piece of the electromagnetic calorimeter. This is the preshower (ES) that sits in front of the two endcap calorimeters. The construction of the ES was completed in December and went through a detailed set of tests in December and January. The two preshower detectors have a total of 4300 silicon sensors with 137,000 strips. After final assembly and system testing in January, only two of the strips were found to be defective. Once CMS was fully opened a new support structure (‘Gazprom’) was put into place underneath the beam pipe, to support the Surkov platform, on which the preshower installation takes place. In the early hours of 26th February the first two Dees, which form the ‘ES+’ endcap,  were transported to P5 , a journey that took two and a half hours. The Dees, still inside environmental protection boxes, were then lowered  underground and moved to the ‘+’ end of CMS. Installation start...

  15. The PANDA backward calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Ahmadi, Heybat; Deiseroth, Malte; Khaneft, Dmitry; Noll, Oliver; Valente, Roserio; Zambrana, Manuel [Johannes Gutenberg-Universitaet Mainz (Germany); Helmholtz-Institut Mainz (Germany); Ahmed, Samer [Helmholtz-Institut Mainz (Germany); Capozza, Luigi; Dbeyssi, Alaa; Froehlich, Bertold; Lin, Dexu; Maas, Frank; Mora Espi, Maria Carmen; Morales Morales, Cristina; Rodriguez Pineiro, David; Zimmermann, Iris [Helmholtz-Institut Mainz (Germany); GSI Helmholtzzentrum fuer Schwerionenforschung GmbH (Germany)

    2015-07-01

    The PANDA experiment at FAIR is being devised for a broad physics programme in hadron structure and spectroscopy. Full and accurate reconstruction of scattering events, reliable particle identification and an almost complete solid angle coverage are required. An important tool for meeting this requirements will be the electromagnetic calorimeter (EMC). It is required to measure particle energies ranging from some MeVs to several GeVs with a relative resolution of 1% + 2%/√(E/GeV), assuring a compact geometry and radiation hardness at the same time. For these reasons PbWO{sub 4} was chosen as scintillation material. The whole calorimeter has been designed in three sections: a forward end-cap, a central barrel and a backward end-cap (BWEC). The BWEC, under development at Mainz, will cover scattering polar angles between 140 and 170 and will be made of 524 PbWO{sub 4} crystals. The scintillation light will be detected by large area avalanche photodiodes which will be read out by customised front-end ASIC chips. A status report on the development of the BWEC will be given in this contribution.

  16. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    A. Skuja

    Central Calorimeter (HB/HE/HO) Photodetectors The main activity of the HCAL group during the present shutdown is the replacement of a small fraction of the Central Calorimeter (HB/HE/HO) photodetectors -- the Hybrid Photo-Detectors (HPDs). During the MTCC of 2006 it was established that all HPDs exhibit a low rate of discharge generating large random pulses. This behaviour persists at the full CMS field. However, at relatively low fields (0.5 Tesla) this discharge rate increases dramatically and becomes very large for a fraction of the HPDs. The HO HPDs which sit in the gap of the return yoke are thus adversly affected. These discharge pulses have been labelled "HPD noise" (which must be distinguished from low level electronic noise which manifests itself as pedestal noise for all HPD readout channels). Additional intermediate level noise can be generated by ion-feedback arising from thermal and field emission electrons. Ion feedback noise never exceeds the equivalent of few 10s of GeV, the...

  17. ELECTROMAGNETIC CALORIMETER (ECAL)

    CERN Multimedia

    P. Bloch

    ECAL crystal calorimeter (EB + EE) The Barrel and Endcaps ECAL calorimeters have been used routinely in global runs. The CRAFT data have confirmed that ECAL performance is the same with or without magnetic field. The CRUZET and CRAFT runs have allowed experience to be gained with ECAL operation in many areas, in particular for the trigger and the calibration sequence using gap events (laser events and LED pulsing). More details can be found in the Commissioning/DPG report in this bulletin.   The last components remaining to be installed and commissioned are the specific Endcap Trigger modules (TCC-48). Most of the modules have been delivered to LLR and half of them are already at CERN. In parallel, large progress has been made on the validation of the TCC-48 firmware. Preshower (ES) The Preshower project has also made impressive progress during Autumn. All the elements required to complete the detector assembly are at hand. Ladder assembly, test and calibration with cosmic rays at the operating ...

  18. File list: ALL.Bld.05.AllAg.Toledo [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Bld.05.AllAg.Toledo hg19 All antigens Blood Toledo SRX1048492,SRX683865,SRX6838...64,SRX1048493 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Bld.05.AllAg.Toledo.bed ...

  19. File list: ALL.Bld.50.AllAg.Toledo [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Bld.50.AllAg.Toledo hg19 All antigens Blood Toledo SRX683864,SRX1048492,SRX6838...65,SRX1048493 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Bld.50.AllAg.Toledo.bed ...

  20. File list: ALL.Bld.20.AllAg.Toledo [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Bld.20.AllAg.Toledo hg19 All antigens Blood Toledo SRX683864,SRX1048492,SRX1048...493,SRX683865 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Bld.20.AllAg.Toledo.bed ...

  1. 40 CFR 81.43 - Metropolitan Toledo Interstate Air Quality Control Region.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 17 2010-07-01 2010-07-01 false Metropolitan Toledo Interstate Air... Air Quality Control Regions § 81.43 Metropolitan Toledo Interstate Air Quality Control Region. The Metropolitan Toledo Interstate Air Quality Control Region (Ohio-Michigan) consists of the territorial area...

  2. 75 FR 33559 - Proposed Establishment of Class E Airspace; Toledo, WA

    Science.gov (United States)

    2010-06-14

    ... TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 Proposed Establishment of Class E Airspace; Toledo...). SUMMARY: This action proposes to establish Class E airspace at Toledo, WA, to accommodate aircraft using a... Ed Carlson Memorial Field- South Lewis County Airport, Toledo, WA. Controlled airspace is necessary...

  3. The CDF miniplug calorimeters

    Energy Technology Data Exchange (ETDEWEB)

    Lami, Stefano

    2002-06-28

    Two MiniPlug calorimeters, designed to measure the energy and lateral position of particles in the (forward) pseudorapidity region of 3.6 < |{nu}| < 5.2 of the CDF detector, have been recently installed as part of the Run II CDF upgrade at the Tevatron {bar p}p collider. They consist of lead/liquid scintillator read out by wavelength shifting fibers arranged in a pixel-type towerless geometry suitable for ''calorimetric tracking''. The design concept, the prototype performance and the final design of the MiniPlugs are here described. A recent cosmic ray test resulted in a light yield of approximately 100 pe/MIP, which exceeds our design requirements.

  4. A Luminosity Calorimeter for CLIC

    CERN Document Server

    Abramowicz, H; Kananov, S; Levy, A; Sadeh, I

    2009-01-01

    For the relative precision of the luminosity measurement at CLIC, a preliminary target value of 1% is being assumed. This may be accomplished by constructing a finely granulated calorimeter, which will measure Bhabha scattering at small angles. In order to achieve the design goal, the geometrical parameters of the calorimeter need to be defined. Several factors influence the design of the calorimeter; chief among these is the need to minimize the error on the luminosity measurement while avoiding the intense beam background at small angles. In this study the geometrical parameters are optimized for the best performance of the calorimeter. In addition, the suppression of physics background to Bhabha scattering is investigated and a set of selection cuts is introduced.

  5. Muon g-2 Calorimeter Prototypes

    Energy Technology Data Exchange (ETDEWEB)

    Polly, Chris; /Fermilab

    2010-05-03

    The proposed design is a tungsten-scintillating fiber calorimeter with 35 segments, each read out by a separate PMT. Tungsten, which is significantly denser than lead, produces compact showers. This is necessary, in order to improve shower separation in analysis and to fully contain the showers within a calorimeter that satisfies the strict space constraints of the experiment. A single calorimeter segment (4 x 6 x 15 cm{sup 3}) has been constructed in order establish the feasibility of the new design and study its properties. Initial tests of the detector segment at the Paul Scherrer Institute were conducted with a low energy < 400 MeV/c electron beam. A higher-energy test with electrons up to a few GeV/c was performed at the Test Beam Facility under the experimental number T-967. All data from that test have been analyzed and published, and the tungsten-scintillating fiber calorimeter still appears to be a viable candidate. For this test beam run, a larger calorimeter (15 x 15 x 11 cm{sup 3}) has been constructed and an emphasis will be placed on understanding shower leakage and the ability to separate pileup events with a more granular readout. The experimenters will measure the energy resolution, linearity, and shower size of the calorimeter segment. This will provide important information for finalizing decisions on the angle of the fibers relative to the incoming electrons and the optimal granularity of the readout.

  6. Toledo School of Translators and their influence on anatomical terminology.

    Science.gov (United States)

    Arráez-Aybar, Luis-Alfonso; Bueno-López, José-L; Raio, Nicolas

    2015-03-01

    Translation facilitates transmission of knowledge between cultures. The fundamental transfer of anatomic terminology from the Ancient Greek and Islamic Golden Age cultures, to medieval Latin Christendom took place in the so-called Toledo School of Translators in the 12th-13th centuries. Translations made in Toledo circulated widely across Europe. They were the foundation of scientific thinking that was born in the boards of first universities. In Toledo, Gerard of Cremona translated Avicenna's Canon of Medicine, the key work of Islamic Golden Age of medicine. Albertus Magnus, Mondino de Luzzi and Guy de Chauliac, the leading authors of anatomical Latin words in the Middle Ages, founded their books on Gerard's translations. The anatomical terms of the Canon retain auctoritas up to the Renaissance. Thus, terms coined by Gerard such as diaphragm, orbit, pupil or sagittal remain relevant in the current official anatomical terminology. The aim of the present paper is to bring new attention to the highly significant influence that the Toledo School of Translators had in anatomical terminology. For this, we shall review here the onomastic origins of a number of anatomical terms (additamentum; coracoid process; coxal; false ribs; femur; panniculus; spondylus; squamous sutures; thorax; xiphoid process, etc.) which are still used today. Copyright © 2015 Elsevier GmbH. All rights reserved.

  7. High Technology in the Manufacturing Sector of the Toledo Economy.

    Science.gov (United States)

    Kurtz, Ivan G.

    A study examined the degree of reindustrialization underway and planned for in the greater Toledo area located in northwestern Ohio. It also analyzed the perception of manpower requirements needed to support such a reindustrialization effort. During the study, researchers reviewed literature dealing with current employment patterns and labor needs…

  8. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    J. Spalding

    2011-01-01

    Throughout the entire proton-proton run of 2011, all HCAL calorimeters operated very efficiently. Over 99% of HCAL readout and trigger channels were alive. However, during the year we did face two hardware problems. One major operation problem was the occasional loss of data from a single RBX caused by single event upsets (SEUs). The rate of RBX data loss was on average one incident per 10 pb–1 of integrated luminosity. This led to approximately 1% of CMS data loss. In order to mitigate this problem, HCAL has introduced an automatic reset of the RBX. With this reset, full operation was restored within about one minute. The final hardware correction of the problem will be possible only during a long shutdown (LS1) in 2013-’14. Another hardware problem that developed in 2011 was the failure of QPLL (quartz phase lock loops) chips. This led to the loss of phase of the readout clock with respect to the LHC clock. As a consequence, in two sections in HCAL (10 degree in φ on HB and 1...

  9. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    A. Skuja

    Since the beginning of 2007, HCAL has made significant progress in the installation and commissioning of both hardware and software. A large fraction of the physical Hadron Calorimeter modules have been installed in UX5. In fact, the only missing pieces are HE- and part of HO. The HB+/- were installed in the cryostat in March. HB scintillator layer-17 was installed above ground before the HB were lowered. The HB- scintillator layer-0 was installed immediately after completion of EB- installation. HF/HCAL Commissioning The commissioning and checkout of the HCAL readout electronics is also proceeding at a rapid pace in Bldg. 904 and USC55. All sixteen crates of HCAL VME readout electronics have been commissioned and certified for service. Fifteen are currently operating in the S2 level of USC55. The last crate is being used for firmware development in the Electronics Integration Facility in 904. All installed crates are interfaced to their VME computers and receive synchronous control from the fully-equipp...

  10. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    J. Spalding

    2011-01-01

    All the HCAL calorimeters are ready for data-taking in 2011 and participated fully in the cosmic running and initial beam operations in the last few weeks. Several improvements were made during the winter technical stop, including replacement of the light-guide sleeves in HF, improvements to the low voltage power connections, and separation of HF from HB and HE in the DAQ partitions. During the 2010 running a form of anomalous noise in the HF was identified as being caused by scintillation when charged particles pass through a portion of the air light-guide sleeve. This portion was constructed from a non-conductive mirror-like material called “HEM”. To suppress these anomalous signals, during the recent winter technical stop all sleeves in the detector were replaced with sleeves made of Tyvek. The detector has been recommissioned with all channels fully operational. Recalibration of the detector will be required due to the differing reflectivity of the new sleeves compared with the HEM sl...

  11. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    A. Skuja

    During the last 3 months commissioning of HCAL has continued for HO and HE+. We have also started the commissioning of the first wedge of HB+. Progress continues to be made by our Trigger/DAQ, DCS and DPG colleagues. HF will be used to obtain a Luminosity measurement for CMS. A first test of the modifications to the HF electronics was made in the August CMS global run. In addition to installation and commissioning of various parts of HCAL, we also completed a very successful summer Test Beam period which saw measurements of the combined HE/EE/ES calorimeter system in the H2 test beam. Installation and Commissioning a. HB commissioning This week, part of the final water-cooling system for HB was commissioned. Eighteen HB- wedges and two pilot wedges on HB+ have been connected to the water circuit on YB0. On Sept 6, 2007 cabling and commissioning was started for the first HB readout box (RBX) using temporary set of cables. We have connected RBX-17 to the Low Voltage PS and the HCAL Detector Control Sy...

  12. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    A. Skuja

    HCAL installation and commissioning is approaching completion. Work continues on commissioning of HE-, HF- and the minus wheels of HO. We expect that all commissioning will be completed by mid-March. HCAL commissioning is interleaved with integration of HCAL and the Global Calorimeter Trigger (GCT). HCAL is attempting to take data using the HPD self-trigger as part of the GCT trigger path. Initial attempts in mid-February have not succeeded. Work continues on HCAL and the GCT. HPD lifetimes at 4 Tesla are being measured in Princeton. After more than a month of testing in a 4 Tesla field there are no sur¬prises. As the lifetime measurements proceed, the HPD response at intermediate fields of 1 Tesla will be verified and analyzed. Work also continues on HCAL calibration and DCS/DSS at Point 5. More details for some of the subsystems are presented in what follows. HE HE plus The cooling system of HE+ is functional now. The HE+ final connections to the LV system are complete. LV and HV tests to ev...

  13. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    by J. Spalding and A. Skuja

    2010-01-01

    Operations and Maintenance All HCAL sub-detectors participated throughout the recent data taking with 7 TeV collisions. A timing scan of HF was performed to optimize the timing across the detectors and to set the overall time position of the ~10-ns wide signals within the 25-ns integration time slice. This position was chosen to ensure that the trigger primitives in physics events are generated synchronously at the desired bunch crossing, while also providing discrimination between the calorimeter signals and anomalous signals due to interactions within the photomultiplier tubes. This timing discrimination is now used in the standard filter algorithms for anomalous signals. For HB and HE, once the statistics needed to assess the timing of a sufficient number of channels was accumulated, it was verified that the time settings determined with cosmic, splash events and initial collision data were appropriate for the 7 TeV collision data taking. A further fine-tuning of the HB and HE time settings will be perfo...

  14. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    J. Spalding and A. Skuja

    2010-01-01

    Splash and Collision Data HCAL recorded the beam-on-collimator (splash) and the first collision data in November and December 2009, and provided triggers to CMS with the forward calorimeter, HF. Splash events were used to improve the energy inter-calibration of the HB and HE channels, with the basic assumption that the energy deposited in the detector by the large flux of muons that passed through in splash events was a smooth function in eta and phi. The new HB and HE calibration coefficients were applied prior to the collision data taking. For HO, a similar analysis is being finalized. Splash events were also used to determine the relative timing between channels in HB and HE, and new delay settings were calculated based on splashes from one beam, applied and verified with the splash events from the other beam. During Fall 2009, the HF technical trigger was improved in order to be effectively used as one of the main CMS triggers during the collision data taking. Collisions were successfully recorded by all...

  15. HADRON CALORIMETER (HCAL)

    CERN Multimedia

    D. Green

    The organization of CMS HCAL contains four “geographic” efforts, HB, HO, HE and HF. In addition there are presently five “common” HCAL activities. These ef¬forts are concentrated on electronics, on controls (DCS), on physics objects (JetMet), on Installation and Commissioning (I&C), and on Test Beam (TB) and Cosmic Challenge (MTCC) data taking. HCAL has begun planning to re-organize to be synchronized with the overall CMS management structure. HF The full production of the wedges is completed for some time. The 2004 test beam work has established the radioactive source calibration system for HF works at the 5 % level or better and a note is completed. The calibration of the complete HF is complete. HF is now in the UX cavern and will be hooked up and read out as soon as the services are available. HE The two HE calorimeters are installed and an initial calibration has been established. In the MTCC the HE was read out and muon data was observed. Event b...

  16. ELECTROMAGNETIC CALORIMETER (ECAL)

    CERN Multimedia

    P. Bloch

    ECAL Barrel (EB) The cabling of the ECAL Barrel services on YB0 was completed early December 2007. The team has now commissioned the complete Barrel. To run all the supermodules in parallel, it is necessary to remove the heat from the service cables on YB0. The corresponding thermal screens are being installed and, for the time being, a max¬imum of 25 supermodules has been run concurrently. EB is read out regularly with a local DAQ as well as with the central DAQ and trigger. The calorimeter trigger has also been commissioned, allowing us to trigger on cosmic muons. ECAL Endcaps (EE) The Endcaps crystal production will be completed before the end of March 2008, as planned. The gluing of the VPTs (Vacuum Photo Triodes) on the crystals and the assembly of Supercrystals (sets of 25 crystals) are proceeding at the pace of 16 Supercrystals (400 channels) per week. Two thirds of the Supercrystals needed for the complete EE have been produced. Their mounting on the Dee backplates (including the connectio...

  17. The Prism Plastic Calorimeter (PPC)

    CERN Multimedia

    2002-01-01

    This proposal supports two goals: \\\\ \\\\ First goal:~~Demonstrate that current, widely used plastic technologies allow to design Prism Plastic Calorimeter~(PPC) towers with a new ``liquid crystal'' type plastic called Vectra. It will be shown that this technique meets the requirements for a LHC calorimeter with warm liquids: safety, hermeticity, hadronic compensation, resolution and time response. \\\\ \\\\ Second goal:~~Describe how one can design a warm liquid calorimeter integrated into a LHC detector and to list the advantages of the PPC: low price, minimum of mechanical structures, minimum of dead space, easiness of mechanical assembly, accessibility to the electronics, possibility to recirculate the liquid. The absorber and the electronic being outside of the liquid and easily accessible, one has maximum flexibility to define them. \\\\ \\\\ The R&D program, we define here aims at showing the feasibility of these new ideas by building nine towers of twenty gaps and exposing them to electron and hadron beams.

  18. Polystyrene calorimeter for electron beam dose measurements

    DEFF Research Database (Denmark)

    Miller, A.

    1995-01-01

    Calorimeters from polystrene have been constructed for dose measurement at 4-10 MeV electron accelerators. These calorimeters have been used successfully for a few years, and polystyrene calorimeters for use at energies down to 1 MeV and being tested. Advantage of polystyrene as the absorbing...

  19. The CLAS forward electromagnetic calorimeter

    CERN Document Server

    Amarian, M; Beard, K; Brooks, W; Burkert, V; Carstens, T; Coleman, A; Demirchyan, R; Efremenko, Yu V; Egiyan, H; Egiyan, K; Funsten, H; Gavrilov, V; Giovanetti, K; Marshall, R M; Mecking, B; Minehart, R C; Mkrtchan, H; Ohandjanyan, M; Sharabyan, Yu G; Smith, L C; Stepanyan, S; Stephens, W A; Tung, T Y; Zorn, C

    2001-01-01

    The CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab utilizes six iron-free superconducting coils to provide an approximately toroidal magnetic field. The six sectors are instrumented individually to form six independent spectrometers. The forward region (8 deg. < 45 deg.) of each sector is equipped with a lead-scintillator electromagnetic sampling calorimeter (EC), 16 radiation lengths thick, using a novel triangular geometry with stereo readout. With its good energy and position resolution, the EC is used to provide the primary electron trigger for CLAS. It is also used to reject pions, reconstruct pi deg. and eta decays and detect neutrons. This paper treats the design, construction and performance of the calorimeter.

  20. Life at the College of Nobles Maidens of Toledo

    Directory of Open Access Journals (Sweden)

    Ángel Santos Vaquero

    2017-07-01

    Full Text Available The College of Noble Maidens of Toledo was founded by Cardinal Silíceo in 1551, designed to train women as holy and Christian wives and educated housewives. As would be admitted girls who could prove their ancestry free of impure blood. When they married would receive a dowry. Over time the institution was made many visits that were trying to bring order to the relaxation of discipline and desmadres produced both in administrative matters such as economic and internal order. Finally on July 20, 1988 was agreed between the Archbishop of Toledo and National Heritage. For him the Statute of Real Compatronato were modified and agreed to convert the institution into a female dorm.

  1. Priscilianistas: Actas del I Concilio de Toledo recopiladas por Bartolomé Carranza

    Directory of Open Access Journals (Sweden)

    Ruiz de Pablos, Francisco

    2001-06-01

    Full Text Available In the current article, the author provides some documents which demonstrate that Bartolomé Carranza, (Archbishop from Toledo was the first person who compiled the «Actas from the 1st Council of Toledo», against the theory sustained by Chadwick since 1978.

    En el presente artículo el autor aporta documentos que demuestran que Bartolomé Carranza, arzobispo de Toledo, fue el primer recopilador de las Actas del I Concilio de Toledo, en contra de la teoría sostenida por Chadwick desde 1978.

  2. The new ATLAS Fast Calorimeter Simulation

    Science.gov (United States)

    Schaarschmidt, J.; ATLAS Collaboration

    2017-10-01

    Current and future need for large scale simulated samples motivate the development of reliable fast simulation techniques. The new Fast Calorimeter Simulation is an improved parameterized response of single particles in the ATLAS calorimeter that aims to accurately emulate the key features of the detailed calorimeter response as simulated with Geant4, yet approximately ten times faster. Principal component analysis and machine learning techniques are used to improve the performance and decrease the memory need compared to the current version of the ATLAS Fast Calorimeter Simulation. A prototype of this new Fast Calorimeter Simulation is in development and its integration into the ATLAS simulation infrastructure is ongoing.

  3. The new ATLAS Fast Calorimeter Simulation

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00223142; The ATLAS collaboration

    2017-01-01

    Current and future need for large scale simulated samples motivate the development of reliable fast simulation techniques. The new Fast Calorimeter Simulation is an improved parameterized response of single particles in the ATLAS calorimeter that aims to accurately emulate the key features of the detailed calorimeter response as simulated with Geant4, yet approximately ten times faster. Principal component analysis and machine learning techniques are used to improve the performance and decrease the memory need compared to the current version of the ATLAS Fast Calorimeter Simulation. A prototype of this new Fast Calorimeter Simulation is in development and its integration into the ATLAS simulation infrastructure is ongoing.

  4. Software studies of GLD calorimeter

    Indian Academy of Sciences (India)

    ECAL ... lent performance with the particle flow algorithm (PFA). We attempt to implement a reconstruction code in ... this simulation, the calorimeter has a tower structure, and the lateral segmentation size of the scintillator is 4 × 4 cm2 for ECAL, ...

  5. The ALICE Zero Degree Calorimeters

    CERN Document Server

    Arnaldi, R; Cicalò, C; Cortese, P; De Falco, A; Dellacasa, G; De Marco, N; Ferretti, A; Gallio, M; Macciotta, P; Masoni, A; Mauro, S; Mereu, P; Musso, A; Oppedisano, C; Piccotti, A; Puddu, G; Randaccio, P; Scalas, E; Scomparin, E; Serci, S; Siddi, E; Soave, C; Usai, G L; Vercellin, Ermanno

    1999-01-01

    In the ALICE experiment at Cern LHC, a set of hadron calorimeters will be used to determine the centrality of the Pb-Pb collision. The spectator protons and neutrons, will be separated from the ion beams, using the separator magnet (D1) of the LHC beam optics and respectively detected by a proton (ZP) and a neutron (ZN) "Zero-degree Calorimeter" (ZDC). The detectors will be placed in front of the separator D2 magnet, 115 meters away from the beam intersection point. The ZDCs are quartz-fiber spaghetti calorimeters that exploit the Cherenkov light produced by the shower particles in silica optical fibers.This technique offers the advantages of high radiation hardness (up to several Grad), fast response and reduced lateral dimension of the detectable shower. In addition, quartz-fiber calorimeters are intrinsically insensitive to radio-activation background, which produces particles below the Cherenkov threshold.The ALICE ZDC should have an energy resolution comparable with the intrinsic energy fluctuations, whi...

  6. Fast Calorimeter Simulation in ATLAS

    CERN Document Server

    Schaarschmidt, Jana; The ATLAS collaboration

    2017-01-01

    Producing the very large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of reducing CPU requirements when detailed detector simulations are not needed. During the LHC Run-1, a fast calorimeter simulation (FastCaloSim) was successfully used in ATLAS. FastCaloSim provides a simulation of the particle energy response at the calorimeter read-out cell level, taking into account the detailed particle shower shapes and the correlations between the energy depositions in the various calorimeter layers. It is interfaced to the standard ATLAS digitization and reconstruction software, and it can be tuned to data more easily than GEANT4. It is 500 times faster than full simulation in the calorimeter system. Now an improved version of FastCaloSim is in development, incorporating the experience with the version used during Run-1. The new FastCaloSim makes use of mach...

  7. COE1 Calorimeter Operations Manual

    Energy Technology Data Exchange (ETDEWEB)

    Santi, Peter Angelo [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2015-12-15

    The purpose of this manual is to describe the operations of the COE1 calorimeter which is used to measure the thermal power generated by the radioactive decay of plutonium-bearing materials for the purposes of assaying the amount of plutonium within the material.

  8. Barrel calorimeter of the CMD-3 detector

    Energy Technology Data Exchange (ETDEWEB)

    Shebalin, V. E., E-mail: V.E.Shebalin@inp.nsk.su; Anisenkov, A. V.; Aulchenko, V. M.; Bashtovoy, N. S. [Russian Academy of Sciences, Budker Institute of Nuclear Physics, Siberian Branch (Russian Federation); Epifanov, D. A. [University of Tokyo, Department of Physics (Japan); Epshteyn, L. B.; Grebenuk, A. A.; Ignatov, F. V.; Erofeev, A. L.; Kovalenko, O. A.; Kozyrev, A. N.; Kuzmin, A. S.; Logashenko, I. B.; Mikhailov, K. Yu.; Razuvaev, G. P.; Ruban, A. A.; Shwartz, B. A.; Talyshev, A. A.; Titov, V. M.; Yudin, Yu. V. [Russian Academy of Sciences, Budker Institute of Nuclear Physics, Siberian Branch (Russian Federation)

    2015-12-15

    The structure of the barrel calorimeter of the CMD-3 detector is presented in this work. The procedure of energy calibration of the calorimeter and the method of photon energy restoration are described. The distinctive feature of this barrel calorimeter is its combined structure; it is composed of two coaxial subsystems: a liquid xenon calorimeter and a crystalline CsI calorimeter. The calorimeter spatial resolution of the photon conversion point is about 2 mm, which corresponds to an angular resolution of ∼6 mrad. The energy resolution of the calorimeter is about 8% for photons with energy of 200 MeV and 4% for photons with energy of 1 GeV.

  9. Laccomimus xikrin sp. nov. and new records of other species of Laccomimus Toledo & Michat, 2015 (Coleoptera: Dytiscidae: Laccophilinae) from Brazil.

    Science.gov (United States)

    Braga, Rafael Benzi; Ferreira, Nelson

    2016-08-18

    The genus Laccomimus Toledo & Michat, 2015 was recently erected for small drop-shape Dytiscidae beetles commonly found in Tropical South America associated with lentic waters. In the present paper a new species, Laccomimus xikrin sp. nov., is described and illustrated. New records from Brazil are presented for Laccomimus alvarengi Toledo & Michat, 2015 from Amazonas state, L. bordoni Toledo & Michat, 2015 from São Paulo state and L. variegatus Toledo & Michat, 2015 from Pará state.

  10. 78 FR 1197 - Reorganization/Expansion of Foreign-Trade Zone 8 Under Alternative Site Framework; Toledo, OH

    Science.gov (United States)

    2013-01-08

    ... Framework; Toledo, OH Pursuant to its authority under the Foreign-Trade Zones Act of June 18, 1934, as... establishment or reorganization of zones; Whereas, the Toledo-Lucas County Port Authority, grantee of Foreign..., Lucas and Defiance Counties, Ohio, in and adjacent to the Toledo- Sandusky Customs and Border Protection...

  11. 77 FR 55436 - Special Local Regulation; Partnership in Education, Dragon Boat Race; Maumee River, Toledo, OH

    Science.gov (United States)

    2012-09-10

    ..., Dragon Boat Race; Maumee River, Toledo, OH AGENCY: Coast Guard, DHS. ACTION: Notice of proposed... River during the annual Dragon Boat Races. This special local regulated area is necessary to protect... Regulation; Partnership in Education Dragon Boat Race, Maumee River Toledo, OH in the Federal Register...

  12. The University of Toledo Competency-Based Teacher Education and Individually Guided Education Program.

    Science.gov (United States)

    Dickson, George E.

    The cooperative program for competency-based teacher education (CBTE) and individually guided education (IGE) operating in the Toledo, Ohio, area is described. Planning, development, design, and redesign processes of the program (which involves the University of Toledo, and public and private schools in the district) are surveyed. Nineteen forces…

  13. 77 FR 70139 - Foreign-Trade Zone 8-Toledo, OH; Authorization of Production Activity; Whirlpool Corporation...

    Science.gov (United States)

    2012-11-23

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF COMMERCE Foreign-Trade Zones Board Foreign-Trade Zone 8--Toledo, OH; Authorization of Production Activity; Whirlpool Corporation (Washing Machines); Clyde and Green Springs, OH On July 20, 2012 the Toledo-Lucas...

  14. Keeping It Real: A Toledo Public School Prepares Students for College and Career

    Science.gov (United States)

    Dubin, Jennifer

    2014-01-01

    In this article, author Jennifer Dubin offers a look into the innovations taking place in the Toledo Technology Academy (TTA), a career-tech school within the public school system in Toledo, Ohio. TTA teaches students in grades 7 through 12 using a science, technology, engineering, and math (STEM) curriculum, in addition to the traditional…

  15. Toledo Guiding Principles on Teaching about Religions and Beliefs in Public Schools: Executive Summary

    Science.gov (United States)

    Santoro, Simona

    2008-01-01

    In this article, the author provides an executive summary of the Toledo guiding principles on teaching about religions and beliefs in public schools in Spain. The Toledo Guiding Principles have been prepared in order to contribute to an improved understanding of the world's increasing religious diversity and the growing presence of religion in the…

  16. Tile Calorimeter Muon Trigger Signal

    CERN Document Server

    Cerqueira, A S; Usai, G L

    2002-01-01

    The Tile Calorimeter contributes to the first level trigger with the fast analog signal coming from the trigger summing boards, so-called analog adder. The adders provide two kinds of output: the total energy sum in a trigger tower and the signal from the respective cell of the last radial calorimeter layer, which can be used for identifying muons, thus making the muon first level trigger more robust. This note reviews the adder specifications and laboratory tests, whereas the main focus is put on the data analysis from the testbeam periods in~2001. Several improvements achieved by tuning the read-out are described. Using the testbeam results, the ability to identify muons in the last radial Tilecal layer is discussed. The experimental results obtained at the testbeams are completed with the Monte Carlo simulations.

  17. The CLAS Forward Electromagnetic Calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    M. Amarian; Geram Asryan; Kevin Beard; Will Brooks; Volker Burkert; Tom Carstens; Alan Coleman; Raphael Demirchyan; Yuri Efremenko; Hovanes Egiyan; Kim Egiyan; Herb Funsten; Vladimir Gavrilov; Kevin L. Giovanetti; R.M. Marshall; Berhard Mecking; R.C. Minehart; H. Mkrtchan; Mavrik Ohandjanyan; Youri Sharabian; L.C. Smith; Stepan Stepanyan; W.A. Stephens; T.Y. Tung; Carl Zorn

    2001-05-01

    The CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab utilizes six iron-free superconducting coils to provide an approximately toroidal magnetic field. The six sectors are instrumented individually to form six independent spectrometers. The forward region (8deg < (theta) < 45deg) of each sector is equipped with a lead-scintillator electromagnetic sampling calorimeter (EC), 16 radiation lengths thick, using a novel triangular geometry with stereo readout. With its good energy and position resolution, the EC is used to provide the primary electron trigger for CLAS. It is also used to reject pions, reconstruct pi-0 and eta decays and detect neutrons, This paper treats the design, construction and performance of the calorimeter.

  18. Electromagnetic Calorimeter for HADES Experiment

    Directory of Open Access Journals (Sweden)

    Rodríguez-Ramos P.

    2014-01-01

    Full Text Available Electromagnetic calorimeter (ECAL is being developed to complement dilepton spectrometer HADES. ECAL will enable the HADES@FAIR experiment to measure data on neutral meson production in heavy ion collisions at the energy range of 2-10 AGeV on the beam of future accelerator SIS100@FAIR. We will report results of the last beam test with quasi-monoenergetic photons carried out in MAMI facility at Johannes Gutenberg Universität Mainz.

  19. Performance of the ATLAS Tile Calorimeter

    CERN Document Server

    Heelan, Louise; The ATLAS collaboration

    2015-01-01

    The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. It is a key detector for the measurement of hadrons, jets, tau leptons and missing transverse energy. It is also useful for identification and reconstruction of muons due to good signal to noise ratio. The calorimeter consists of thin steel plates and 460,000 scintillating tiles configured into 5000 cells, each viewed by two photomultipliers. The calorimeter response and its readout electronics is monitored to better than 1% using radioactive source, laser and charge injection systems. The calibration and performance of the calorimeter have been established through test beam measurements, cosmic ray muons and the large sample of proton-proton collisions acquired in 2011 and 2012. Results on the calorimeter performance are presented, including the absolute energy scale, timing, noise and associated stabilities. The results demonstrate that the Tile Calorimeter has performed well within the design ...

  20. Upgrading ATLAS Fast Calorimeter Simulation

    CERN Document Server

    Heath, Matthew Peter; The ATLAS collaboration

    2017-01-01

    Producing the very large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of reducing CPU requirements when detailed detector simulations are not needed. During the LHC Run-1, a fast calorimeter simulation (FastCaloSim) was successfully used in ATLAS. FastCaloSim provides a simulation of the particle energy response at the calorimeter read-out cell level, taking into account the detailed particle shower shapes and the correlations between the energy depositions in the various calorimeter layers. It is interfaced to the standard ATLAS digitization and reconstruction software, and it can be tuned to data more easily than Geant4. Now an improved version of FastCaloSim is in development, incorporating the experience with the version used during Run-1. The new FastCaloSim aims to overcome some limitations of the first version by improving the description of s...

  1. [Alcohol consumption in Toledo schoolchildren: reasons and alternatives].

    Science.gov (United States)

    Orgaz Gallego, M P; Segovia Jiménez, M; López de Castro, F; Tricio Armero, M A

    2005-10-15

    To know the consumption of alcohol in Toledo schoolchildren, to find out the reasons which cause them to drink and the alternatives proposed. Descriptive, transverse study. 2 zones in the Toledo health area. A total of 625 adolescents between 13 and 18 years, in the third and fourth years of Obligatory Secondary Education and first year in High School (Bachillerato) of 2 secondary education institutions in Torrijos and 1 in Toledo capital. Using an ad hoc designed anonymous questionnaire, with 32 items, the following data was collected: age, sex, alcohol consumption (personal, family, and friends), how much (standard drink units), knowledge and sources of information on alcohol, taking of other drugs, reasons for consuming, and the alternatives. 47.27% of those questioned were male. The mean age was 15.4 +/- (-)1.3 years. 93.4% had tried alcohol (95% CI, 91.1-95.2). 52.0% had been drunk at some time, which was more frequent in rural areas than in the city. 58.1% considered alcohol as a drug. Among the reasons mentioned for drinking, the main ones were "enjoyment" (46.3%), "to forget problems" (30.7%), and "curiosity" (24.6%). The alternatives to drinking which were proposed were related to computers and sport. The consumption of alcohol is a common habit among adolescents and its pattern differs between urban and rural areas, where it is much earlier and more intense in the latter. It forms part of their lifestyle, they use it as a means of enjoyment and a large percentage consider that alcohol is a drug. Against "street binge drinking," their proposals are computer activities and sport.

  2. Family reunion for the UA2 calorimeter

    CERN Multimedia

    Abha Eli Phoboo

    2015-01-01

    After many years in CERN’s Microcosm exhibition, the last surviving UA2 central calorimeter module has been moved to Hall 175, the technical development laboratory of the ATLAS Tile Hadronic Calorimeter (Tilecal). The UA2 and ATLAS calorimeters are cousins, as both were designed by Otto Gildemeister. Now side by side, the calorimeters illustrate the progress made in sampling organic scintillator calorimeters over the past 35 years.   The ATLAS Tile Calorimeter prototypes (left) and the UA2 central calorimeter (right) in Hall 175. (Image: Mario Campanelli/ATLAS.) From 1981 to 1990, the UA2 experiment was one of the two detectors on CERN’s flagship accelerator, the SPS. At the heart of the UA2 detector was the central calorimeter. It was made up of 24 slices – each weighing four tonnes – arranged like orange segments around the collision point. These calorimeter slices played a central role in the research carried out by UA2 for the discovery of W bosons...

  3. La organizacion del Cabildo de Jurados de Toledo (1422 1510

    Directory of Open Access Journals (Sweden)

    Rosa María Montero Tejada

    1990-01-01

    Full Text Available En 1422 Juan II llevó a cabo la que fue sin duda más importante reforma en el gobierno municipal de Toledo. Con el fin de acabar con la «anarquía» generada por la participación en los ayuntamientos de un gran número de caballeros y ciudadanos poderosos de la ciudad que trataban de imponer sus criterios en cuestiones de administración y gobierno en pro de su beneficio particular, sin que los oficiales gubernativos —alcaldes, alguacil y fieles— tuviesen fuerza ni autoridad para impedirlo, el rey decidió establecer el sistema de gobierno que había impuesto Alfonso XI en otras ciudades. Éste se basaba fundamentalmente en restringir el acceso al ejercicio del poder municipal, que quedaría en manos de un número determinado de personas, constituyendo un ayuntamiento cerrado o regimiento, cuyos componentes, los regidores, que en Toledo fueron veinticuatro pertenecían a los grupos más influyentes social y económicamente de la ciudad, es decir, procedían de lo que se ha denominado «oligarquía urbana».

  4. Calderón de la Barca y Toledo

    Directory of Open Access Journals (Sweden)

    Colomina Torner, Jaime

    2001-12-01

    Full Text Available In the last Year 2000, it was expired the fourth Centenary of Pedro Calderón de la Barca's birth. On the ocassion of this, He was remembered with several ceremonies in Spain. In Toledo the Royal Academy of FineArts and Historic Science, and the Cathedral Chapter give Him a great homage in the Royal Chapel in what occuped a post and job, being priest in 1653. The author of this biographic note participated in this homage, and when he looked into in same archives he found these dates that here are published apparently unknown, and they light up aspects of His biography.En el pasado año 2000 se cumplió el IV centenario del nacimiento de D. Pedro Calderón de la Barca. Con este motivo fue recordado en España con diversos actos. En Toledo, la Real Academia de B. Artes y C. Históricas y el Cabildo de la catedral le tributaron un solemne homenaje en la misma Real Capilla en la que ocupó una plaza, siendo ya sacerdote, a partir de 1653. El autor de esta nota biográfica participó en dicho homenaje, y al investigar en varios archivos halló estos datos, que aquí se publican, al parecer, inéditos y que iluminan aspectos de su biografía.

  5. Understanding the performance of CMS calorimeter

    Indian Academy of Sciences (India)

    The performance of the CMS hadron calorimeter is studied using test beam facilities at CERN. Two wedges of brass-scintillator calorimeter are exposed to negative and positive beams with momenta between 3 and 300 GeV/c. Light produced in the scintillators are collected using wavelength shifting fibres and read out ...

  6. Cone calorimeter tests of wood composites

    Science.gov (United States)

    Robert H. White; Kuma Sumathipala

    2013-01-01

    The cone calorimeter is widely used for the determination of the heat release rate (HRR) of building products and other materials. As part of an effort to increase the availability of cone calorimeter data on wood products, the U.S. Forest Products Laboratory and the American Wood Council conducted this study on composite wood products in cooperation with the Composite...

  7. LHCb: Physics with the LHCb calorimeter

    CERN Multimedia

    Barsuk, S

    2007-01-01

    The LHCb calorimeter comprises the scintillator pad detector (SPD), preshower (PS), electromagnetic Shashlyk type (ECAL) and hadronichadronic Tile (HCAL) calorimeters, arranged in pseudo-projective geometry. All the four detectors follow the general principle of reading the light from scintillator tiles with wave length shifting fibers, and transporting the light towards photomultipliers (25 ns R/O).

  8. ATLAS Tile calorimeter calibration and monitoring systems

    CERN Document Server

    Cortes-Gonzalez, Arely; The ATLAS collaboration

    2017-01-01

    The ATLAS Tile Calorimeter is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by the passage of charged particles is transmitted by wavelength shifting fibres to photomultiplier tubes, located in the outer part of the calorimeter. The readout is segmented into about 5000 cells (longitudinally and transversally), each of them being read out by two photomultiplier in parallel. To calibrate and monitor the stability and performance of each part of the readout chain during the data taking, a set of calibration systems is used. The calibration system comprises Cesium radioactive sources, laser, charge injection elements and an integrator based readout system. Combined information from all systems allows to monitor and equalise the calorimeter r...

  9. Upgrading the Fast Calorimeter Simulation in ATLAS

    CERN Document Server

    Schaarschmidt, Jana; The ATLAS collaboration

    2017-01-01

    The tremendous need for simulated samples now and even more so in the future, encourage the development of fast simulation techniques. The Fast Calorimeter Simulation is a faster though less accurate alternative to the full calorimeter simulation with Geant4. It is based on parametrizing the longitudunal and lateral energy deposits of single particles in the ATLAS calorimeter. Principal component analysis and machine learning techniques are used to improve the performance and decrease the memory need compared to the current version of the ATLAS Fast Calorimeter Simulation. The parametrizations are expanded to cover very high energies and very forward detector regions, to increase the applicability of the tool. A prototype of this upgraded Fast Calorimeter Simulation has been developed and first validations with single particles show substantial improvements over the previous version.

  10. ATLAS Tile calorimeter calibration and monitoring systems

    CERN Document Server

    Chomont, Arthur Rene; The ATLAS collaboration

    2016-01-01

    The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by the passage of charged particles is transmitted by wavelength shifting fibres to photomultiplier tubes (PMTs), located on the outside of the calorimeter. The readout is segmented into about 5000 cells (longitudinally and transversally), each of them being read out by two PMTs in parallel. To calibrate and monitor the stability and performance of each part of the readout chain during the data taking, a set of calibration systems is used. The TileCal calibration system comprises Cesium radioactive sources, laser and charge injection elements and it allows to monitor and equalize the calorimeter response at each stage of the signal production, from scin...

  11. Deterioration of ancient metallic elements taken from Toledo cathedral

    Directory of Open Access Journals (Sweden)

    Castaño González, Juan Guillermo

    2001-08-01

    Full Text Available The construction of Toledo Cathedral spanned a period of more than 200 years and was influenced by many different trends and criteria, reflected in the wide range of styles it accommodates (basically Mudéjar and Gothic, with Flemish, baroque and renaissance elements. Over the centuries it has undergone numerous restorations, also according to different criteria. The cathedral is situated in an environment of low aggressivity, in terms of atmospheric contamination, but the passage of time has taken its toll on many structural, architectural and artistic elements. During recent restoration work several metallic elements, which have been exposed for many years or even centuries to the inclemencies of the Toledo climate, were taken in order to analyse their composition and deterioration. The techniques used have been Scanning Electron Microscopy with X-Ray Microprobe (SEM/EDAX, X-Ray Photoelectron Spectroscopy (XPS and X-Ray Diffraction (XRD. The elements considered are a piece of roofing lead, a lead slate clamp, a piece of stained glass window leading, and an iron nail.

    La Catedral de Toledo se edificó en un período de más de 200 años, bajo numerosos criterios de construcción que se reflejan en la multiplicidad de estilos que alberga (entre mudéjar y gótico, con aportaciones flamencas, barrocas y renacentistas. A través de los siglos, ha sido objeto de numerosas restauraciones, también bajo distintos criterios. La catedral está ubicada en un ambiente poco agresivo, en cuanto a corrosión atmosférica se refiere. Sin embargo, el discurrir de tantos años no deja de hacer mella en los diversos elementos estructurales, arquitectónicos y artísticos que la componen. En recientes restauraciones se obtuvieron algunos elementos metálicos que han estado expuestos, por muchos años, siglos inclusive, a las inclemencias del clima toledano, con el propósito de analizar su composición y deterioro, empleando las técnicas de Microscopio

  12. ALICE electromagnetic calorimeter prototype test

    Energy Technology Data Exchange (ETDEWEB)

    Awes, Terry; /Oak Ridge

    2005-09-01

    This Memorandum of Understanding between the Test Beam collaborators and Fermilab is for the use of beam time at Fermilab during the Fall, 2005 Meson Test Beam Run. The experimenters plan to measure the energy, position, and time resolution of prototype modules of a large electromagnetic calorimeter proposed to be installed in the ALICE experiment at the LHC. The ALICE experiment is one of the three large approved LHC experiments, with ALICE placing special emphasis on the LHC heavy-ion program. The large electromagnetic calorimeter (EMCal) is a US initiative that is endorsed by the ALICE collaboration and is currently in the early stages of review by the Nuclear Physics Division of the DOE. The installation in the test beam at FNAL and test beam measurements will be carried out by the US members of the ALICE collaboration (ALICE-USA). The overall design of the ALICE EMCal is heavily influenced by its location within the ALICE L3 magnet. The EMCal is to be located inside the large room temperature magnet within a cylindrical integration volume approximately l12cm deep, by 5.6m in length, sandwiched between the ALICE TPC space frame and the L3 magnet coils. The chosen technology is a layered Pb-scintillator sampling calorimeter with a longitudinal pitch of 1.6mm Pb and 1.6mm scintillator. The full detector spans {eta} = -0.7 to {eta} = 0.7 with an azimuthal acceptance of {Delta}{phi} = 120{sup o}. The EMCal readout is of a ''Shish-Kabob'' type similar to the PHENIX Pb-scintillator sampling calorimeter in which the scintillation light is collected via wavelength shifting fibers running through the Pb-scintillator tiles perpendicular to the front surface. The detector is segmented into {approx}14000 towers. The basic structural units of the calorimeter are supermodules, each subtending approximately {approx}20{sup o} in {Delta}{phi} and 0.7 units in {Delta}{eta}. Supermodules are assembled from individual modules. The modules are further segmented

  13. Stele-menhir of Los Llanos (Castillo de Bayuela, Toledo

    Directory of Open Access Journals (Sweden)

    Alberto MORALEDA OLIVARES

    2015-06-01

    Full Text Available We present the finding, in the township of Castillo de Bayuela (Toledo of a granitic stone block with an antropomorphic figure engraved in it with schematic character. The piece lacks of an archaeological context, is difficult assigning it a precise chronology. Presumably it is a stele-menhir that we analyze it within the geographical area of the set in the Middle Tagus Basin and San Vicente Mountains.We suggest some interpretations and hypothesis about the posible dating and meaning while we are conscious that there are some constraints arising from the scant knowledge and rare documentation of that geographical zone. We can only with puntual findings and references wich can not allow definitive conclusions to be drawn on its chronology and function. However we believe the analysis of available data for this piece support the proposal for a partnership on the stele-menhirs and the funeral structures for the geografical area analyzed.

  14. Cristianismo e Islam: moriscos granadinos en tierras de Toledo.

    Directory of Open Access Journals (Sweden)

    Ramón Sánchez González

    2012-07-01

    Full Text Available El objetivo fundamental del presente artículo es analizar las relaciones entre moriscos granadinos y cristianos viejos en un espacio concreto, el reino de Toledo, dentro del marco más genérico de la Corona de Castilla. Para ello se han utilizado fuentes documentales muy variadas, algunas poco frecuentes, tales protocolos notariales, libros parroquiales o causas criminales. El resultado más significativo es que en esta zona la convivencia puede calificarse de pacífica, cordial, no exenta obviamente, de algunos conflictos, pero no originados por una condición de minoría social o étnica, y por último, en ningún caso, el argumento de grupo inasimilable utilizado para justificar su expulsión parece aplicable a la zona estudiada.

  15. ALICE Zero Degree Calorimeter (ZDC), General Pictures.

    CERN Multimedia

    2003-01-01

    The ZDC Calorimeter for spectator neutrons is made by 44 slabs of W-alloy; each slab has 44 grooves where quartz fibres are placed. The charged particles of the hadronic shower generated by the neutrons make Cerenkov light in the fibres and the light is collected by photomultipliers. Photos from 1 to 9 show the front-face of the calorimeter. Photo n. 10 shows the rear of the calorimeter where the fibres are divided in several groups to go to the different PMs.

  16. Tritium calorimeter setup and operation

    CERN Document Server

    Rodgers, D E

    2002-01-01

    The LBNL tritium calorimeter is a stable instrument capable of measuring tritium with a sensitivity of 25 Ci. Measurement times range from 8-hr to 7-days depending on the thermal conductivity and mass of the material being measured. The instrument allows accurate tritium measurements without requiring that the sample be opened and subsampled, thus reducing personnel exposure and radioactive waste generation. The sensitivity limit is primarily due to response shifts caused by temperature fluctuation in the water bath. The fluctuations are most likely a combination of insufficient insulation from ambient air and precision limitations in the temperature controller. The sensitivity could probably be reduced to below 5 Ci if the following improvements were made: (1) Extend the external insulation to cover the entire bath and increase the top insulation. (2) Improve the seal between the air space above the bath and the outside air to reduce evaporation. This will limit the response drift as the water level drops. (...

  17. The CASTOR calorimeter at the CMS experiment

    CERN Document Server

    Gunnellini, Paolo

    2013-01-01

    The CASTOR Calorimeter at the CMS experiment is an electromagnetic/hadronic calorimeter which covers the very forward region of the detector (-6.6 < eta < -5.2). CASTOR is a Cherenkov sampling calorimeter, consisting of quartz and tungsten plates, with an overall depth of 10 interaction lengths, able to detect penetrating cascade particles. It is segmented in 16 transversal and 14 longitudinal sections. Surrounding the beam pipe, its design is determined by space constraints and restricted to materials which tolerate a high radiation level. In this presentation we report on the operational experience and measurements with the CASTOR calorimeter during the 2010 data taking at the LHC, with proton-proton and heavy ion collisions. An overview of the broad physics program which can be accessed with CASTOR, as well as the status of published and ongoing physics analyses and detector studies are presented.

  18. The CASTOR calorimeter at the CMS experiment

    CERN Document Server

    Gunnellini, Paolo

    2013-01-01

    The CASTOR Calorimeter at the CMS experiment is an electromagnetic/hadronic calorimeter which covers the very forward region of the detector (-6.6 lt eta lt -5.2). CASTOR is a Cherenkov sampling calorimeter, consisting of quartz and tungsten plates, with an overall depth of 10 interaction lengths, able to detect penetrating cascade particles. It is segmented in 16 transversal and 14 longitudinal sections. Surrounding the beam pipe, its design is determined by space constraints and restricted to materials which tolerate a high radiation level. In this presentation we report on the operational experience and measurements with the CASTOR calorimeter during the 2010 data taking at the LHC, with proton-proton and heavy ion collisions. An overview of the broad physics program which can be accessed with CASTOR, as well as the status of published and ongoing physics analyses and detector studies are presented.

  19. Upgrading the ATLAS fast calorimeter simulation

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00032940; The ATLAS collaboration

    2016-01-01

    Many physics and performance studies with the ATLAS detector at the Large Hadron Collider require very large samples of simulated events, and producing these using the full GEANT4 detector simulation is highly CPU intensive. Often, a very detailed detector simulation is not needed, and in these cases fast simulation tools can be used to reduce the calorimeter simulation time. In ATLAS, a fast simulation of the calorimeter systems was developed, called Fast Calorimeter Simulation (FastCaloSim). It provides a parametrized simulation of the particle energy response at the calorimeter read-out cell level. It is interfaced to the standard ATLAS digitization and reconstruction software, and can be tuned to data more easily than with GEANT4. An improved parametrization is being developed, to eventually address shortcomings of the original version. It makes use of statistical techniques such as principal component analysis, and a neural network parametrization to optimise the amount of information to store in the ATL...

  20. Central electromagnetic calorimeter of UA1

    Energy Technology Data Exchange (ETDEWEB)

    Cochet, C.; DeBeer, M.; Fournier, J.P.; Givernaud, A.; Laugier, J.P.; Leveque, A.; Locci, E.; Loret, M.; Malosse, J.J.; Micolon, P.

    1986-02-01

    We describe the construction, calibration and performance of the central electromagnetic calorimeter of the UA1 experiment at the CERN proton-antiproton collider. The calorimeter is of the lead-scintillator sandwich type. It is 26.4 radiation lengths thick and covers a surface of about 50 m/sup 2/. We estimate the resolution of the calorimeter for electrons of energy greater than 1 GeV to be the sum in quadrature of 15%/..sqrt..E (E in GeV) and a constant 3%. The first term comes from the inherent resolution of the calorimeter due to sampling fluctuations and photostatistics. The second term comes from uncertainties in the calibration procedure and dominates the resolution for electrons from W and Z/sup 0/ decay. The uncertainty in the overall energy scale also reflects the uncertainties in the calibration procedure and is estimated to be 3%. (orig.).

  1. Performance of the ATLAS hadronic Tile calorimeter

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00304670; The ATLAS collaboration

    2016-01-01

    The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse energy. TileCal is a scintillator-steel sampling calorimeter and it covers the region of pseudorapidity < 1.7. The scintillation light produced in the scintillator tiles is transmitted to photomultiplier tubes (PMTs). Signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. Each stage of the signal production from scintillation light to the signal reconstruction is monitored and calibrated. Results on the calorimeter operation and performance are presented, including the calibration, stability, absolute energy scale, uniformity and time resolution. These results show that the TileCal performance is within the design requirements and has given essential contribution to reconstructed objects and physics results.

  2. Performance of the ATLAS Zero Degree Calorimeter

    CERN Document Server

    Leite, M; The ATLAS collaboration

    2013-01-01

    The ATLAS Zero Degree Calorimeter (ZDC) at the Large Hadron Collider (LHC) is a set of two sampling calorimeters modules symmetrically located at 140m from the ATLAS interaction point. The ZDC covers a pseudorapidity range of |eta| > 8.3 and it is both longitudinally and transversely segmented, thus providing energy and position information of the incident particles. The ZDC is installed between the two LHC beam pipes, in a configuration such that only the neutral particles produced at the interaction region can reach this calorimeter. The ZDC uses Tungsten plates as absorber material and rods made of quartz interspersed in the absorber as active media. The energetic charged particles crossing the quartz rods produces Cherenkov light which is then detected by photomultipliers and sent to the front end electronics for processing, in a total of 120 individual electronic channels. The Tungsten plates and quartz rods are arranged in a way to segment the calorimeters in 4 longitudinal sections. The first section (...

  3. The ATLAS Tile Calorimeter performance at LHC

    CERN Document Server

    Cuciuc, M; The ATLAS collaboration

    2012-01-01

    The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. Due to the very good muon signal to noise ratio it assists the spectrometer in the identification and reconstruction of muons. TileCal is built of steel and scintillating tiles coupled to optical fibers and read out by photomultipliers. The calorimeter is equipped with systems that allow to monitor and to calibrate each stage of the readout system exploiting different signal sources: laser light, charge injection and a radioactive source. The calorimeter performance and its stability has been evaluated with the rich sample of collision data in 2011 but also with calibration data, random triggered data, cosmic muons and splash events. Results on the absolute energy scale calibration precision, on the energy and timing uniformity, on the time resolution and on the synchronization precision are presented...

  4. The CMS central hadron calorimeter: Update

    Energy Technology Data Exchange (ETDEWEB)

    Freeman, J.

    1998-06-01

    The CMS central hadron calorimeter is a brass absorber/ scintillator sampling structure. We describe details of the mechanical and optical structure. We also discuss calibration techniques, and finally the anticipated construction schedule.

  5. The CMS forward calorimeter with quartz fibres

    CERN Multimedia

    Laurent Guiraud

    1999-01-01

    Part of the forward hadron calorimeter for the CMS experiment at the LHC is seen here. The calorimeter will be placed at the ends of the experiment barrel to measure the energy of particles produced in the 14 TeV proton-proton collisions. In consists of an iron absorber and specially designed radiation-hard quartz so that it survives the high radiation levels produced by collisions.

  6. Last Few Metres for the Barrel Calorimeter

    CERN Multimedia

    Nyman, T.

    On Friday 4th November, the ATLAS Barrel Calorimeter was moved from its assembly point at the side of the ATLAS cavern to the centre of the toroidal magnet system. The detector was finally aligned, to the precision of within a millimetre, on Wednesday 9th November. The ATLAS installation team, led by Tommi Nyman, after having positioned the Barrel Calorimeter in its final location in the ATLAS experimental cavern UX15. The Barrel Calorimeter which will absorb and measure the energy of photons, electrons and hadrons at the core of the ATLAS detector is 8.6 meters in diameter, 6.8 meters long, and weighs over 1600 Tonnes. It consists of two concentric cylindrical detector elements. The innermost comprises aluminium pressure vessels containing the liquid argon electromagnetic calorimeter and the solenoid magnet. The outermost is an assembly of 64 hadron tile calorimeter sectors. Assembled 18 meters away from its final position, the Barrel Calorimeter was relocated with the help of a railway, which allows ...

  7. ATLAS: last few metresfor the Calorimeter

    CERN Multimedia

    2005-01-01

    On Friday 4th November, the ATLAS Barrel Calorimeter was moved from its assembly point at the side of the ATLAS cavern to the centre of the toroidal magnet system. The detector was finally aligned, to the precision of within a millimetre, on Wednesday 9th November. The ATLAS installation team, led by Tommi Nyman, after having positioned the Barrel Calorimeter in its final location in the ATLAS experimental cavern UX15. The Barrel Calorimeter which will absorb and measure the energy of photons, electrons and hadrons at the core of the ATLAS detector is 8.6 meters in diameter, 6.8 meters long, and weighs over 1600 Tonnes. It consists of two concentric cylindrical detector elements. The innermost comprises aluminium pressure vessels containing the liquid argon electromagnetic calorimeter and the solenoid magnet. The outermost is an assembly of 64 hadron tile calorimeter sectors. Assembled 18 meters away from its final position, the Barrel Calorimeter was relocated with the help of a railway, which allows the ...

  8. Alcalde Mayor de Alzadas en el Ayuntamiento de Toledo

    Directory of Open Access Journals (Sweden)

    Ángel Santos Vaquero

    2003-01-01

    Full Text Available Los municipios del territorio peninsular cristiano, en un principio autónomos, irán viendo cómo sus magistraturas serán dominadas, a partir del siglo XIII, por las oligarquías aristocráticas y alta burguesía, que se reservarán dichos cargos y monopolizarán su gobierno. Posteriormente serán los monarcas los que tratarán de controlar estos cabildos, aprovechando cualquier coyuntura favorable para uniformarlos en su ordenamiento jurídico bajo el Derecho Romano, en detrimento de la competencia judicial de los alcaldes y de los fueros locales. Para ello crearán una serie de instituciones (corregidor, regidores, alcaldes de alzadas, merinos... sobre las que se arrogarán el derecho de nombramiento. Estos cargos de delegación regia recaerán en unas familias determinadas pertenecientes a la aita nobleza. Así, en Toledo, el título de Alcalde Mayor pertenecerá a los duques de Maqueda; el de Alcalde de pastores de la Mesta a los marqueses de Montemayor; el de Alguacil Mayor a los condes de Fuensalida y el de Alcalde Mayor de Alzadas a los condes de Cifuentes.The towns in Christian held territory on the Península were independent at first. After the thirteenth century their magistratures came to be dominated by oligarchies formed of aristocrats and the upper middie classes, who kept these positions for themselves and monopolised their control. Subsequently the monarchy tried to domínate these town counciis, taking advantage of any favourable circumstance to unify them under its control and Román Law. This reduced the legal powers of magistrates as well as those of local codes of law. To this end the monarchs created a series of institutional positions (chief magistrate, alderman, appellate judge, judges... and arrogated the right to name the holders of them. The members of certain aristocratic families were habitually named by the monarch to occupy these positions. Thus in Toledo the title of Chief Judge belonged to the Duke of Maqueda

  9. Dos escudos de madera policromada del Ayuntamiento de Toledo = Two Wooden Polychromated Coat of Arms from the Town Hall of Toledo

    Directory of Open Access Journals (Sweden)

    Antonio Perla de las Parras

    2016-05-01

    Full Text Available El presente estudio trata de aportar información de carácter histórico sobre dos escudos de madera policromada que se encontraban descontextualizados en las Casas Consistoriales de Toledo y que muy probablemente pertenecieron a la desaparecida armadura del Salón de Capítulos del piso alto. Tras las reformas llevadas a cabo en los últimos años, aparecieron en alguna de las dependencias municipales, siendo recogidos en el Archivo Municipal de Toledo, organismo que se hizo cargo de su restauración. Una vez concluida ésta, han vuelto a ser colgados en el Ayuntamiento, en un nuevo emplazamiento.The current research tries to render information regarding the historical characteristics about two coat of arms made of polychromated wood, which were found out of his original location in the Town Hall of Toledo. It is probable that they belonged to the lost framework of the Assembly Hall in the high floor, although it is not an affirmation which pretends to be conclusive nor it is the main purpose of this article. After the repairings made during the past years, these coat of arms were found in the Town Hall premises, and were then stored by the Archivo Municipal de Toledo, organisation that has been in charge of its restoration. Once the restoration was completed, they were hanged again at the City Hall in a new emplacement. 

  10. Collaboration in Local Economic Development: The Case of Toledo

    Directory of Open Access Journals (Sweden)

    Neil Reid

    2012-01-01

    Full Text Available Many American communities place a high priority on retaining and attracting innovative industries. However, in most American metropolitan areas, the responsibility for local economic development is fragmented along jurisdictional and institutional lines. The result of this fragmentation is that local economic development is often chaotic with no one individual, agency, or jurisdiction in control, which may inhibit the effectiveness of local economic development efforts. To address these challenges and more effectively utilize resources, there has been greater emphasis recently on regional collaboration in local economic development. The purpose of this paper is to measure the extent of collaboration among local economic development professionals in the Toledo, Ohio Metropolitan Statistical Area and to identify the extent to which these interactions constitute a social network. We believe that the existence of a strong social network among economic development professionals is critical to overcome some of the negative effects of jurisdictional and institutional fragmentation. While there is a core network of relatively dense collaboration in northwest Ohio, that network does not span the entire metropolitan area. A high level of local interactions occurs, but there are few “global pipelines” outside the region. A potential challenge for economic development in the region is to avoid “lock in”, which will make it more difficult to attract innovative industries or diversify the economy in order to decrease the traditional dependence on the auto industry.

  11. El coste humano de la desamortización: los religiosos exclaustrados en la provincia de Toledo (1835-1838).

    OpenAIRE

    Vizuete Mendoza, J. Carlos

    2007-01-01

    Evaluación del número de los regulares exclaustrados en la provincia de Toledo analizando la documentación de la Real Junta Eclesiástica y de la Contaduría de Rentas y Arbitrios de Amortización de la Provincia de Toledo.

  12. Commissioning of the ATLAS Liquid Argon Calorimeter

    CERN Document Server

    Gibson, A; The ATLAS collaboration

    2009-01-01

    The Liquid Argon calorimeter (LAr) is one of the main sub-detectors in the ATLAS experiment at the LHC. It provides precision measurements of electrons, photons, jets and missing transverse energy produced in the LHC pp collisions. The LAr calorimeter has been installed in the ATLAS cavern and filled with liquid argon since 2006. The electronic calibration of the readout system, a critical system for precision measurements, has been continuously exercised in the commissioning phase, resulting in a fully commissioned calorimeter with its readout and a small number of problematic channels. A total of only 0.02% of the read out channels are dead beyond repair and 0.4% need special treatment for calibration. Throughout the last two years a large amount of calibration data has been collected. Cosmic muon data, first triggered via specially developed trigger boards on the LVL1 output of the Tile calorimeter and later with the standard ATLAS LVL1 calorimeter trigger, have been recorded at various stages of commissio...

  13. LHCb Calorimeter modules arrive at CERN

    CERN Multimedia

    2002-01-01

    Two of the three components of the LHCb Calorimeter system have started to arrive from Russia. Members of the LHCb Calorimeter group with the ECAL and HCAL modules that have just arrived at CERN. The first two of the 56 Hadron Calorimeter (HCAL) modules and 1200 of the 3300 modules of the Electromagnetic Calorimeter (ECAL) have reached CERN from Russia. The third part of the system, the Preshower detector, is still being prepared in Russia. The calorimeter system identifies and triggers on high-energy particles, namely electrons, hadrons and photons by measuring their positions and energies. The HCAL is going to be a pure trigger device. The ECAL will also be used in the triggering, but in addition it will reconstruct neutral pions and photons from B meson decays. One of the major aims of the LHCb experiment is to study CP violation through B meson decays including Bs mesons with high statistics in different decay modes. CP violation (violation of charge and parity) is necessary to explain why the Universe...

  14. Performance of the ATLAS hadronic Tile calorimeter

    CERN Document Server

    Bartos, Pavol; The ATLAS collaboration

    2016-01-01

    Performance of the ATLAS hadronic Tile calorimeter The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse energy. TileCal is a scintillator-steel sampling calorimeter and it covers the region of pseudorapidity < 1.7. The scintillation light produced in the scintillator tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The analog signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. The TileCal frontend electronics reads out the signals produced by about 10000 channels measuring energies ranging from ~30 MeV to ~2 TeV. Each stage of the signal production from scintillation light to the signal reconstruction is monitored and calibrated. The performance of the calorimeter have been studied in-situ employing cosmic ray muons and a large sample of proton-proton collisions acquired during the operations o...

  15. ATLAS - End-Cap calorimeter lowered in to the cavern

    CERN Multimedia

    2006-01-01

    The End-cap calorimeter was lowered into the ATLAS cavern at POINT1. This calorimeter will measure the energy of particles close to the beam axis when protons collide. Cooling is important for maximum detector efficiency.

  16. Performance of the CMS Regional Calorimeter Trigger

    CERN Document Server

    Klabbers, P; Dasu, S; Efron, J; Fobes, R; Gorski, T; Grogg, K; Grothe, M; Lazaridis, C; Leonard, J; Savin, A; Smith, W H; Weinberg, M

    2009-01-01

    The CMS Regional Calorimeter Trigger (RCT) receives eight-bit energies and a data quality bit from the HCAL and ECAL Trigger Primitive Generators (TPGs). The RCT uses these trigger primitives to find e/γ candidates and calculate regional calorimeter sums that are sent to the Global Calorimeter Trigger (GCT) for sorting and further processing. The RCT hardware consists of one clock distribution crate and 18 double-sided crates containing custom boards, ASICs, and backplanes. The RCT electronics have been completely installed since 2007. The RCT has been integrated into the CMS Level-1 Trigger chain. Regular runs, triggering on cosmic rays, prepare the CMS detector for the restart of the LHC. During this running, the RCT control is handled centrally by CMS Run Control and Monitor System communicating with the Trigger Supervisor. Online Data Quality Monitoring (DQM) evaluates the performance of the RCT during these runs. Offline DQM allows more detailed studies, including trigger efficiencies. These and other r...

  17. Temperature Effects in the ATIC BGO Calorimeter

    Science.gov (United States)

    Isbert, J.; Wefel, J. P.; Atic Team

    The Advanced Thin Ionization Calorimeter ATIC Balloon Experiment contains a segmented calorimeter composed of 320 individual BGO crystals 18 radiation lengths deep to determine the particle energy Like all inorganic scintillation crystals the light output of BGO depends not only on the energy deposited by particles but also on the temperature of the crystal ATIC had successful flights in 2000 2001 and 2002 2003 from McMurdo Antarctica The temperature of balloon instruments varies during their flights at altitude due to sun angle variations and differences in albedo from the ground and is monitored and recorded In order to determine the temperature sensitivity of the ATIC calorimeter the instrument was temperature cycled in the thermal vacuum chamber at the CSBF in Palestine TX The temperature dependence derived from the pulse height response to cosmic ray muons at various temperatures is discussed and compared to values in the literature

  18. Laser calibration of the ATLAS Tile Calorimeter

    CERN Document Server

    Di Gregorio, Giulia; The ATLAS collaboration

    2017-01-01

    High performance stability of the ATLAS Tile calorimeter is achieved with a set of calibration procedures. One step of the calibrtion procedure is based on measurements of the response stability to laser excitation of the photomultipliers (PMTs) that are used to readout the calorimeter cells. A facility to study in lab the PMT stability response is operating in the PISA-INFN laboratories since 2015. Goals of the test in lab are to study the time evolution of the PMT response to reproduce and to understand the origin of the resonse drifts seen with the PMT mounted on the Tile calorimeter in its normal operation during LHC run I and run II. A new statistical approach was developed to measure the drift of the absolute gain. This approach was applied to both the ATLAS laser calibration data and to the data collected in the Pisa local laboratory. The preliminary results from these two studies are shown.

  19. ATLAS Tile calorimeter calibration and monitoring systems

    CERN Document Server

    Boumediene, Djamel Eddine; The ATLAS collaboration

    2017-01-01

    The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by the passage of charged particles is transmitted by wavelength shifting fibres to photomultiplier tubes (PMTs). PMT signals are then digitized at 40 MHz and stored on detector and are only transferred off detector once the first level trigger acceptance has been confirmed. The readout is segmented into about 5000 cells (longitudinally and transversally), each of them being read out by two PMTs in parallel. To calibrate and monitor the stability and performance of each part of the readout chain, a set of calibration systems is used. The TileCal calibration system comprises Cesium radioactive sources, laser, charge injection elements and an integrator b...

  20. Laser Calibration of the ATLAS Tile Calorimeter

    CERN Document Server

    Di Gregorio, Giulia; The ATLAS collaboration

    2017-01-01

    High performance stability of the ATLAS Tile Calorimeter is achieved with a set of calibration procedures. One step of the calibration procedure is based on measurements of the response stability to laser excitation of the PMTs that are used to readout the calorimeter cells. A facility to study in lab the PMT stability response is operating in the PISA-INFN laboratories since 2015. Goals of the tests in lab are to study the time evolution of the PMT response to reproduce and to understand the origin of the response drifts seen with the PMT mounted on the Tile calorimeter in its normal operating during LHC run I and run II. A new statistical approach was developed to measure drift of the absolute gain. This approach was applied to both the ATLAS laser calibration data and to data collected in the Pisa local laboratory. The preliminary results from these two studies are shown.

  1. Results from ATLAS Calorimeter Combined Test Beam

    CERN Document Server

    Tarrade, F

    2007-01-01

    Beam tests of combinations of ATLAS calorimeters have been performed both for the barrel and end cap parts. During a combined test beam in summer 2004 a slice of the ATLAS barrel detector - including all detector sub systems from the inner tracker, the calorimetry to the muon system - was exposed to particle beams (electrons, pions, photons, muons) with different energies (1GeV to 350GeV). The aim was to study the combined performance of the different detector sub systems in ATLAS-like conditions. We will present the electronics calibration scheme of the electromagnetic calorimeter and its implementation. The following studies on the combined testbeam data have been performed and will be presented: performance of the electromagnetic calorimetry down to very low energies (> GeV), photon reconstruction including converted photons and position measurements using the very precise ATLAS tracker and the electromagnetic calorimeter. These measurements have been compared to Monte Carlo simulations showing the good de...

  2. Performances of the AMS-02 electromagnetic calorimeter

    CERN Document Server

    Cervelli, F; Lomtadze, T A; Venanzoni, G; Falchini, E; Maestro, P; Marrocchesi, P S; Paoletti, R; Pilo, F; Turini, N; Valle, G D; Coignet, G; Girard, L; Goy, C; Kossakowski, R; Lees-Rosier, S; Vialle, J P; Chen, G; Chen, H; Liu, Z; Lu, Y; Yu, Z; Zhuang, H L

    2002-01-01

    A full-scale prototype of the e.m. calorimeter for the AMS-02 experiment was tested at CERN in October 2001 using 100 GeV pion and electron beams with energy ranging from 3 to 100 GeV. The detector, a lead-scintillating fiber sampling calorimeter about 17 radiation lengths deep, is read out by an array of multianode photomultipliers. The calorimeter's high granularity allows to image the longitudinal and lateral showers development, a key issue to provide high electron /hadron discrimination. From the test beam data, linearity and energy resolution were measured as well as the effective sampling thickness. The latter was extracted from the data by fitting the longitudinal e.m. shower profiles at different energies. (9 refs).

  3. Hollow micro string based calorimeter device

    DEFF Research Database (Denmark)

    2014-01-01

    The present invention relates to a micron-scale calorimeter and a calorimetry method utilizing the micron-scale calorimeter. In accordance with the invention, there is provided a micron-scale calorimeter comprising a micro-channel string, being restrained at at least two longitudinally distanced...... positions so as to form a free released double clamped string in-between said two longitudinally distanced positions said micro-channel string comprising a microfluidic channel having a closed cross section and extending in the longitudinal direction of the hollow string, acoustical means adapted...... to oscillate the string at different frequencies by emitting sound waves towards the string, optical means adapted to detect oscillating frequencies of the string, and controlling means controlling the strength and frequency of the sound wave emitted by the acoustical means and receiving a signal from...

  4. Calibration Systems of the ATLAS Tile Calorimeter

    CERN Document Server

    Lundberg, O

    2013-01-01

    TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. This sampling calorimeter uses iron plates as absorber and plastic scintillating tiles as the active material. A multi-faceted calibration system allows to monitor and equalize the calorimeter response at each stage of the signal production, from scintillation light to digitization. This calibration system is based on signal generation from different sources: a Cs radioactive source, laser light, charge injection and minimum bias events produced in proton-proton collisions. A brief description of the different TileCal calibration systems is given and the latest results on their performance in terms of calibration factors, linearity and stability are presented.

  5. Calibration systems of the ATLAS Tile Calorimeter

    CERN Document Server

    Lundberg, O; The ATLAS collaboration

    2012-01-01

    TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. This sampling calorimeter uses iron plates as absorber and plastic scintillating tiles as the active material. Scintillation light produced in the tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The resulting electronic signals from the over 10000 PMTs are measured and digitized before being transferred to off-detector data-acquisition systems. A multi-faceted calibration system allows to monitor and equalize the calorimeter response at each stage of the signal production, from scintillation light to digitization. This calibration system is based on signal generation from different sources: a Cs radioactive source, laser light, charge injection and minimum bias events produced in proton-proton collisions. This talk presents a brief description of the different TileCal calibration systems and presents the latest results on their performance in terms of calibration factors...

  6. Potential physics measurement with ALICE electromagnetic calorimeters

    Energy Technology Data Exchange (ETDEWEB)

    Zhou, D.C., E-mail: dczhou@mail.ccnu.edu.c [Institute of Particle Physics, Huazhong Normal University, Key Laboratory of Quark and Lepton Physics, Ministry of Education, Wuhan (China); Mao, Y.X.; Wan, R.Z. [Institute of Particle Physics, Huazhong Normal University, Key Laboratory of Quark and Lepton Physics, Ministry of Education, Wuhan (China); Schutz, Y. [CERN, Geneva CH-1211, Switzerland and SUBATECH, IN2P3, Nantes (France); Yin, Z.-B.; Wang, Y.P.; Ma, K. [Institute of Particle Physics, Huazhong Normal University, Key Laboratory of Quark and Lepton Physics, Ministry of Education, Wuhan (China); Conesa, G. [Laboratori Nazionale Di Frascati, INFN, Via Enrico Fermi, 40, P.O box 13, I-00044 Frascati (Italy); Kharlov, Y. [Institute for High Energy Physics, Protvino, 142281 (Russian Federation); Wang, M.L.; Zhu, X.R.; Yin, X.; Cai, X. [Institute of Particle Physics, Huazhong Normal University, Key Laboratory of Quark and Lepton Physics, Ministry of Education, Wuhan (China)

    2010-03-01

    We present the two electromagnetic calorimeters of the ALICE (A Large Ion Collider Experiment) experiment at LHC (Large Hadron Collider). One is the high-resolution PHOton Spectrometer (PHOS) made of lead tungsten crystals and the other is the ElectroMagnetic Calorimeter (EMCal), a Lead-Scintillator sampling calorimeter. They are dedicated to the measurement and identification of direct photons, light neutral mesons such as pi{sup 0}, eta and omega(782), and jets emitted in proton-proton and heavy-ion collisions at the LHC energies. The PHOS is capable of precisely detecting photons with momentum range between 0.1 GeV/c and 100 GeV/c and the EMCal can extend the prompt photon and light neutral meson momentum measurement beyond 200 GeV/c. The objective of the study is to explore the physics of strongly interacting QCD matter under extreme conditions of energy density.

  7. Readiness of the ATLAS liquid argon calorimeter for LHC collisions

    NARCIS (Netherlands)

    Aad, G.; et al., [Unknown; Bentvelsen, S.; Colijn, A.P.; de Jong, P.; Doxiadis, A.; Garitaonandia, H.; Gosselink, M.; Kayl, M.S.; Koffeman, E.; Lee, H.; Mechnich, J.; Mussche, I.; Ottersbach, J.P.; Rijpstra, M.; Ruckstuhl, N.; Tsiakiris, M.; van der Kraaij, E.; van der Poel, E.; van Kesteren, Z.; van Vulpen, I.; Vermeulen, J.C.; Vreeswijk, M.

    2010-01-01

    The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an

  8. Una pintura atribuible a Antonio de Pereda en Villaseca de la Sagra (Toledo

    Directory of Open Access Journals (Sweden)

    Díaz Fernández, Antonio José

    2014-06-01

    Full Text Available This study presents the painting The Virgin Appearing to Saint Bernard, located in the church of Ntra. Sra. de los Peligros in the town of Villaseca de la Sagra (Toledo, documented in 1650, the style of which comes close to that of the Madrid Baroque artist Antonio de Pereda.Aquí se da a conocer una pintura de La aparición de la Virgen a San Bernardo, de la iglesia de Ntra. Sra. de los Peligros de Villaseca de la Sagra (Toledo, documentada en 1650 y cuyo estilo la aproxima a obras del pintor barroco Antonio de Pereda.

  9. Physics with the CMS forward CASTOR calorimeter

    CERN Document Server

    Katkov, Igor

    2011-01-01

    The design of the calorimeter is determined by space constraints inside a shield for radiation and for magnetic field and restricted to materials which tolerate a high radiation level. The calorimeter surrounds the beam pipe as a very compact sampling structure of tungsten and quartz plates with a depth of 10 hadronic interaction lengths. The granularity of 16 transversal segments and 14 longitudinal sections allows to reconstruct shower profiles, to separate electron sand photons from hadrons and to search for phenomena with anomalous hadronic energy depositions as expected from exotica. Performance as measured in test beams, first operation experience and first measurements in the very forward region of CMS will be presented.

  10. Rad Hard Active Media For Calorimeters

    CERN Document Server

    Norbeck, E; Möller, A; Onel, Y

    2006-01-01

    Zero-degree calorimeters have limited space and extreme levels of radiation. A simple, low cost, radiation hard design uses tungstenmetal as the absorber and a suitable liquid as the ˇCerenkov radiator. In other applications a PPAC (Parallel Plate Avalanche Counter) operatingwith a suitable atmosphericpressure gas is an attractive active material for a calorimeter. It can be made radiation hard and has sufficient gain in the gas that no electronic components are needed near the detector. It works well even with the highest concentration of shower particles. For this pressure range, R134A (used in auto air conditioners) has many desirable features.

  11. Sensors for the CMS High Granularity Calorimeter

    CERN Document Server

    Maier, Andreas Alexander

    2017-01-01

    The CMS experiment is currently developing high granularity calorimeter endcapsfor its HL-LHC upgrade. The design foresees silicon sensors as the active material for the high radiation region close to the beampipe. Regions of lower radiation are additionally equipped with plastic scintillator tiles. This technology is similar to the calorimeter prototypes developed in the framework of the Linear Collider by the CALICE collaboration. The current status of the silicon sensor development is presented. Results of single diode measurements are shown as well as tests of full 6-inch hexagonal sensor wafers. A short summary of test beam results concludes the article.

  12. Comparison of the Heat Release Rate from the Mass Loss Calorimeter to the Cone Calorimeter for Wood-based Materials

    Science.gov (United States)

    Laura E. Hasburgh; Robert H. White; Mark A. Dietenberger; Charles R. Boardman

    2015-01-01

    There is a growing demand for material properties to be used as inputs in fi re behavior models designed to address building fire safety. This comparative study evaluates using the mass loss calorimeter as an alternative to the cone calorimeter for obtaining heat release rates of wood-based materials. For this study, a modified mass loss calorimeter utilized an...

  13. The new ATLAS Fast Calorimeter Simulation

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00223142; The ATLAS collaboration

    2016-01-01

    Many physics and performance studies with the ATLAS detector at the Large Hadron Collider require very large samples of simulated events, and producing these using the full GEANT4 detector simulation is highly CPU intensive. Often, a very detailed detector simulation is not needed, and in these cases fast simulation tools can be used to reduce the calorimeter simulation time by a few orders of magnitude. The new ATLAS Fast Calorimeter Simulation (FastCaloSim) is an improved parametrisation compared to the one used in the LHC Run-1. It provides a simulation of the particle energy response at the calorimeter read-out cell level, taking into account the detailed particle shower shapes and the correlations between the energy depositions in the various calorimeter layers. It is interfaced to the standard ATLAS digitization and reconstruction software, and can be tuned to data more easily than with GEANT4. The new FastCaloSim incorporates developments in geometry and physics lists of the last five years and benefit...

  14. CALICE silicon–tungsten electromagnetic calorimeter

    Indian Academy of Sciences (India)

    2015-11-27

    Nov 27, 2015 ... Abstract. A highly granular electromagnetic calorimeter prototype based on tungsten absorber and sampling units equipped with silicon pads as sensitive devices for signal collection is under construction. The full prototype will have in total 30 layers and be read out by about 10000 Si cells of 1 × 1 cm2.

  15. The new ATLAS Fast Calorimeter Simulation

    CERN Document Server

    Dias, Flavia; The ATLAS collaboration

    2016-01-01

    A very large number of simulated events is required for physics and performance studies with the ATLAS detector at the Large Hadron Collider. Producing these with the full GEANT4 detector simulation is highly CPU intensive. As a very detailed detector simulation is not always required, fast simulation tools have been developed to reduce the calorimeter simulation time by a few orders of magnitude. The fast simulation of ATLAS for the calorimeter systems used in Run 1, called Fast Calorimeter Simulation (FastCaloSim), provides a parameterized simulation of the particle energy response at the calorimeter read-out cell level. It is then interfaced to the ATLAS digitization and reconstruction software. In Run 1, about 13 billion events were simulated in ATLAS, out of which 50% were produced using fast simulation. For Run 2, a new parameterisation is being developed to improve the original version: It incorporates developments in geometry and physics lists of the last five years and benefits from knowledge acquire...

  16. The ATLAS Tile Calorimeter gets into shape!

    CERN Multimedia

    2002-01-01

    The last of the 64 modules for one of the ATLAS Hadron tile calorimeter barrels has just arrived at CERN. This arrival puts an end to two and a half years work assembling and testing all the modules in the Institut de Física d'Altes Energies (IFAE), in Barcelona.

  17. The new ATLAS Fast Calorimeter Simulation

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00176100; The ATLAS collaboration

    2016-01-01

    The physics and performance studies of the ATLAS detector at the Large Hadron Collider re- quire a large number of simulated events. A GEANT4 based detailed simulation of the ATLAS calorimeter systems is highly CPU intensive and such resolution is often unnecessary. To reduce the calorimeter simulation time by a few orders of magnitude, fast simulation tools have been developed. The Fast Calorimeter Simulation (FastCaloSim) provides a parameterised simulation of the particle energy response at the calorimeter read-out cell level. In Run 1, about 13 billion events were simulated in ATLAS, out of which 50% were produced using fast simulation. For Run 2, a new parameterisation is being developed to improve the original version: it incorporates developments in geometry and physics lists during the last five years and benefits from the knowledge acquired from the Run 1 data. The algorithm uses machine learning techniques to improve the parameterisations and to optimise the amount of information to be stored in the...

  18. Performance of the ATLAS hadronic Tile calorimeter

    CERN Document Server

    Mlynarikova, Michaela; The ATLAS collaboration

    2017-01-01

    The ATLAS Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for reconstruction of hadrons, jets, tau-particles and missing transverse energy. TileCal is a scintillator-steel sampling calorimeter and it covers the region of pseudorapidity < 1.7. The scintillation light produced in the scintillator tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The analog signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. The TileCal frontend electronics reads out the signals produced by about 10000 channels measuring energies ranging from ~30 MeV to ~2 TeV. Each stage of the signal production from scintillation light to the signal reconstruction is monitored and calibrated. The performance of the calorimeter has been studied in-situ employing cosmic ray muons and a large sample of proton-proton collisions acquired during the operations of the LHC. Prompt isolated muons of high momentum fro...

  19. Performance of the ATLAS hadronic Tile calorimeter

    CERN Document Server

    Mlynarikova, Michaela; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for reconstruction of hadrons, jets, tau-particles and missing transverse energy. TileCal is a scintillator-steel sampling calorimeter and it covers the region of pseudorapidity < 1.7. The scintillation light produced in the scintillator tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The analog signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. The TileCal frontend electronics reads out the signals produced by about 10000 channels measuring energies ranging from ~30 MeV to ~2 TeV. Each stage of the signal production from scintillation light to the signal reconstruction is monitored and calibrated. The performance of the calorimeter has been studied in-situ employing cosmic ray muons and a large sample of proton-proton collisions acquired during the operations of the LHC. Prompt isolated muons of high momentum from elec...

  20. Upgrading the ATLAS Fast Calorimeter Simulation

    CERN Document Server

    Hubacek, Zdenek; The ATLAS collaboration

    2016-01-01

    Many physics and performance studies with the ATLAS detector at the Large Hadron Collider require very large samples of simulated events, and producing these using the full GEANT4 detector simulation is highly CPU intensive. Often, a very detailed detector simulation is not needed, and in these cases fast simulation tools can be used to reduce the calorimeter simulation time by a few orders of magnitude. In ATLAS, a fast simulation of the calorimeter systems was developed, called Fast Calorimeter Simulation (FastCaloSim). It provides a parametrized simulation of the particle energy response at the calorimeter read-out cell level. It is interfaced to the standard ATLAS digitization and reconstruction software, and can be tuned to data more easily than with GEANT4. The original version of FastCaloSim has been very important in the LHC Run-1, with several billion events simulated. An improved parametrisation is being developed, to eventually address shortcomings of the original version. It incorporates developme...

  1. Performance of the ATLAS Tile Calorimeter

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00383643; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) is the central scintillator-steel sampling hadronic calorimeter of the ATLAS experiment at the LHC. Jointly with other calorimeters it is designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse energy. The scintillation light produced in the scintillator tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The analog signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. The TileCal frontend electronics reads out the signals produced by about 10000 channels measuring energies ranging from ~30 MeV to ~2 TeV. Each stage of the signal production from scintillation light to the signal reconstruction is monitored and calibrated. The performance of the calorimeter has been established with cosmic ray muons and the large sample of the proton-proton collisions. The response of high momentum isolated muons is used to study the energy response at the electromagnetic scale, isolated hadr...

  2. CALICE silicon–tungsten electromagnetic calorimeter

    Indian Academy of Sciences (India)

    paradigm', to be successful optimal interplay between hardware, i.e. granularity, and software, i.e. reconstruction algorithms is required. CALICE plans include studies of both electromagnetic and hadronic calorime- ter prototypes. The electromagnetic prototype is a sampling calorimeter with W absorber and Si pads as ...

  3. ATLAS: First rehearsal for the tile calorimeter

    CERN Multimedia

    2003-01-01

    The dry run assembly of the first barrel of the ATLAS tile hadron calorimeter has been successfully completed. It is now being dismantled again so that it can be lowered into the ATLAS cavern where it will be reassembled in October 2004.

  4. An Analysis of Retention Programs for Female Students in Engineering at the University of Toledo

    Science.gov (United States)

    Franchetti, Matthew

    2012-01-01

    This paper summarizes the findings of a five-year study aimed at improving the retention rates of female students pursuing careers in engineering. The study analyzed a series of programs implemented at the University of Toledo. The programs involve hands-on design projects, research experiences, communication tools geared towards females,…

  5. Nicaraguan feminist Josefa Toledo de Aguerri (1866-1962: Her life and her legacy.

    Directory of Open Access Journals (Sweden)

    Victoria González-Rivera

    2011-08-01

    Full Text Available Este ensayo analiza el legado de Josefa Toledo de Aguerri (1866-1962, educadora y feminista nicaragüense. El análisis se enfoca en sus escritos sobre el feminismo, la eugenesia, y la sexualidad.

  6. Art of Local Radiance: The Teacher's Guide to the Toledo Museum of Art Glass Pavilion

    Science.gov (United States)

    Erler, Carolyn

    2013-01-01

    "Exploring the Glass City: The Teacher's Guide to the Glass Pavilion", published in 2008 to celebrate the opening of the Toledo Museum of Art's Glass Pavilion, exemplifies the museum's multidisciplinary approach to public art museum education. This research narrative about the teacher's guide unfolds in three levels. The first,…

  7. 76 FR 27284 - Special Local Regulation; Partnership in Education, Dragon Boat Race; Maumee River, Toledo, OH

    Science.gov (United States)

    2011-05-11

    ..., Dragon Boat Race; Maumee River, Toledo, OH AGENCY: Coast Guard, DHS. ACTION: Notice of proposed... during the Dragon Boat Races which take place during the third or fourth weekend in July each year. This... from other vessel traffic. The Captain of the Port Detroit has determined dragon boat races in close...

  8. Collecting Information for the Identification of Various Ethnic Groups in Toledo, Ohio.

    Science.gov (United States)

    Chakrabarti, Ajit Kumar

    A study of the ethnic composition of Toledo, Ohio, was conducted which consisted of four elements: (1) a statement of the importance of studying the ethnic composition of a community; (2) a summary of the sources of literature that is germane to such a study; (3) a summary of the problems encountered in the data collection process; and (4) an…

  9. 77 FR 71697 - Safety Zone; Overhead Cable Replacement, Maumee River, Toledo, OH

    Science.gov (United States)

    2012-12-04

    ... Kevin Biami, Marine Safety Unit Toledo, Coast Guard; telephone (419) 418-6008, email [email protected] propellers if the power lines are dropped onto the Maumee River during the operation. C. Discussion of Rule... in 33 CFR Part 165 Harbors, Marine safety, Navigation (water), Reporting and recordkeeping...

  10. La caza mayor y le economía rural en la provincia de Toledo

    Directory of Open Access Journals (Sweden)

    Martín Fernández, Ángel Julián

    2004-06-01

    Full Text Available Leisure or business? Is it the hunt a really profitable activity? If it is like that, who are the biggest beneficiaries? How it has influenced in the most disadvantaged rural zones? Here there are some of the questions about economic and social reality of hunting, and its answers are tried to be approached in this work, for a confirmed hunting tradition zone as «Los Montes de Toledo», in the province of the same name, where are placed the most of the best major hunting areas in the Toledo province. The Mounts of Toledo, due to its excellent natural resources for the hunting and to the crisis of the agrarian traditional utilizations, constitute an area where the major hunt is the most adapted use to contribute to the biological balance with a rational management.

    [es] ¿Ocio o negocio?, ¿es la caza una actividad verdaderamente rentable? Si es así, ¿quiénes son los mayores beneficiarios?, ¿cómo repercute en las zonas rurales más desfavorecidas? Estas son algunas de las cuestiones que la caza, como realidad económica y social, plantea, y cuyas respuestas se pretende abordar en este trabajo desarrollado en una zona de contrastada tradición cinegética como es la comarca de los Montes de Toledo en la provincia del mismo nombre, como lo demuestra el hecho de que la mayor parte de los cotos de caza mayor de la provincia de Toledo, se hallen en esta comarca. Los Montes de Toledo debido a sus excelentes recursos naturales para la caza y a la crisis de los aprovechamientos agrarios tradicionales, constituyen un espacio en el que la práctica de la caza mayor, es el uso más adecuado para contribuir a la conservación del equilibrio biológico, siempre que este aprovechamiento se realice racionalmente. [fr] Loisir ou affaire? Est-ce que la chasse est une activité vraiment rentable? Le cas échéant, qui sont leur principaux bénéficiaires?, quelles sont leur conséquences dans les espaces ruraux les plus défavorisés? Ce sont

  11. Mineralogia y sedimentologia del yacimiento de saponita de Yuncos (Toledo

    Directory of Open Access Journals (Sweden)

    Casas Sainz de Aja, J.

    1992-04-01

    Full Text Available Mineralogy and textures of saponite-bearing bentonites and related facies have been studied in quarries located southwest of Yuncos village (Toledo in the Madrid Neogene Basin. Results allow us to establish three stages related with the evolution of sedimentary environments, where bentonite deposits (middle stage are at the boundary between lacustrine (lower stage and distal alluvial facies (upper stage. Lower stage: Regressive mud flat deposits with paleopedogenic features, made up of green clays facies with variable detrital content and hydromorphic mottling at topo Clay mineralogy association: Smectite (tri-dioctahedral-illite-(kaolinite. Middle stage: Transitional stage of shallow flooding with variable development of paleopedogenic features. The facies association is made up of saponitic brown clays with several textures (massive, fissile-Iaminated, brecciated and occasional carbonates as calcite ooids or dolomite nodules. Clay mineralogy association: Smectite (trioctahedral-illite-sepiolite-( kaolinite . Upper stage: Progradation of distal alluvial fan deposits. The facies association is made up by reddish to brownish mudstones often with bioturbation features and hydromorphic mottling, with sporadic sandy inserts. Clay mineralogy association: Smectite (tri-dioctahedral- illite-sepiolite-(kaolinite-chlorite. Illite, dioctahedral smectite, kaolinite and chlorite are interpreted as inherited clay minerals, whilst saponite and sepiolite are of authigenic origino Saponite origin is early diagenetic both by dioctahedral smectite transformation and neoformation, being an inhomogeneous genetic process so that the purest bentonite is located far away from distal alluvial progradation where the flooding is longer in time. From a genetic point of view, sepiolite is later than trioctahedral smectite sometimes being in short fibers on saponite sheets, at others in longer fibers as a cement, both cases related to salinity-alkalinity changes in the

  12. X-Ray Calorimeter Arrays for Astrophysics

    Science.gov (United States)

    Kilbourne, Caroline A.

    2009-01-01

    High-resolution x-ray spectroscopy is a powerful tool for studying the evolving universe. The grating spectrometers on the XMM and Chandra satellites started a new era in x-ray astronomy, but there remains a need for instrumentation that can provide higher spectral resolution with high throughput in the Fe-K band (around 6 keV) and can enable imaging spectroscopy of extended sources, such as supernova remnants and galaxy clusters. The instrumentation needed is a broad-band imaging spectrometer - basically an x-ray camera that can distinguish tens of thousands of x-ray colors. The potential benefits to astrophysics of using a low-temperature calorimeter to determine the energy of an incident x-ray photon via measurement of a small change in temperature was first articulated by S. H. Moseley over two decades ago. In the time since, technological progress has been steady, though full realization in an orbiting x-ray telescope is still awaited. A low-temperature calorimeter can be characterized by the type of thermometer it uses, and three types presently dominate the field. The first two types are temperature-sensitive resistors - semiconductors in the metal-insulator transition and superconductors operated in the superconducting-normal transition. The third type uses a paramagnetic thermometer. These types can be considered the three generations of x-ray calorimeters; by now each has demonstrated a resolving power of 2000 at 6 keV, but only a semiconductor calorimeter system has been developed to spaceflight readiness. The Soft X-ray Spectrometer on Astro-H, expected to launch in 2013, will use an array of silicon thermistors with I-IgTe x-ray absorbers that will operate at 50 mK. Both the semiconductor and superconductor calorimeters have been implemented in small arrays, kilo-pixel arrays of the superconducting calorimeters are just now being produced, and it is anticipated that much larger arrays will require the non-dissipative advantage of magnetic thermometers.

  13. El arquitecto madrileño Pedro de la Torre en Toledo y un retablo inédito localizado

    Directory of Open Access Journals (Sweden)

    Antonio José Díaz Fernández

    2014-02-01

    Full Text Available Entre las realizaciones del arquitecto barroco Pedro de la Torre para la ciudad de Toledo es posible identificar un retablo hasta ahora inédito, datado en 1653 y en el que colabora el ensamblador toledano Juan García de San Pedro, localizado hoy en la parroquia de Nambroca (Toledo, en el que se aprecian las innovaciones estructurales y ornamentales propias del lenguaje desarrollado por el artista.Among the works of the baroque architect Pedro de la Torre for the city of Toledo is possible to identify an up to now unpublished altarpiece in which collaborates the toledan assembler Juan García de San Pedro. Dated in 1653 and at present located in the parish of Nambroca (Toledo, in which we can appreciate the typical structural and ornamental innovations of the language developed by the artist.

  14. Fiber and Crystals Dual Readout calorimeters

    CERN Document Server

    Cascella, Michele; Lee, Sehwook

    2016-01-01

    The RD52 (DREAM) collaboration is performing R\\&D on dual readout calorimetry techniques with the aim of improving hadronic energy resolution for future high energy physics experiments. The simultaneous detection of Cherenkov and scintillation light enables us to measure the electromagnetic fraction of hadron shower event-by-event. As a result, we could eliminate the main fluctuation which prevented from achieving precision energy measurement for hadrons. We have tested the performance of the lead and copper fiber prototypes calorimeters with various energies of electromagnetic particles and hadrons. During the beam test, we investigated the energy resolutions for electrons and pions as well as the identification of those particles in a longitudinally unsegmented calorimeter. Measurements were also performed on pure and doped PbWO$_{4}$ crystals, as well as BGO and BSO, with the aim of realising a crystal based dual readout detector. We will describe our results, focusing on the more promising properties ...

  15. Muon Detection Based on a Hadronic Calorimeter

    CERN Document Server

    Ciodaro, T; Abreu, R; Achenbach, R; Adragna, P; Aharrouche, M; Aielli, G; Al-Shabibi, A; Aleksandrov, I; Alexandrov, E; Aloisio, A; Alviggi, M G; Amorim, A; Amram, N; Andrei, V; Anduaga, X; Angelaszek, D; Anjos, N; Annovi, A; Antonelli, S; Anulli, F; Apolle, R; Aracena, I; Ask, S; Åsman, B; Avolio, G; Baak, M; Backes, M; Backlund, S; Badescu, E; Baines, J; Ballestrero, S; Banerjee, S; Bansil, H S; Barnett, B M; Bartoldus, R; Bartsch, V; Batraneanu, S; Battaglia, A; Bauss, B; Beauchemin, P; Beck, H P; Bee, C; Begel, M; Behera, P K; Bell, P; Bell, W H; Bellagamba, L; Bellomo, M; Ben Ami, S; Bendel, M; Benhammou, Y; Benslama, K; Berge, D; Bernius, C; Berry, T; Bianco, M; Biglietti, M; Blair, R E; Bogaerts, A; Bohm, C; Boisvert, V; Bold, T; Bondioli, M; Borer, C; Boscherini, D; Bosman, M; Bossini, E; Boveia, A; Bracinik, J; Brandt, A G; Brawn, I P; Brelier, B; Brenner, R; Bressler, S; Brock, R; Brooks, W K; Brown, G; Brunet, S; Bruni, A; Bruni, G; Bucci, F; Buda, S; Burckhart-Chromek, D; Buscher, V; Buttinger, W; Calvet, S; Camarri, P; Campanelli, M; Canale, V; Canelli, F; Capasso, L; Caprini, M; Caracinha, D; Caramarcu, C; Cardarelli, R; Carlino, G; Casadei, D; Casado, M P; Cattani, G; Cerri, A; Cerrito, L; Chapleau, B; Childers, J T; Chiodini, G; Christidi, I; Ciapetti, G; Cimino, D; Ciobotaru, M; Coccaro, A; Cogan, J; Collins, N J; Conde Muino, P; Conidi, C; Conventi, F; Corradi, M; Corso-Radu, A; Coura Torres, R; Cranmer, K; Crescioli, F; Crone, G; Crupi, R; Cuenca Almenar, C; Cummings, J T; Curtis, C J; Czyczula, Z; Dam, M; Damazio, D; Dao, V; Darlea, G L; Davis, A O; De Asmundis, R; De Pedis, D; De Santo, A; de Seixas, J M; Degenhardt, J; Della Pietra, M; Della Volpe, D; Demers, S; Demirkoz, B; Di Ciaccio, A; Di Mattia, A; Di Nardo, R; Di Simone, A; Diaz, M A; Dietzsch, T A; Dionisi, C; Dobson, E; Dobson, M; dos Anjos, A; Dotti, A; Dova, M T; Drake, G; Dufour, M-A; Dumitru, I; Eckweiler, S; Ehrenfeld, W; Eifert, T; Eisenhandler, E; Ellis, K V; Ellis, N; Emeliyanov, D; Enoque Ferreira de Lima, D; Ermoline, Y; Ernst, J; Etzion, E; Falciano, S; Farrington, S; Farthouat, P; Faulkner , P J W; Fedorko, W; Fellmann, D; Feng, E; Ferrag, S; Ferrari, R; Ferrer, M L; Fiorini, L; Fischer, G; Flowerdew, M J; Fonseca Martin, T; Francis, D; Fratina, S; French, S T; Front, D; Fukunaga, C; Gadomski, S; Garelli, N; Garitaonandia Elejabarrieta, H; Gaudio, G; Gee, C N P; George, S; Giagu, S; Giannetti, P; Gillman, A R; Giorgi, M; Giunta, M; Giusti, P; Goebel, M; Gonçalo, R; Gonzalez Silva, L; Göringer, C; Gorini, B; Gorini, E; Grabowska-Bold, I; Green, B; Groll, M; Guida, A; Guler, H; Haas, S; Hadavand, H; Hadley, D R; Haller, J; Hamilton, A; Hanke, P; Hansen, J R; Hasegawa, S; Hasegawa, Y; Hauser, R; Hayakawa, T; Hayden, D; Head, S; Heim, S; Hellman, S; Henke, M; Hershenhorn, A; Hidvégi, A; Hillert, S; Hillier, S J; Hirayama, S; Hod, N; Hoffmann, D; Hong, T M; Hryn'ova, T; Huston, J; Iacobucci, G; Igonkina, O; Ikeno, M; Ilchenko, Y; Ishikawa, A; Ishino, M; Iwasaki, H; Izzo, V; Jez, P; Jimenez Otero, S; Johansen, M; Johns, K; Jones, G; Joos, M; Kadlecik, P; Kajomovitz, E; Kanaya, N; Kanega, F; Kanno, T; Kapliy, A; Kaushik, V; Kawagoe, K; Kawamoto, T; Kazarov, A; Kehoe, R; Kessoku, K; Khomich, A; Khoriauli, G; Kieft, G; Kirk, J; Klemetti, M; Klofver, P; Klous, S; Kluge, E-E; Kobayashi, T; Koeneke, K; Koletsou, I; Koll, J D; Kolos, S; Kono, T; Konoplich, R; Konstantinidis, N; Korcyl, K; Kordas, K; Kotov, V; Kowalewski, R V; Krasznahorkay, A; Kraus, J; Kreisel, A; Kubota, T; Kugel, A; Kunkle, J; Kurashige, H; Kuze, M; Kwee, R; Laforge, B; Landon, M; Lane, J; Lankford, A J; Laranjeira Lima, S M; Larner, A; Leahu, L; Lehmann Miotto, G; Lei, X; Lellouch, D; Levinson, L; Li, S; Liberti, B; Lilley, J N; Linnemann, J T; Lipeles, E; Lohse, T; Losada, M; Lowe, A; Luci, C; Luminari, L; Lundberg, J; Lupu, N; Machado Miguéns, J; Mackeprang, R; Maettig, S; Magnoni, L; Maiani, C; Maltrana, D; Mangeard, P-S; Männer, R; Mapelli, L; Marchese, F; Marino, C; Martin, B; Martin, B T; Martin, T; Martyniuk, A; Marzano, F; Masik, J; Mastrandrea, P; Matsushita, T; McCarn, A; Mechnich, J; Medinnis, M; Meier, K; Melachrinos, C; Mendoza Nava, L M; Merola, L; Messina, A; Meyer, C P; Middleton, R P; Mikenberg, G; Mills, C M; Mincer, A; Mineev, M; Misiejuk, A; Moa, T; Moenig, K; Monk, J; Monticelli, F; Mora Herrera, C; Morettini, P; Morris, J D; Müller, F; Munwes, Y; Murillo Garcia, R; Nagano, K; Nagasaka, Y; Navarro, G A; Negri, A; Nelson, S; Nemethy, P; Neubauer, M S; Neusiedl, A; Newman, P; Nisati, A; Nomoto, H; Nozaki, M; Nozicka, M; Nurse, E; Ochando, C; Ochi, A; Oda, S; Oh, A; Ohm, C; Okumura, Y; Olivito, D; Omachi, C; Osculati, B; Oshita, H; Ospanov, R; Owen, M A; Özcan, V E; Ozone, K; Padilla, C; Panes, B; Panikashvili, N; Paramonov, A; Parodi, F; Pasqualucci, E; Pastore, F; Patricelli, S; Pauly, T; Perera, V J O; Perez, E; Petcu, M; Petersen, B A; Petersen, J; Petrolo, E; Phan, A; Piegaia, R; Pilkington, A; Pinder, A; Poddar, S; Polini, A; Pope, B G; Potter, C T; Primavera, M; Prokoshin, F; Ptacek, E; Qian, W; Quinonez, F; Rajagopalan, S; Ramos Dos Santos Neves, R; Reinherz-Aronis, E; Reinsch, A; Renkel, P; Rescigno, M; Rieke, S; Riu, I; Robertson, S H; Robinson, M; Rodriguez, D; Roich, A; Romeo, G; Romero, R; Roos, L; Ruiz Martinez, A; Ryabov, Y; Ryan, P; Saavedra, A; Safai Tehrani, F; Sakamoto, H; Salamanna, G; Salamon, A; Saland, J; Salnikov, A; Salvatore, F; Sankey, D P C; Santamarina, C; Santonico, R; Sarkisyan-Grinbaum, E; Sasaki, O; Savu, D; Scannicchio, D A; Schäfer, U; Scharf, V L; Scheirich, D; Schiavi, C; Schlereth, J; Schmitt, K; Schroder, C; Schroer, N; Schultz-Coulon, H-C; Schwienhorst, R; Sekhniaidze, G; Sfyrla, A; Shamim, M; Sherman, D; Shimojima, M; Shochet, M; Shooltz, D; Sidoti, A; Silbert, O; Silverstein, S; Sinev, N; Siragusa, G; Sivoklokov, S; Sjoen, R; Sjölin, J; Slagle, K; Sloper, J E; Smith, B C; Soffer, A; Soloviev, I; Spagnolo, S; Spiwoks, R; Staley, R J; Stamen, R; Stancu, S; Steinberg, P; Stelzer, J; Stockton, M C; Straessner, A; Strauss, E A; Strom, D; Su, D; Sugaya, Y; Sugimoto, T; Sushkov, S; Sutton, M R; Suzuki, Y; Taffard, A; Taiblum, N; Takahashi, Y; Takeda, H; Takeshita, T; Tamsett, M; Tan, C L A; Tanaka, S; Tapprogge, S; Tarem, S; Tarem, Z; Taylor, C; Teixeira-Dias, P; Thomas, J P; Thompson, P D; Thomson, M A; Tokushuku, K; Tollefson, K; Tomoto, M; Topfel, C; Torrence, E; Touchard, F; Traynor, D; Tremblet, L; Tricoli, A; Tripiana, M; Triplett, N; True, P; Tsiakiris, M; Tsuno, S; Tuggle, J; Ünel, G; Urquijo, P; Urrejola, P; Usai, G; Vachon, B; Vallecorsa, S; Valsan, L; Vandelli, W; Vari, R; Vaz Gil Lopes, L; Veneziano, S; Ventura, A; Venturi, N; Vercesi, V; Vermeulen, J C; Volpi, G; Vorwerk, V; Wagner, P; Wang, M; Warburton, A; Watkins, P M; Watson, A T; Watson, M; Weber, P; Weidberg, A R; Wengler, T; Werner, P; Werth, M; Wessels, M; White, M; Whiteson, D; Wickens, F J; Wiedenmann, W; Wielers, M; Winklmeier, F; Woods, K S; Wu, S-L; Wu, X; Xaplanteris Karampatsos, L; Xella, S; Yakovlev, A; Yamazaki, Y; Yang, U; Yasu, Y; Yuan, L; Zaitsev, A; Zanello, L; Zhang, H; Zhang, J; Zhao, L; Zobernig, H; zur Nedden, M

    2010-01-01

    The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. The information from TileCal's last segmentation layer can assist in muon tagging and it is being considered for a near future upgrade of the level-one trigger, mainly for rejecting triggers due to cavern background at the barrel region. A muon receiver for the TileCal muon signals is being designed in order to interface with the ATLAS level-one trigger. This paper addresses the preliminary studies concerning the muon discrimination capability for the muon receiver. Monte Carlo simulations for single muons from the interaction point were used to study the effectiveness of hadronic calorimeter information on muon detection.

  16. Improving calorimeter resolution using temperature compensation calculations

    Science.gov (United States)

    Smiga, Joseph; Purschke, Martin

    2017-01-01

    The sPHENIX experiment is an upgrade of the existing PHENIX apparatus at the Relativistic Heavy-Ion Collider (RHIC). The new detector improves upon measurements of various physical processes, such as jets of particles created during heavy-ion collisions. Prototypes of various calorimeter components were tested at the Fermilab Test Beam Facility (FTBF). This analysis tries to compensate the effects of temperature drifts in the silicon photomultipliers (SiPMs). Temperature data were used to calculate an appropriate compensation factor. This analysis will improve the achievable resolution and will also determine how accurately the temperature must be controlled in the final experiment. This will improve the performance of the calorimeters in the sPHENIX experiment. This project was supported in part by the U.S. Department of Energy, Office of Science, Office of Workforce Development for Teachers and Scientists (WDTS) under the Science Undergraduate Laboratory Internships Program (SULI).

  17. The ATLAS Electromagnetic Calorimeter Calibration Workshop

    CERN Multimedia

    Hong Ma; Isabelle Wingerter

    The ATLAS Electromagnetic Calorimeter Calibration Workshop took place at LAPP-Annecy from the 1st to the 3rd of October; 45 people attended the workshop. A detailed program was setup before the workshop. The agenda was organised around very focused presentations where questions were raised to allow arguments to be exchanged and answers to be proposed. The main topics were: Electronics calibration Handling of problematic channels Cluster level corrections for electrons and photons Absolute energy scale Streams for calibration samples Calibration constants processing Learning from commissioning Forty-five people attended the workshop. The workshop was on the whole lively and fruitful. Based on years of experience with test beam analysis and Monte Carlo simulation, and the recent operation of the detector in the commissioning, the methods to calibrate the electromagnetic calorimeter are well known. Some of the procedures are being exercised in the commisssioning, which have demonstrated the c...

  18. Upgrade of the ATLAS Tile Calorimeter Electronics

    CERN Document Server

    Carrio, F; The ATLAS collaboration

    2014-01-01

    This presentation summarizes the status of the on-detector and off-detector electronics developments for the Phase II Upgrade of the ATLAS Tile Calorimeter at the LHC scheduled around 2024. A demonstrator prototype for a slice of the calorimeter including most of the new electronics is planned to be installed in ATLAS in middle 2014 during the Long Shutdown. For the on-detector readout, three different front-end boards (FEB) alternatives are being studied: a new version of the 3-in-1 card, the QIE chip and a dedicated ASIC called FATALIC. The MainBoard will provide communication and control to the FEBs and the DaughterBoard will transmit the digitized data to the off-detector electronics in the counting room, where the sROD will perform processing tasks on them.

  19. Upgrading the ATLAS Tile Calorimeter Electronics

    CERN Document Server

    Carrio, F

    2013-01-01

    This work summarizes the status of the on-detector and off-detector electronics developments for the Phase II Upgrade of the ATLAS Tile Calorimeter at the LHC scheduled around 2022. A demonstrator prototype for a slice of the calorimeter including most of the new electronics is planned to be installed in ATLAS in middle 2014 during the Long Shutdown. For the on-detector readout, three different front-end boards (FEB) alternatives are being studied: a new version of the 3-in-1 card, the QIE chip and a dedicated ASIC called FATALIC. The MainBoard will provide communication and control to the FEBs and the DaughterBoard will transmit the digitized data to the off-detector electronics in the counting room, where the sROD will perform processing tasks on them.

  20. LHCb: Upgrade of the LHCb calorimeter electronics

    CERN Multimedia

    Mauricio Ferre, J

    2013-01-01

    The LHCb collaboration foresees a major upgrade of the detector for the high luminosity run that should take place after 2018. Apart from the increase of the instantaneous luminosity at the interaction point of the experiment, one of the major ingredients of this upgrade is a full readout at 40MHz of the sub-detectors and the acquisition of the data by a large farm of PC. The trigger will be done by this farm and should increase the overall trigger efficiency with respect to the current detector, especially in hadronic B meson decays. A general overview of the modifications foreseen to the calorimeter system and the integration of the electromagnetic and hadronic calorimeters in this new scheme will be described.

  1. ATLAS liquid argon calorimeter back end electronics

    CERN Document Server

    Bán, J; Bellachia, F; Blondel, A; Böttcher, S; Clark, A; Colas, Jacques; Díaz-Gómez, M; Dinkespiler, B; Efthymiopoulos, I; Escalier, M; Fayard, Lo; Gara, A; He, Y; Henry-Coüannier, F; Hubaut, F; Ionescu, G; Karev, A; Kurchaninov, L; Lafaye, R; Laforge, B; La Marra, D; Laplace, S; Le Dortz, O; Léger, A; Liu, T; Martin, D; Matricon, P; Moneta, L; Monnier, E; Oberlack, H; Parsons, J A; Pernecker, S; Perrot, G; Poggioli, L; Prast, J; Przysiezniak, H; Repetti, B; Rosselet, L; Riu, I; Schwemling, P; Simion, S; Sippach, W; Strässner, A; Stroynowski, R; Tisserant, S; Unal, G; Wilkens, H; Wingerter-Seez, I; Xiang, A; Yang, J; Ye, J

    2007-01-01

    The Liquid Argon calorimeters play a central role in the ATLAS (A Toroidal LHC Apparatus) experiment. The environment at the Large Hadron Collider (LHC) imposes strong constraints on the detectors readout systems. In order to achieve very high precision measurements, the detector signals are processed at various stages before reaching the Data Acquisition system (DAQ). Signals from the calorimeter cells are received by on-detector Front End Boards (FEB), which sample the incoming pulse every 25ns and digitize it at a trigger rate of up to 75~kHz. Off-detector Read Out Driver (ROD) boards further process the data and send reconstructed quantities to the DAQ while also monitoring the data quality. In this paper, the ATLAS Liquid Argon electronics chain is described first, followed by a detailed description of the off-detector readout system. Finally, the tests performed on the system are summarized.

  2. Upgrading the ATLAS Tile Calorimeter Electronics

    Directory of Open Access Journals (Sweden)

    Carrió Fernando

    2013-11-01

    Full Text Available This work summarizes the status of the on-detector and off-detector electronics developments for the Phase 2 Upgrade of the ATLAS Tile Calorimeter at the LHC scheduled around 2022. A demonstrator prototype for a slice of the calorimeter including most of the new electronics is planned to be installed in ATLAS in the middle of 2014 during the first Long Shutdown. For the on-detector readout, three different front-end boards (FEB alternatives are being studied: a new version of the 3-in-1 card, the QIE chip and a dedicated ASIC called FATALIC. The Main Board will provide communication and control to the FEBs and the Daughter Board will transmit the digitized data to the off-detector electronics in the counting room, where the super Read-Out Driver (sROD will perform processing tasks on them and will be the interface to the trigger levels 0, 1 and 2.

  3. Instrumented module of the ATLAS tile calorimeter

    CERN Multimedia

    Laurent Guiraud

    1998-01-01

    The ATLAS tile calorimeter consists of steel absorber plates interspersed with plastic scintillator tiles. Interactions of high-energy hadrons in the plates transform the incident energy into a 'hadronic shower'. When shower particles traverse the scintillating tiles, the latter emit an amount of light proportional to the incident energy. This light is transmitted along readout fibres to a photomultiplier, where a detectable electrical signal is produced. These pictures show one of 64 modules or 'wedges' of the barrel part of the tile calorimeter, which are arranged to form a cylinder around the beam axis. The wedge has been instrumented with scintillators and readout fibres. Photos 03, 06: Checking the routing of the readout fibres into the girder that houses the photomultipliers. Photo 04: A view of the fibre bundles inside the girder.

  4. Prototype calorimeters for the NA3 experiment

    CERN Multimedia

    1975-01-01

    The NA3 Experiment was set-up on the North Area of the SPS by the CERN/ Ecole Polytechnique/College de France/ Orsay/Saclay Collaboration, to study high transverse momentum leptons and hadrons from hadron collisions. The calorimeters measured the energy of hadrons (prototype on the right) and leptons (prototype on the left). They used a new type of plastic scintillator (plexipop). (see CERN Courier of November 1975) energy (prototype on the right)

  5. Design, Construction and Commissioning of the Digital Hadron Calorimeter - DHCAL

    CERN Document Server

    Adams, C; Bilki, B.; Butler, J.; Corriveau, F.; Cundiff, T.; Drake, G.; Francis, K.; Furst, B.; Guarino, V.; Haberichter, B.; Hazen, E.; Hoff, J.; Holm, S.; Kreps, A.; DeLurgio, P.; Matijas, Z.; Monte, L.Dal; Mucia, N.; Norbeck, E.; Northacker, D.; Onel, Y.; Pollack, B.; Repond, J.; Schlereth, J.; Skrzecz, F.; Smith, J.R.; Trojand, D.; Underwood, D.; Velasco, M.; Walendziak, J.; Wood, K.; Wu, S.; Xia, L.; Zhang, Q.; Zhao, A.

    2016-01-01

    A novel hadron calorimeter is being developed for future lepton colliding beam detectors. The calorimeter is optimized for the application of Particle Flow Algorithms (PFAs) to the measurement of hadronic jets and features a very finely segmented readout with 1 x 1 cm2 cells. The active media of the calorimeter are Resistive Plate Chambers (RPCs) with a digital, i.e. one-bit, readout. To first order the energy of incident particles in this calorimeter is reconstructed as being proportional to the number of pads with a signal over a given threshold. A large-scale prototype calorimeter with approximately 500,000 readout channels has been built and underwent extensive testing in the Fermilab and CERN test beams. This paper reports on the design, construction, and commissioning of this prototype calorimeter.

  6. Run 1 Performance of the ATLAS Tile Calorimeter

    CERN Document Server

    Heelan, Louise; The ATLAS collaboration

    2014-01-01

    The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. It is a key detector for the measurement of hadrons, jets, tau leptons and missing transverse energy. It is also useful for identification and reconstruction of muons due to good signal to noise ratio. The calorimeter consists of thin steel plates and 460,000 scintillating tiles configured into 5000 cells, each viewed by two photomultipliers. The calorimeter response and its readout electronics is monitored to better than 1% using radioactive source, laser and charge injection systems. The calibration and performance of the calorimeter have been established through test beam measurements, cosmic ray muons and the large sample of proton-proton collisions acquired in 2011 and 2012. Results on the calorimeter performance are presented, including the absolute energy scale, timing, noise and associated stabilities. The results demonstrate that the Tile Calorimeter has performed well within the design ...

  7. The new ATLAS Fast Calorimeter Simulation

    CERN Document Server

    Hasib, Ahmed; The ATLAS collaboration

    2017-01-01

    Producing the very large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of reducing CPU requirements when detailed detector simulations are not needed. During the LHC Run-1, a fast calorimeter simulation (FastCaloSim) was successfully used in ATLAS. FastCaloSim provides a simulation of the particle energy response at the calorimeter read-out cell level, taking into account the detailed particle shower shapes and the correlations between the energy depositions in the various calorimeter layers. It is interfaced to the standard ATLAS digitization and reconstruction software, and it can be tuned to data more easily than GEANT4. Now an improved version of FastCaloSim is in development, incorporating the experience with the version used during Run-1. The new FastCaloSim makes use of statistical techniques such as principal component analysis, and a neural n...

  8. Precision timing calorimeter for high energy physics

    Energy Technology Data Exchange (ETDEWEB)

    Anderson, Dustin; Apresyan, Artur [California Institute of Technology, Pasadena, CA 91125 (United States); Bornheim, Adolf, E-mail: bornheim@hep.caltech.edu [California Institute of Technology, Pasadena, CA 91125 (United States); Duarte, Javier; Peña, Cristián; Spiropulu, Maria; Trevor, Jason; Xie, Si [California Institute of Technology, Pasadena, CA 91125 (United States); Ronzhin, Anatoly [Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510-5011 (United States)

    2016-07-11

    Scintillator based calorimeter technology is studied with the aim to achieve particle detection with a time resolution on the order of a few 10 ps for photons and electrons at energies of a few GeV and above. We present results from a prototype of a 1.4×1.4×11.4 cm{sup 3} sampling calorimeter cell consisting of tungsten absorber plates and Cerium-doped Lutetium Yttrium Orthosilicate (LYSO) crystal scintillator plates. The LYSO plates are read out with wave lengths shifting fibers which are optically coupled to fast photo detectors on both ends of the fibers. The measurements with electrons were performed at the Fermilab Test Beam Facility (FTBF) and the CERN SPS H2 test beam. In addition to the baseline setup plastic scintillation counter and a MCP-PMT were used as trigger and as a reference for a time of flight measurement (TOF). We also present measurements with a fast laser to further characterize the response of the prototype and the photo sensors. All data were recorded using a DRS4 fast sampling digitizer. These measurements are part of an R&D program whose aim is to demonstrate the feasibility of building a large scale electromagnetic calorimeter with a time resolution on the order of 10 ps, to be used in high energy physics experiments.

  9. Precision timing calorimeter for high energy physics

    Science.gov (United States)

    Anderson, Dustin; Apresyan, Artur; Bornheim, Adolf; Duarte, Javier; Peña, Cristián; Spiropulu, Maria; Trevor, Jason; Xie, Si; Ronzhin, Anatoly

    2016-07-01

    Scintillator based calorimeter technology is studied with the aim to achieve particle detection with a time resolution on the order of a few 10 ps for photons and electrons at energies of a few GeV and above. We present results from a prototype of a 1.4×1.4×11.4 cm3 sampling calorimeter cell consisting of tungsten absorber plates and Cerium-doped Lutetium Yttrium Orthosilicate (LYSO) crystal scintillator plates. The LYSO plates are read out with wave lengths shifting fibers which are optically coupled to fast photo detectors on both ends of the fibers. The measurements with electrons were performed at the Fermilab Test Beam Facility (FTBF) and the CERN SPS H2 test beam. In addition to the baseline setup plastic scintillation counter and a MCP-PMT were used as trigger and as a reference for a time of flight measurement (TOF). We also present measurements with a fast laser to further characterize the response of the prototype and the photo sensors. All data were recorded using a DRS4 fast sampling digitizer. These measurements are part of an R&D program whose aim is to demonstrate the feasibility of building a large scale electromagnetic calorimeter with a time resolution on the order of 10 ps, to be used in high energy physics experiments.

  10. Upgrade of the ATLAS Tile Calorimeter

    CERN Document Server

    Reed, Robert; The ATLAS collaboration

    2014-01-01

    The Tile Calorimeter (TileCal) is the main hadronic calorimeter covering the central region of the ATLAS experiment at LHC. TileCal readout consists of about 10000 channels. The bulk of its upgrade will occur for the High Luminosity LHC operation (Phase 2 around 2023) where the peak luminosity will increase 5x compared to the design luminosity (10^{34} cm^{-2}s^{-1}) but with maintained energy (i.e. 7+7 TeV). The TileCal upgrade aims to replace the majority of the on- and off-detector electronics so that all calorimeter signals can be digitized and directly sent to the off-detector electronics in the counting room. This will reduce pile-up problems and allow more complex trigger algorithms. To achieve the required reliability, redundancy has been introduced at different levels. Three different options are presently being investigated for the front-end electronic upgrade. Extensive test beam studies will determine which option will be selected. 10 Gbps optical links are used to read out all digitized data to t...

  11. The Zeus calorimeter first level trigger

    Energy Technology Data Exchange (ETDEWEB)

    Smith, W.J. [Univ. of Wisconsin, Madison, WI (United States)

    1989-04-01

    The design of the Zeus Detector Calorimeter Level Trigger is presented. The Zeus detector is being built for operation at HERA, a new storage ring that will provide collisions between 820 GeV protons and 30 GeV electrons in 1990. The calorimeter is made of depleted uranium plates and plastic scintillator read out by wavelength shifter bars into 12,864 photomultiplier tubes. These signals are combined into 974 trigger towers with separate electromagnetic and hadronic sums. The calorimeter first level trigger is pipelined with a decision provided 5 {mu}sec after each beam crossing, occurring every 96 nsec. The trigger determines the total energy, the total transverse energy, the missing energy, and the energy and number of isolated electrons and muons. It also provides information on the number and energy of clusters. The trigger rate needs to be held to 1 kHz against a rate of proton-beam gas interactions of approximately 500 kHz. The summed trigger tower pulseheights are digitized by flash ADC`s. The digital values are linearized, stored and used for sums and pattern tests.

  12. The New ATLAS Fast Calorimeter Simulation

    CERN Document Server

    Heath, Matthew Peter; The ATLAS collaboration

    2017-01-01

    Producing the large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of reducing the CPU requirements when detailed detector simulations are not needed. During Run-1 of the LHC, a fast calorimeter simulation (FastCaloSim) was successfully used in ATLAS. FastCaloSim provides a simulation of the particle energy response at the calorimeter read-out cell level, taking into account the detailed particle shower shapes and the correlations between the energy depositions in the various calorimeter layers. It is interfaced to the standard ATLAS digitisation and reconstruction software, and it can be tuned to data more easily than Geant4. Now an improved version of FastCaloSim is in development, incorporating the experience with the version used during Run-1. The new FastCaloSim aims to overcome some limitations of the first version by improving the description of...

  13. Upgrading the ATLAS Tile Calorimeter electronics

    CERN Document Server

    Souza, J; The ATLAS collaboration

    2014-01-01

    The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at LHC. The TileCal readout consists of about 10000 channels. Its main upgrade will occur for the High Luminosity LHC phase (phase 2) where the peak luminosity will increase 5-fold compared to the design luminosity (10exp34 cm−2s−1) but with maintained energy (i.e. 7+7 TeV). An additional increase of the average luminosity with a factor of 2 can be achieved by luminosity leveling. This upgrade will probably happen around 2023. The upgrade aims at replacing the majority of the on- and off-detector electronics so that all calorimeter signals are directly digitized and sent to the off-detector electronics in the counting room. To achieve the required reliability, redundancy has been introduced at different levels. The smallest independent on-detector electronics module has been reduced from 45 channels to 6, greatly reducing the consequences of a failure in the on-detector electronics. The size of t...

  14. First Half Of CMS Hadron Calorimeter Completed

    CERN Multimedia

    2001-01-01

    CMS HCAL electronics coordinator John Elias from Fermilab inspecting the assembled first half of the calorimeter. The first half barrel of the CMS hadron calorimeter was completed last month and assembly work on the elements of the second half commenced just last week. This is not a simple task considering the fact that the constructed half-barrel consists of eighteen 30 tonne segments each made with 0.15 mm tolerance. But through the work of everyone on the CMS hadron calorimeter team it is all moving forward. In the LHC, detection of particles produced in collisions of two proton beams requires measurement of their energy. To do this, the particle energy has to be changed into a form that can be easily measured. This is achieved by stopping the initial particles in a dense medium, where they create a shower of secondary particles. While particles that interact through electromagnetic forces (electrons and positrons) create relatively small showers, the size of showers created by hadrons, particles that i...

  15. Upgrading the ATLAS Tile Calorimeter electronics

    CERN Document Server

    Carrio, F; The ATLAS collaboration

    2013-01-01

    The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. The TileCal readout consists of about 10000 channels. Its main upgrade will occur for the High Luminosity LHC phase (phase 2) where the luminosity will have increased 5-fold compared to the design luminosity (1034 cm−2s−1) but with maintained energy (i.e. 7+7 TeV). An additional luminosity increase by a factor of 2 can be achieved by luminosity leveling. This upgrade will probably happen around 2022. The upgrade aims at replacing the majority of the on- and off- detector electronics so that all calorimeter signals are directly digitized and sent to the off-detector electronics in the counting room. To achieve the required reliability, redundancy has been introduced at different levels. An ambitious upgrade development program is pursued studying different electronics options. Three different options are presently being investigated for the front-end electronic upgrade. Which one to u...

  16. Fast Shower Simulation in the ATLAS Calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Barberio, E.; /Melbourne U.; Boudreau, J.; /Pittsburgh U.; Butler, B.; /SLAC; Cheung, S.L.; /Toronto U.; Dell' Acqua, A.; /CERN; Di Simone, A.; /CERN; Ehrenfeld, W.; /Hamburg U. /DESY; Gallas, M.V.; /CERN; Glazov, A.; /DESY; Marshall, Z.; /Caltech /Nevis Labs, Columbia U.; Mueller, J.; /Pittsburgh U.; Placakyte, R.; /DESY; Rimoldi, A.; /Pavia U. /INFN, Pavia; Savard, P.; /Toronto U.; Tsulaia, V.; /Pittsburgh U.; Waugh, A.; /Sydney U.; Young, C.C.; /SLAC

    2011-11-08

    The time to simulate pp collisions in the ATLAS detector is largely dominated by the showering of electromagnetic particles in the heavy parts of the detector, especially the electromagnetic barrel and endcap calorimeters. Two procedures have been developed to accelerate the processing time of electromagnetic particles in these regions: (1) a fast shower parameterisation and (2) a frozen shower library. Both work by generating the response of the calorimeter to electrons and positrons with Geant 4, and then reintroduce the response into the simulation at runtime. In the fast shower parameterisation technique, a parameterization is tuned to single electrons and used later by simulation. In the frozen shower technique, actual showers from low-energy particles are used in the simulation. Full Geant 4 simulation is used to develop showers down to {approx} 1 GeV, at which point the shower is terminated by substituting a frozen shower. Judicious use of both techniques over the entire electromagnetic portion of the ATLAS calorimeter produces an important improvement of CPU time. We discuss the algorithms and their performance in this paper.

  17. sPHENIX Calorimeter Design and Jet Performance

    Science.gov (United States)

    Haggerty, John S.

    2016-12-01

    The PHENIX collaboration is planning a detector upgrade, sPHENIX, which consists of large acceptance calorimetry and tracking detectors built around the superconducting solenoid recently shipped to Brookhaven from the decommissioned BaBar experiment at SLAC. The sPHENIX calorimeter system includes three radial layers of sampling calorimeters, a tungsten-scintillating fiber electromagnetic calorimeter, and two longitudinally segmented sampling hadron calorimeters that are made of scintillator tiles and steel plates. Together, they provide hermetic coverage in | η | < 1 for calorimetry based jet measurements as well as minimal bias jet trigger capability, which coupled with high resolution tracking, enable an extremely rich jet physics program at RHIC.

  18. Performance of a forward hadron calorimeter for the ALICE experiment

    CERN Document Server

    Arnaldi, R; Cicalò, C; Cortese, P; De Falco, A; Dellacasa, G; De Marco, N; Gallio, M; Macciotta, P; Masoni, A; Musso, A; Oppedisano, C; Piccotti, A; Puddu, G; Scomparin, E; Serci, S; Siddi, E; Soave, C; Usai, G L; Vercellin, Ermanno

    1998-01-01

    The ALICE Zero-degree Calorimeters (ZDC) are quartz-fiber spaghetti calorimeters that exploit the Cherenkov light produced by the shower particles in silica optical fibers. This technique offers the advantages of high radiation $9 hardness, fast response and reduced lateral dimension of the detectable shower. In addition, quartz-fiber calorimeters are intrinsically insensitive to a radio-activation background, which produces particles below the Cherenkov $9 threshold. Two prototypes of the proton calorimeter, named ZP2 and ZP7, have been constructed with different geometrical and mechanical characteristics. They are both equipped with polymethylmethacrylate (PMMA) fibers read by 4 or 2 $9 Philips XP2020 photomultipliers. (6 refs).

  19. A calorimeter for neutron flux measurement. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Chupp, T.E. [Harvard Univ., Cambridge, MA (US). Physics Labs.

    1993-04-01

    A calorimeter for absolute neutron flux measurement has been built and tested. The calorimeter measures the heat produced in a 10{degrees}K thick LiPb target when neutrons are captured via the {sup 6}Li(n,{sup 3}H){sup 4}He reaction. The sensitivity achieved was 1.3x10{sup 6} n/s for a 1 hour measurement. Separate flux measurements with the calorimeter and a {sup 238}U fission chamber are in agreement and show that systematic errors are less than 3%. An improved calorimeter has been built which is sensitive to 10{sup 5} n/s for a 1 hour measurement.

  20. Refugiados y evacuados de la provincia de Toledo al comienzo de la guerra civil (1936

    Directory of Open Access Journals (Sweden)

    Juan Carlos Collado

    2009-01-01

    Full Text Available Desde el comienzo de la guerra civil tuvieron lugar movimientos forzosos de población al compás del avance de los frentes. Como ya sucedió en Andalucía y Extremadura, las sucesivas derrotas del ejército republicano en las comarcas septentrionales de la provincia de Toledo provocaron de nuevo desplazamientos masivos de población con Madrid como destino principal. Empezaba el drama de los refugiados.From the begining of the civil war, forced movements of populations took place witnessing the avance of the army detachments. As it already happened in Andalucia and Extremadura, the successive defeats suffered by the recuplican army in the northern regions of the province of Toledo caused other mass movements of civilians towards Madrid as the main destination. It was just the beggining of the refugees tragedy.

  1. Forest Cover Change and Soil Erosion in Toledo's Rio Grande Watershed

    Science.gov (United States)

    Chicas, S.; Omine, K.

    2015-04-01

    Toledo, the southernmost district, is the hub of Belize's Mayan population, descendants of the ancient Mayan civilization. The Toledo District is primarily inhibited by Kekchi and Mopan Mayans whose subsistence needs are met by the Milpa slash-and-burn agricultural system and the extraction of forest resources. The poverty assessment in the country indicates that Toledo is the district with the highest percentage of household an individual indigence of 37.5 % and 49.7 % respectively. Forest cover change in the area can be attributed to rapid population growth among the Maya, together with increase in immigration from neighboring countries, logging, oil exploration and improvement and construction of roads. The forest cover change analysis show that from 2001 to 2011 there was a decrease of Lowland broad-leaved wet forest of 7.53 km sq, Shrubland of 4.66 km sq, and Wetland of 0.08 km sq. Forest cover change has resulted in soil erosion which is causing the deterioration of soils. The land cover types that are contributing the most to total erosion in the Rio Grande watershed are no-forest, lowland broad-leaved wet forest and submontane broad-leaved wet forest. In this study the Revised Universal Soil Loss Equation (RUSLE) was employed in a GIS platform to quantify and assess forest cover change and soil erosion. Soil erosion vulnerability maps in Toledo's Rio Grande watershed were also created. This study provides scientifically sound information in order to understand and respond effectively to the impacts of soil erosion in the study site.

  2. La necrópolis medieval del Cerro de la Horca de Toledo

    Directory of Open Access Journals (Sweden)

    Ruiz Taboada, Arturo

    2009-06-01

    Full Text Available The archaeological excavation of part of a medieval necropolis at the Cerro de la Horca (Toledo has provided new information regarding burial traditions in Toledo. One formal aspect is common to the broad range of graves that have been brought to light, namely the pit that was dug for the burial, being of considerable depth in a number of cases. Because little is known of the funerary practices in Toledo during the Middle Ages and hardly any objects have been recovered in the excavation, it is difficult to identify the religious community to which it belonged. Whereas the location of Muslim and Christian cemeteries have been known through documentary and archaeological sources, only popular traditions quoted so far the Jewish necropolis, its location remaining thus a mystery.

    La excavación arqueológica desarrollada en un sector del Cerro de La Horca ha permitido conocer aspectos inéditos del ritual de enterramiento medieval en Toledo. Se ha documentado una amplia tipología de tumbas con un único elemento constructivo común para todas ellas, la excavación previa de una fosa que, en numerosos casos, alcanza gran profundidad. El desconocimiento sobre el mundo funerario medieval toledano y la falta de materiales arqueológicos representativos en esta necrópolis han obligado a reflexionar sobre la comunidad religiosa a la que pertenecen estos enterramientos. Por fuentes históricas y excavaciones previas, conocemos la localización de necrópolis musulmanas y cristianas. La localización de la(s judía(s había sido, al menos hasta ahora, una incógnita.

  3. Ceramic contexts of the Emirate from the palatial building of Carranque (Toledo

    Directory of Open Access Journals (Sweden)

    Virginia García-Entero

    2017-06-01

    Full Text Available The archaeological excavation works developed at the site of Santa María de Abajo (Carranque, Toledo between 2009 and 2011 -focused on the space occupied by the Late Roman Palace-have allowed us to know a long occupational sequence developed between Roman times and the early years of 20th century. In this work we present the study of ceramic contexts associated with the Emirate levels.

  4. Moving one of the ATLAS end-cap calorimeters

    CERN Multimedia

    Claudia Marcelloni

    2007-01-01

    One of the end-cap calorimeters for the ATLAS experiment is moved using a set of rails. This calorimeter will measure the energy of particles that are produced close to the axis of the beam when two protons collide. It is kept cool inside a cryostat to allow the detector to work at maximum efficiency.

  5. Performance of the electromagnetic calorimeter of the HERMES experiment.

    NARCIS (Netherlands)

    Avakian, H.; van den Brand, J.F.J.; Kolstein, M.

    1998-01-01

    The performance of the electromagnetic calorimeter of the HERMES experiment is described. The calorimeter consists of 840 radiation resistant F101 lead-glass counters. The response to positrons up to 27.5GeV, the comparison between the measured energy and the momentum reconstructed from tracking,

  6. ATLAS Tile Calorimeter central barrel assembly and installation.

    CERN Multimedia

    nikolai topilin

    2009-01-01

    These photos belong to the self-published book by Nikolai Topilin "ATLAS Hadron Calorimeter Assembly". The book is a collection of souvenirs from the years of assembly and installation of the Tile Hadron Calorimeter, which extended from November 2002 until May 2006.

  7. Precision lead tungstate Crystal calorimeter for CMS at LHC

    CERN Document Server

    Ren Yuan Zhu

    2004-01-01

    A precision lead tungstate crystal calorimeter is being constructed by the CMS collaboration as a powerful tool to probe electroweak symmetry breaking and new physics in the LHC era. The status of calorimeter construction is reported. A crucial issue of maintaining crystal calorimetry precision in the expected radiation environment is elaborated. (11 refs).

  8. A Customizable GeantV Calorimeter Application

    CERN Document Server

    Schmitz, Ryan; Vallecorsa, Sofia; Novak, Mihaly; CERN. Geneva. EP Department

    2017-01-01

    A customizable calorimeter application was written in GeantV. This application includes a GeantV-native detector construction file as well as GeantV-native physics models and new data collection structures. Including these features makes this one of the first examples of a completely standalone GeantV application. A comparison to Geant4 was made which showed the consistency of the GeantV-native physics models included in this example. Finally, the workflow improvements made by the creation of this application are described.

  9. Charge Detector for the Imaging Calorimeter for ACCESS (ICA)

    Science.gov (United States)

    Lee, Jeongin; Adams, J. H., Jr.

    2000-01-01

    NASA's Advanced Cosmic Ray Experiment for the Space Station (ACCESS) Mission is planned to consist of a transition radiation detector (TRD) and a thin ionization calorimeter. In order to measure the charge of the primary cosmic ray, it is necessary for the calorimeter to have its own charge detector. Silicon detectors are chosen for the charge detector because of their excellent resolution, small size and nearly square shape. Monte Carlo simulations are performed to find the probability of misidentifying protons as alpha particles due to backscattered radiation from the calorimeter. Simulations were also used to investigate identifying primary cosmic rays that fragmented in the TRD before reaching the calorimeter. For this study algorithms have been developed for determining a direction of the core shower in the calorimeter. These algorithms are used to find the approximate location of the primary particle in the silicon detectors. Results show the probability to misidentify the charge depends upon the energy and direction of the primary particles.

  10. Readiness of the ATLAS Liquid Argon Calorimeter for LHC Collisions

    CERN Document Server

    Aad, G.; Abdallah, J.; Abdelalim, A.A.; Abdesselam, A.; Abdinov, O.; Abi, B.; Abolins, M.; Abramowicz, H.; Abreu, H.; Acharya, B.S.; Adams, D.L.; Addy, T.N.; Adelman, J.; Adorisio, C.; Adragna, P.; Adye, T.; Aefsky, S.; Aguilar-Saavedra, J.A.; Aharrouche, M.; Ahlen, S.P.; Ahles, F.; Ahmad, A.; Ahmed, H.; Ahsan, M.; Aielli, G.; Akdogan, T.; Akesson, T.P.A.; Akimoto, G.; Akimov, A.V.; Aktas, A.; Alam, M.S.; Alam, M.A.; Albert, J.; Albrand, S.; Aleksa, M.; Aleksandrov, I.N.; Alessandria, F.; Alexa, C.; Alexander, G.; Alexandre, G.; Alexopoulos, T.; Alhroob, M.; Aliev, M.; Alimonti, G.; Alison, J.; Aliyev, M.; Allport, P.P.; Allwood-Spiers, S.E.; Almond, J.; Aloisio, A.; Alon, R.; Alonso, A.; Alviggi, M.G.; Amako, K.; Amelung, C.; Ammosov, V.V.; Amorim, A.; Amorós, G.; Amram, N.; Anastopoulos, C.; Andeen, T.; Anders, C.F.; Anderson, K.J.; Andreazza, A.; Andrei, V.; Anduaga, X.S.; Angerami, A.; Anghinolfi, F.; Anjos, N.; Antonaki, A.; Antonelli, M.; Antonelli, S.; Antunovic, B.; Anulli, F.; Aoun, S.; Arabidze, G.; Aracena, I.; Arai, Y.; Arce, A.T.H.; Archambault, J.P.; Arfaoui, S.; Arguin, J-F; Argyropoulos, T.; Arik, E.; Arik, M.; Armbruster, A.J.; Arnaez, O.; Arnault, C.; Artamonov, A.; Arutinov, D.; Asai, M.; Asai, S.; Asfandiyarov, R.; Ask, S.; Asman, B.; Asner, D.; Asquith, L.; Assamagan, K.; Astbury, A.; Astvatsatourov, A.; Atoian, G.; Auerbach, B.; Auge, E.; Augsten, K.; Aurousseau, M.; Austin, N.; Avolio, G.; Avramidou, R.; Axen, D.; Ay, C.; Azuelos, G.; Azuma, Y.; Baak, M.A.; Baccaglioni, G.; Bacci, C.; Bach, A.; Bachacou, H.; Bachas, K.; Backes, M.; Badescu, E.; Bagnaia, P.; Bai, Y.; Bailey, D.C.; Bain, T.; Baines, J.T.; Baker, O.K.; Baker, M.D.; Baltasar Dos Santos Pedrosa, F; Banas, E.; Banerjee, P.; Banerjee, S.; Banfi, D.; Bangert, A.; Bansal, V.; Baranov, S.P.; Baranov, S.; Barashkou, A.; Barber, T.; Barberio, E.L.; Barberis, D.; Barbero, M.; Bardin, D.Y.; Barillari, T.; Barisonzi, M.; Barklow, T.; Barlow, N.; Barnett, B.M.; Barnett, R.M.; Baron, S.; Baroncelli, A.; Barr, A.J.; Barreiro, F.; Barreiro Guimarães da Costa, J.; Barrillon, P.; Barros, N.; Bartoldus, R.; Bartsch, D.; Bastos, J.; Bates, R.L.; Bathe, S.; Batkova, L.; Batley, J.R.; Battaglia, A.; Battistin, M.; Bauer, F.; Bawa, H.S.; Bazalova, M.; Beare, B.; Beau, T.; Beauchemin, P.H.; Beccherle, R.; Becerici, N.; Bechtle, P.; Beck, G.A.; Beck, H.P.; Beckingham, M.; Becks, K.H.; Bedajanek, I.; Beddall, A.J.; Beddall, A.; Bednár, P.; Bednyakov, V.A.; Bee, C.; Begel, M.; Behar Harpaz, S; Behera, P.K.; Beimforde, M.; Belanger-Champagne, C.; Bell, P.J.; Bell, W.H.; Bella, G.; Bellagamba, L.; Bellina, F.; Bellomo, M.; Belloni, A.; Belotskiy, K.; Beltramello, O.; Ben Ami, S; Benary, O.; Benchekroun, D.; Bendel, M.; Benedict, B.H.; Benekos, N.; Benhammou, Y.; Benincasa, G.P.; Benjamin, D.P.; Benoit, M.; Bensinger, J.R.; Benslama, K.; Bentvelsen, S.; Beretta, M.; Berge, D.; Bergeaas Kuutmann, E; Berger, N.; Berghaus, F.; Berglund, E.; Beringer, J.; Bernardet, K.; Bernat, P.; Bernhard, R.; Bernius, C.; 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Strizenec, P.; Ströhmer, R.; Strom, D.M.; Strong, J.A.; Stroynowski, R.; Strube, J.; Stugu, B.; Stumer, I.; Soh, D.A.; Su, D.; Suchkov, S.I.; Sugaya, Y.; Sugimoto, T.; Suhr, C.; Suk, M.; Sulin, V.V.; Sultansoy, S.; Sumida, T.; Sun, X.; Sundermann, J.E.; Suruliz, K.; Sushkov, S.; Susinno, G.; Sutton, M.R.; Suzuki, T.; Suzuki, Y.; Sviridov, Yu M; Sykora, I.; Sykora, T.; Szymocha, T.; Sánchez, J.; Ta, D.; Tackmann, K.; Taffard, A.; Tafirout, R.; Taga, A.; Takahashi, Y.; Takai, H.; Takashima, R.; Takeda, H.; Takeshita, T.; Talby, M.; Talyshev, A.; Tamsett, M.C.; Tanaka, J.; Tanaka, R.; Tanaka, S.; Tanaka, S.; Tappern, G.P.; Tapprogge, S.; Tardif, D.; Tarem, S.; Tarrade, F.; Tartarelli, G.F.; Tas, P.; Tasevsky, M.; Tassi, E.; Taylor, C.; Taylor, F.E.; Taylor, G.N.; Taylor, R.P.; Taylor, W.; Teixeira-Dias, P.; Ten Kate, H; Teng, P.K.; Terada, S.; Terashi, K.; Terron, J.; Terwort, M.; Testa, M.; Teuscher, R.J.; Tevlin, C.M.; Thadome, J.; Thananuwong, R.; Thioye, M.; Thoma, S.; Thomas, J.P.; Thomas, T.L.; Thompson, E.N.; Thompson, P.D.; Thompson, P.D.; Thompson, R.J.; Thompson, A.S.; Thomson, E.; Thun, R.P.; Tic, T.; Tikhomirov, V.O.; Tikhonov, Y.A.; Timmermans, C.J.W.P.; Tipton, P.; Tique-Aires-Viegas, F.J.; Tisserant, S.; Tobias, J.; Toczek, B.; Todorov, T.; Todorova-Nova, S.; Toggerson, B.; Tojo, J.; Tokár, S.; Tokushuku, K.; Tollefson, K.; Tomasek, L.; Tomasek, M.; Tomasz, F.; Tomoto, M.; Tompkins, D.; Tompkins, L.; Toms, K.; Tong, G.; Tonoyan, A.; Topfel, C.; Topilin, N.D.; Torrence, E.; Torró Pastor, E; Toth, J.; Touchard, F.; Tovey, D.R.; Tovey, S.N.; Trefzger, T.; Tremblet, L.; Tricoli, A.; Trigger, I.M.; Trincaz-Duvoid, S.; Trinh, T.N.; Tripiana, M.F.; Triplett, N.; Trivedi, A.; Trocmé, B.; Troncon, C.; Trzupek, A.; Tsarouchas, C.; Tseng, J.C-L.; Tsiafis, I.; Tsiakiris, M.; Tsiareshka, P.V.; Tsionou, D.; Tsipolitis, G.; Tsiskaridze, V.; Tskhadadze, E.G.; Tsukerman, I.I.; Tsulaia, V.; Tsung, J-W; Tsuno, S.; Tsybychev, D.; Turala, M.; Turecek, D.; Turk Cakir, I; Turlay, E.; Tuts, P.M.; Twomey, M.S.; Tylmad, M.; Tyndel, M.; Tzanakos, G.; Uchida, K.; Ueda, I.; Uhlenbrock, M.; Uhrmacher, M.; Ukegawa, F.; Unal, G.; Underwood, D.G.; Undrus, A.; Unel, G.; Unno, Y.; Urbaniec, D.; Urkovsky, E.; Urquijo, P.; Urrejola, P.; Usai, G.; Uslenghi, M.; Vacavant, L.; Vacek, V.; Vachon, B.; Vahsen, S.; Valenta, J.; Valente, P.; Valentinetti, S.; Valkar, S.; Valladolid Gallego, E; Vallecorsa, S.; Valls Ferrer, J A; Van Berg, R; van der Graaf, H; van der Kraaij, E; van der Poel, E; Van Der Ster, D; van Eldik, N; van Gemmeren, P; van Kesteren, Z; van Vulpen, I; Vandelli, W.; Vandoni, G.; Vaniachine, A.; Vankov, P.; Vannucci, F.; Varela Rodriguez, F; Vari, R.; Varnes, E.W.; Varouchas, D.; Vartapetian, A.; Varvell, K.E.; Vasilyeva, L.; Vassilakopoulos, V.I.; Vazeille, F.; Vegni, G.; Veillet, J.J.; Vellidis, C.; Veloso, F.; Veness, R.; Veneziano, S.; Ventura, A.; Ventura, D.; Venturi, M.; Venturi, N.; Vercesi, V.; Verducci, M.; Verkerke, W.; Vermeulen, J.C.; Vetterli, M.C.; Vichou, I.; Vickey, T.; Viehhauser, G.H.A.; Villa, M.; Villani, E.G.; Villaplana Perez, M; Villate, J.; Vilucchi, E.; Vincter, M.G.; Vinek, E.; Vinogradov, V.B.; Viret, S.; Virzi, J.; Vitale, A.; Vitells, O.V.; Vivarelli, I.; Vives Vaques, F; Vlachos, S.; Vlasak, M.; Vlasov, N.; Vogt, H.; Vokac, P.; Volpi, M.; Volpini, G.; von der Schmitt, H; von Loeben, J; von Radziewski, H; von Toerne, E; Vorobel, V.; Vorobiev, A.P.; Vorwerk, V.; Vos, M.; Voss, R.; Voss, T.T.; Vossebeld, J.H.; Vranjes, N.; Vranjes Milosavljevic, M; Vrba, V.; Vreeswijk, M.; Vu Anh, T; Vudragovic, D.; Vuillermet, R.; Vukotic, I.; Wagner, P.; Wahlen, H.; Walbersloh, J.; Walder, J.; Walker, R.; Walkowiak, W.; Wall, R.; Wang, C.; Wang, H.; Wang, J.; Wang, J.C.; Wang, S.M.; Ward, C.P.; Warsinsky, M.; Wastie, R.; Watkins, P.M.; Watson, A.T.; Watson, M.F.; Watts, G.; Watts, S.; Waugh, A.T.; Waugh, B.M.; Webel, M.; Weber, J.; Weber, M.D.; Weber, M.; Weber, M.S.; Weber, P.; Weidberg, A.R.; Weingarten, J.; Weiser, C.; Wellenstein, H.; Wells, P.S.; Wen, M.; Wenaus, T.; Wendler, S.; Wengler, T.; Wenig, S.; Wermes, N.; Werner, M.; Werner, P.; Werth, M.; Werthenbach, U.; Wessels, M.; Whalen, K.; Wheeler-Ellis, S.J.; Whitaker, S.P.; White, A.; White, M.J.; White, S.; Whiteson, D.; Whittington, D.; Wicek, F.; Wicke, D.; Wickens, F.J.; Wiedenmann, W.; Wielers, M.; Wienemann, P.; Wiglesworth, C.; Wiik, L.A.M.; Wildauer, A.; Wildt, M.A.; Wilhelm, I.; Wilkens, H.G.; Williams, E.; Williams, H.H.; Willis, W.; Willocq, S.; Wilson, J.A.; Wilson, M.G.; Wilson, A.; Wingerter-Seez, I.; Winklmeier, F.; Wittgen, M.; Wolter, M.W.; Wolters, H.; Wosiek, B.K.; Wotschack, J.; Woudstra, M.J.; Wraight, K.; Wright, C.; Wright, D.; Wrona, B.; Wu, S.L.; Wu, X.; Wulf, E.; Xella, S.; Xie, S.; Xie, Y.; Xu, D.; Xu, N.; Yamada, M.; Yamamoto, A.; Yamamoto, S.; Yamamura, T.; Yamanaka, K.; Yamaoka, J.; Yamazaki, T.; Yamazaki, Y.; Yan, Z.; Yang, H.; Yang, U.K.; Yang, Y.; Yang, Z.; Yao, W-M; Yao, Y.; Yasu, Y.; Ye, J.; Ye, S.; Yilmaz, M.; Yoosoofmiya, R.; Yorita, K.; Yoshida, R.; Young, C.; Youssef, S.P.; Yu, D.; Yu, J.; Yu, M.; Yu, X.; Yuan, J.; Yuan, L.; Yurkewicz, A.; Zaidan, R.; Zaitsev, A.M.; Zajacova, Z.; Zambrano, V.; Zanello, L.; Zarzhitsky, P.; Zaytsev, A.; Zeitnitz, C.; Zeller, M.; Zema, P.F.; Zemla, A.; Zendler, C.; Zenin, O.; Zenis, T.; Zenonos, Z.; Zenz, S.; Zerwas, D.; Zevi della Porta, G; Zhan, Z.; Zhang, H.; Zhang, J.; Zhang, Q.; Zhang, X.; Zhao, L.; Zhao, T.; Zhao, Z.; Zhemchugov, A.; Zheng, S.; Zhong, J.; Zhou, B.; Zhou, N.; Zhou, Y.; Zhu, C.G.; Zhu, H.; Zhu, Y.; Zhuang, X.; Zhuravlov, V.; Zilka, B.; Zimmermann, R.; Zimmermann, S.; Zimmermann, S.; Ziolkowski, M.; Zitoun, R.; Zivkovic, L.; Zmouchko, V.V.; Zobernig, G.; Zoccoli, A.; zur Nedden, M; Zutshi, V.

    2010-01-01

    The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an overview of the liquid argon calorimeter performance measured in situ with random triggers, calibration data, cosmic muons, and LHC beam splash events. Results on the detector operation, timing performance, electronics noise, and gain stability are presented. High energy deposits from radiative cosmic muons and beam splash events allow to check the intrinsic constant term of the energy resolution. The uniformity of the electromagnetic barrel calorimeter response along eta (averaged over phi) is measured at the percent level using minimum ionizing cosmic muons. Finally, studies of electromagnetic showers from radiative muons have been used to cross-check the Monte Carlo simulation. The performance results obtained u...

  11. Tile/hadronic Calorimeter design viewed from ATLAS

    CERN Document Server

    Santoni, C; The ATLAS collaboration

    2012-01-01

    The ATLAS Tile Calorimeter (TileCal) is the barrel hadronic calorimeter of the ATLAS experiment at the CERN Large Hadron Collider (LHC). It is a sampling calorimeter using plastic scintillator as the active material and iron as the absorber. In the barrel part of ATLAS, together with the electromagnetic barrel calorimeter, TileCal provides precise measurements of hadrons, jets, taus and the missing transverse energy. To understand the detail of the response of the detector, 11% of the 192 calorimeter modules were exposed to test beams of electrons, muons, and hadrons. Results were also obtained in the experimental hall using random triggers, calibration data and data from muons, isolated pions, and inclusive p-p events. This talk gives an overview of the TileCal performance.

  12. Reactor Gamma Heat Measurements with Calorimeters and Thermoluminescence Dosimeters

    DEFF Research Database (Denmark)

    Haack, Karsten; Majborn, Benny

    1973-01-01

    Intercomparison measurements of reactor γ-ray heating were carried out with calorimeters and thermoluminescence dosimeters. Within the measurement uncertainties the two methods yield coincident results. In the actual measurement range thermoluminescence dosimeters are less accurate than calorimet......Intercomparison measurements of reactor γ-ray heating were carried out with calorimeters and thermoluminescence dosimeters. Within the measurement uncertainties the two methods yield coincident results. In the actual measurement range thermoluminescence dosimeters are less accurate than...... calorimeters, but possess advantages such as a small probe size and the possibility of making simultaneous measurements at many different positions. Hence, thermoluminescence dosimeters may constitute a valuable supplement to calorimeters for reactor γ-ray heating measurements....

  13. Cloning, Assembly, and Modification of the Primary Human Cytomegalovirus Isolate Toledo by Yeast-Based Transformation-Associated Recombination.

    Science.gov (United States)

    Vashee, Sanjay; Stockwell, Timothy B; Alperovich, Nina; Denisova, Evgeniya A; Gibson, Daniel G; Cady, Kyle C; Miller, Kristofer; Kannan, Krishna; Malouli, Daniel; Crawford, Lindsey B; Voorhies, Alexander A; Bruening, Eric; Caposio, Patrizia; Früh, Klaus

    2017-01-01

    Genetic engineering of cytomegalovirus (CMV) currently relies on generating a bacterial artificial chromosome (BAC) by introducing a bacterial origin of replication into the viral genome using in vivo recombination in virally infected tissue culture cells. However, this process is inefficient, results in adaptive mutations, and involves deletion of viral genes to avoid oversized genomes when inserting the BAC cassette. Moreover, BAC technology does not permit the simultaneous manipulation of multiple genome loci and cannot be used to construct synthetic genomes. To overcome these limitations, we adapted synthetic biology tools to clone CMV genomes in Saccharomyces cerevisiae. Using an early passage of the human CMV isolate Toledo, we first applied transformation-associated recombination (TAR) to clone 16 overlapping fragments covering the entire Toledo genome in Saccharomyces cerevisiae. Then, we assembled these fragments by TAR in a stepwise process until the entire genome was reconstituted in yeast. Since next-generation sequence analysis revealed that the low-passage-number isolate represented a mixture of parental and fibroblast-adapted genomes, we selectively modified individual DNA fragments of fibroblast-adapted Toledo (Toledo-F) and again used TAR assembly to recreate parental Toledo (Toledo-P). Linear, full-length HCMV genomes were transfected into human fibroblasts to recover virus. Unlike Toledo-F, Toledo-P displayed characteristics of primary isolates, including broad cellular tropism in vitro and the ability to establish latency and reactivation in humanized mice. Our novel strategy thus enables de novo cloning of CMV genomes, more-efficient genome-wide engineering, and the generation of viral genomes that are partially or completely derived from synthetic DNA. IMPORTANCE The genomes of large DNA viruses, such as human cytomegalovirus (HCMV), are difficult to manipulate using current genetic tools, and at this time, it is not possible to obtain

  14. Progress on the Level-1 Calorimeter Trigger

    CERN Multimedia

    Eric Eisenhandler

    The Level-1 Calorimeter Trigger (L1Calo) has recently passed a number of major hurdles. The various electronic modules that make up the trigger are either in full production or are about to be, and preparations in the ATLAS pit are well advanced. L1Calo has three main subsystems. The PreProcessor converts analogue calorimeter signals to digital, associates the rather broad trigger pulses with the correct proton-proton bunch crossing, and does a final calibration in transverse energy before sending digital data streams to the two algorithmic trigger processors. The Cluster Processor identifies and counts electrons, photons and taus, and the Jet/Energy-sum Processor looks for jets and also sums missing and total transverse energy. Readout drivers allow the performance of the trigger to be monitored online and offline, and also send region-of-interest information to the Level-2 Trigger. The PreProcessor (Heidelberg) is the L1Calo subsystem with the largest number of electronic modules (124), and most of its fu...

  15. ATLAS LEVEL-1 CALORIMETER AND TOPOLOGICAL TRIGGER

    CERN Document Server

    Weber, Sebastian Mario; The ATLAS collaboration

    2017-01-01

    In Run 2 at CERN's Large Hadron Collider, the ATLAS detector uses a two-level trigger system to reduce the event rate from the nominal collision rate of 40 MHz to the event storage rate of 1 kHz, while preserving interesting physics events. The first step of the trigger system, Level-1, reduces the event rate to 100 kHz with a latency of less than 2.5 μs. One component of this system is the Level-1 Calorimeter Trigger (L1Calo), which uses coarse-granularity information from the electromagnetic and hadronic calorimeters to identify regions of interest corresponding to electrons, photons, taus, jets, and large amounts of transverse energy and missing transverse energy. In this talk, we will discuss the improved performance of the L1Calo system in the challenging, high-luminosity conditions provided by the LHC in Run 2. As the LHC exceeds its design luminosity, it is becoming even more critical to reduce event rates while preserving physics. A new feature of the ATLAS Run 2 trigger system is the Level-1 Topolog...

  16. The NA48 LKr calorimeter readout electronics

    CERN Document Server

    Gianoli, A; Barr, C; Brodier-Yourstone, P; Buchholz, P; Ceccucci, Augusto; Cerri, C; Chlopik, A; Constantini, F; Fantechi, R; Formenti, F; Funk, W; Giudici, Sergio; Gorini, B; Guzik, J A; Hallgren, Björn I; Kozhevnikov, Yu; Iwansky, W; de La Taille, C; Lacourt, A; Laverrière, G C; Ljuslin, C; Mannelli, I; Martin-Chassard, G; Martini, M; Papi, A; Seguin-Moreau, N; Sozzi, M; Tarlé, J C; Velasco, M; Vossnack, O; Wahl, H; Ziolkowski, M

    2000-01-01

    The NA48 experiment at the CERN SPS accelerator is making a measurement of the direct CP violation parameter epsilon '/ epsilon by comparing the four rates of decay of K/sub S/ and K/sub L/ into 2 pi /sup 0/ and pi /sup +/ pi /sup -/. To reconstruct the decays into 2 pi /sup 0/ the information from the almost 13500 channels of a quasi-homogeneous liquid krypton electromagnetic calorimeter is used. The readout electronics of the calorimeter has been designed to provide a dynamic range from a few MeV to about 50 GeV energy deposition per cell, and to sustain a high rate of incident particles. The system is made by cold charge preamplifiers (working at 120 degrees K), low-noise fast shapers followed by digitizer electronics at 40 MHz sampling rate that employs a gain switching technique to expand the dynamic range, where the gain can be selected for each sample individually (i.e. every 25 ns). To reduce the amount of data collected the system contains a zero suppression circuit based on halo expansion. (12 refs)...

  17. Level-1 Calorimeter Trigger starts firing

    CERN Multimedia

    Stephen Hillier

    2007-01-01

    L1Calo is one of the major components of ATLAS First Level trigger, along with the Muon Trigger and Central Trigger Processor. It forms all of the first-level calorimeter-based triggers, including electron, jet, tau and missing ET. The final system consists of over 250 custom designed 9U VME boards, most containing a dense array of FPGAs or ASICs. It is subdivided into a PreProcessor, which digitises the incoming trigger signals from the Liquid Argon and Tile calorimeters, and two separate processor systems, which perform the physics algorithms. All of these are highly flexible, allowing the possibility to adapt to beam conditions and luminosity. All parts of the system are read out through Read-Out Drivers, which provide monitoring data and Region of Interest (RoI) information for the Level-2 trigger. Production of the modules is now essentially complete, and enough modules exist to populate the full scale system in USA15. Installation is proceeding rapidly - approximately 90% of the final modules are insta...

  18. COTS Analog Prototype for LHCb's Calorimeter Upgrade

    CERN Document Server

    Abellan Beteta, Carlos; Herms i Berenguer, Atilà

    The objective of this thesis is to present a proposal for the analogue signal processing chain needed for the LHCb calorimeter upgrade improving the design used originally. The design contains several novelties: the system was designed with low noise in mind from the beginning, it is made to have good immunity to interferences stressing the fact that the board will be shared with large digital circuits, differential operational amplifiers are used in a non-standard way as a mean to obtain opposite polarity signals for the signal treatment and a way to increase the available signal in the front end electronics is proposed. The thesis starts with a brief introduction to the detector and its environment. This is followed by an explanation of the use of shapers in high energy physics detectors and the constraints that the shaper must address in the LHCb calorimeter. This leads to a chapter where the circuit design is explained starting from the analysis of the original circuit and its flaws. Once the original cir...

  19. El impacto ambiental de campos de golf. Un caso real en Toledo

    Directory of Open Access Journals (Sweden)

    Sobrini, I. M.

    2001-12-01

    Full Text Available We expose the environmental impact statement (EIS of a future golf course in Toledo city (Spain. This golf course is included in an ambitious scientific-medical research project concerning new therapies through the practice of golf for medullary handicapped persons, in addition with a cultural approach between the three big monotheistic religions that have historically lived together in Toledo. The methodology used to carry out the EIS was very particular and easy to be extrapolated to similar cases, but not to be generalized. It was based in comparing the future project. with the actual intensive irrigation farming of the land, and with the future urban consequences due lo its position next to Toledo city. The comparison between the different environmental impacts of this project and a the actual use of the land, suffering a very intensive irrigation farming, and b the future without the project, was favourable to the golf course, because it was concerned as less aggressive. An appropriate water managing will allow reducing the consumption from the actual 99 l/s authorised for agricultural use, until 54 l/s required for the golf course, improving the environment of this section of the Tajo river: The turf management will be less harmful than the irrigation farming, this one being held nowadays with a high pesticide consumption. Later on, environmental management practice will allow to reduce costs and will help to increase golf-players environmental consciousness. This new golf course will provide the integration o/ this section of Tajo River in the future urban development of Toledo city, creating a green island in its west side, profitable for all city dwellers. This change will be a great improvement, not only for Toledo’s environment, but also for the development of different economical sectors. due to the golf course implantation.Se expone el estudio realizado sobre la incidencia ambiental de un futuro campo de golf en Toledo

  20. Design, Performance, and Calibration of the CMS Hadron-Outer Calorimeter

    CERN Document Server

    Abdullin, Salavat; Acharya, Bannaje Sripathi; Adam, Nadia; Adams, Mark Raymond; Akchurin, Nural; Akgun, Ugur; Albayrak, Elif Asli; Anderson, E Walter; Antchev, Georgy; Arcidy, M; Ayan, S; Aydin, Sezgin; Aziz, Tariq; Baarmand, Marc M; Babich, Kanstantsin; Baden, Drew; Bakirci, Mustafa Numan; Banerjee, Sunanda; Banerjee, Sudeshna; Bard, Robert; Barnes, Virgil E; Bawa, Harinder Singh; Baiatian, G; Bencze, Gyorgy; Beri, Suman Bala; Berntzon, Lisa; Bhatnagar, Vipin; Bhatti, Anwar; Bodek, Arie; Bose, Suvadeep; Bose, Tulika; Budd, Howard; Burchesky, Kyle; Camporesi, Tiziano; Cankocak, Kerem; Carrell, Kenneth Wayne; Cerci, Salim; Chendvankar, Sanjay; Chung, Yeon Sei; Clarida, Warren; Cremaldi, Lucien Marcus; Cushman, Priscilla; Damgov, Jordan; De Barbaro, Pawel; Debbins, Paul; Deliomeroglu, Mehmet; Demianov, A; de Visser, Theo; Deshpande, Pandurang Vishnu; Díaz, Jonathan; Dimitrov, Lubomir; Dugad, Shashikant; Dumanoglu, Isa; Duru, Firdevs; Efthymiopoulos, I; Elias, John E; Elvira, D; Emeliantchik, Igor; Eno, Sarah Catherine; Ershov, Alexander; Erturk, Sefa; Esen, Selda; Eskut, Eda; Fenyvesi, Andras; Fisher, Wade Cameron; Freeman, Jim; Ganguli, Som N; Gaultney, Vanessa; Gamsizkan, Halil; Gavrilov, Vladimir; Genchev, Vladimir; Gleyzer, Sergei V; Golutvin, Igor; Goncharov, Petr; Grassi, Tullio; Green, Dan; Gribushin, Andrey; Grinev, B; Gurtu, Atul; Murat Güler, A; Gülmez, Erhan; Gümüs, K; Haelen, T; Hagopian, Sharon; Hagopian, Vasken; Halyo, Valerie; Hashemi, Majid; Hauptman, John M; Hazen, Eric; Heering, Arjan Hendrix; Heister, Arno; Hunt, Adam; Ilyina, N; Ingram, D; Isiksal, Engin; Jarvis, Chad; Jeong, Chiyoung; Johnson, Kurtis F; Jones, John; Kaftanov, Vitali; Kalagin, Vladimir; Kalinin, Alexey; Kalmani, Suresh Devendrappa; Karmgard, Daniel John; Kaur, Manjit; Kaya, Mithat; Kaya, Ozlem; Kayis-Topaksu, A; Kellogg, Richard G; Khmelnikov, Alexander; Kim, Heejong; Kisselevich, I; Kodolova, Olga; Kohli, Jatinder Mohan; Kolossov, V; Korablev, Andrey; Korneev, Yury; Kosarev, Ivan; Kramer, Laird; Krinitsyn, Alexander; Krishnaswamy, Marthi Ramaswamy; Krokhotin, Andrey; Kryshkin, V; Kuleshov, Sergey; Kumar, Arun; Kunori, Shuichi; Laasanen, Alvin T; Ladygin, Vladimir; Laird, Edward; Landsberg, Greg; Laszlo, Andras; Lawlor, C; Lazic, Dragoslav; Lee, Sang Joon; Levchuk, Leonid; Linn, Stephan; Litvintsev, Dmitri; Lobolo, L; Los, Serguei; Lubinsky, V; Lukanin, Vladimir; Ma, Yousi; Machado, Emanuel; Maity, Manas; Majumder, Gobinda; Mans, Jeremy; Marlow, Daniel; Markowitz, Pete; Martínez, German; Mazumdar, Kajari; Merlo, Jean-Pierre; Mermerkaya, Hamit; Mescheryakov, G; Mestvirishvili, Alexi; Miller, Michael; Möller, A; Mohammadi-Najafabadi, M; Moissenz, P; Mondal, Naba Kumar; Mossolov, Vladimir; Nagaraj, P; Narasimham, Vemuri Syamala; Norbeck, Edwin; Olson, Jonathan; Onel, Yasar; Onengüt, G; Ozkan, Cigdem; Ozkurt, Halil; Ozkorucuklu, Suat; Ozok, Ferhat; Paktinat, S; Pal, Andras; Patil, Mandakini Ravindra; Penzo, Aldo; Petrushanko, Sergey; Petrosian, A; Pikalov, Vladimir; Piperov, Stefan; Podrasky, V; Polatoz, A; Pompos, Arnold; Popescu, Sorina; Posch, C; Pozdnyakov, Andrey; Qian, Weiming; Ralich, Robert; Reddy, L; Reidy, Jim; Rogalev, Evgueni; Roh, Youn; Rohlf, James; Ronzhin, Anatoly; Ruchti, Randy; Ryazanov, Anton; Safronov, Grigory; Sanders, David A; Sanzeni, Christopher; Sarycheva, Ludmila; Satyanarayana, B; Schmidt, Ianos; Sekmen, Sezen; Semenov, Sergey; Senchishin, V; Sergeyev, S; Serin, Meltem; Sever, Ramazan; Singh, B; Singh, Jas Bir; Sirunyan, Albert M; Skuja, Andris; Sharma, Seema; Sherwood, Brian; Shumeiko, Nikolai; Smirnov, Vitaly; Sogut, Kenan; Sonmez, Nasuf; Sorokin, Pavel; Spezziga, Mario; Stefanovich, R; Stolin, Viatcheslav; Sudhakar, Katta; Sulak, Lawrence; Suzuki, Ichiro; Talov, Vladimir; Teplov, Konstantin; Thomas, Ray; Tonwar, Suresh C; Topakli, Huseyin; Tully, Christopher; Turchanovich, L; Ulyanov, A; Vanini, A; Vankov, Ivan; Vardanyan, Irina; Varela, F; Vergili, Mehmet; Verma, Piyush; Vesztergombi, Gyorgy; Vidal, Richard; Vishnevskiy, Alexander; Vlassov, E; Vodopiyanov, Igor; Volobouev, Igor; Volkov, Alexey; Volodko, Anton; Wang, Lei; Werner, Jeremy Scott; Wetstein, Matthew; Winn, Dave; Wigmans, Richard; Whitmore, Juliana; Wu, Shouxiang; Yazgan, Efe; Yetkin, Taylan; Zálán, Peter; Zarubin, Anatoli; Zeyrek, Mehmet

    2008-01-01

    The CMS hadron calorimeter is a sampling calorimeter with brass absorber and plastic scintillator tiles with wavelength shifting fibres for carrying the light to the readout device. The barrel hadron calorimeter is complemented with an outer calorimeter to ensure high energy shower containment in the calorimeter. Fabrication, testing and calibration of the outer hadron calorimeter are carried out keeping in mind its importance in the energy measurement of jets in view of linearity and resolution. It will provide a net improvement in missing $\\et$ measurements at LHC energies. The outer hadron calorimeter will also be used for the muon trigger in coincidence with other muon chambers in CMS.

  1. METROLOGICAL PERFORMANCES OF BOMB CALORIMETERS AT REAL CONDITIONS

    Directory of Open Access Journals (Sweden)

    Yu. V. Maksimuk

    2016-01-01

    Full Text Available The high-usage measurement equipment for heat of combustion of organic fuels are bomb isoperibol calorimeters with a water thermostat. The stability of work of calorimeters at real conditions is important for maintenance of reliability of measurement results. The article purpose – the analysis of stability for parameters of calorimeters to environment changes. In this work influence room temperature (Тк and heat exchange conditions on metrological characteristics of two models of calorimeters is considered with different degree of thermal protection: V-08МА and BIC 100. For calorimeters V-08МА the increase in a effective heat capacity (W on 0,1 % by growth of Tк on everyone 5 °С is established. To use value W in all interval laboratory temperatures Tк = 14–28 °С it is necessary to correct W on 2,8 J/°C on everyone 1 °С changes of Tк. Updating W is required, if the correction exceeds error in determination W. For calorimeter BIC 100 it is not revealed dependences W from Tк. BIC 100 have constant-temperature cap, high stability a temperature in thermostat and stabilized heat exchange. It is established that an standard deviation of cooling constant for all calorimeters in direct proportional to standard deviation W. 

  2. Status of the ATLAS Liquid Argon Calorimeter and its Performance

    CERN Document Server

    Barillari, T; The ATLAS collaboration

    2011-01-01

    The ATLAS experiment is designed to study the proton-proton collisions produced at the LHC with a centre-of-mass energy of 14 TeV. Liquid argon (LAr) sampling calorimeters are used in ATLAS for all electromagnetic calorimetry covering the pseudorapidity region |eta|<3.2, as well as for hadronic calorimetry from |eta|=1.4 to |eta|=4.8. The calorimeter system consists of an electromagnetic barrel calorimeter and two endcaps with electromagnetic (EMEC), hadronic (HEC) and forward (FCAL) calorimeters. The lead-liquid argon sampling technique with an accordion geometry was chosen for the barrel electromagnetic calorimeter (EMB) and adapted to the endcap (EMEC). This geometry allows a uniform acceptance over the whole azimuthal range without any gap. The hadronic endcap calorimeter (HEC) uses a copper-liquid argon sampling technique with plate geometry and is subdivided into two wheels in depth per end-cap. Finally, the forward calorimeter (FCAL) is composed of three modules featuring cylindrical electrodes ...

  3. The Small Angle Tile Calorimeter project in DELPHI

    Science.gov (United States)

    Alvsvaag, S. J.; Maeland, O. A.; Klovning, A.; Benvenuti, A. C.; Giordano, V.; Guerzoni, M.; Navarria, F. L.; Verardi, M. G.; Camporesi, T.; Vallazza, E.; Bozzo, M.; Cereseto, R.; Barreira, G.; Espirito Santo, M. C.; Maio, A.; Onofre, A.; Peralta, L.; Pimenta, M.; Tome, B.; Carling, H.; Falk, E.; Hedberg, V.; Jarlskog, G.; Kronkvist, I.; Bonesini, M.; Chignoli, F.; Ferrari, P.; Gumenyuk, S.; Leoni, R.; Mazza, R.; Negri, P.; Paganoni, M.; Petrovykh, L.; Terranova, F.; Dharmasiri, D. R.; Nossum, B.; Read, A. L.; Skaali, B.; Castellani, L.; Pegoraro, M.; Fenyuk, A.; Gouz, Yu.; Ivaniouchenkov, Yu.; Karyukhin, A.; Obraztsov, V.; Vlassov, E.; Zaitsev, A.; Bigi, M.; Cassio, V.; Gamba, D.; Migliore, E.; Romero, A.; Simonetti, L.; Torassa, E.; Trapani, P. P.; Bari, M.; Della Ricca, G.; Lanceri, L.; Poropat, P.; Prest, M.

    1995-11-01

    The new Small Angle TIIe Calorimeter (STIC) covers the forward regions in DELPHI. The main motivation for its construction was to achieve a systematic error of 0.1% on the luminosity determination. This detector consists of a "shashlik" type calorimeter, equipped with two planes of silicon pad detectors placed respectively after 4 and 7.4 radiation lengths. A veto counter, composed of two scintillator planes, covers the front of the calorimeter to allow ϱ - γ separation and to provide a neutral energy trigger. The physics motivations for this project, results from extensive testbeam measurements and the performance during the 1994 LEP run are reported here.

  4. On the electromagnetic energy resolution of Cherenkov-fiber calorimeters

    CERN Document Server

    Lundin, M; Dellacasa, G; DeSalvo, R; Gallio, M; Gorodetzky, P; Helleboid, J M; Johnson, K F; Juillot, P; Lazic, D; Musso, A; Vercellin, Ermanno; White, S

    1996-01-01

    Electromagnetic calorimeters which sample the Cherenkov radiation of shower particles in optical fibers operate in a markedly different manner from calorimeters which rely on the dE/dx of shower particles. The well-understood physics of electromagnetic shower development is applied to the case of Cherenkov-fiber calorimetry (also known as quartz fiber calorimetry) and the results of systematically performed studies are considered in detail to derive an understanding of the critical parameters involved in energy measurement using such calorimeters. A quantitative parameterization of Cherenkov-fiber calorimetry electromagnetic energy resolution is proposed and compared with existing experimental results.

  5. Precision calibration of the NuTeV calorimeter

    Science.gov (United States)

    Harris, D. A.; Yu, J.; Adams, T.; Alton, A.; Avvakumov, S.; de Barbaro, L.; de Barbaro, P.; Bernstein, R. H.; Bodek, A.; Bolton, T.; Brau, J.; Buchholz, D.; Budd, H.; Bugel, L.; Conrad, J.; Drucker, R. B.; Fleming, B. T.; Frey, R.; Formaggio, J.; Goldman, J.; Goncharov, M.; Johnson, R. A.; Kim, J. H.; Koutsoliotas, S.; Krishnaswami, G.; Lamm, M. J.; Marsh, W.; Mason, D.; McNulty, C.; McFarland, K. S.; Naples, D.; Nienaber, P.; Romosan, A.; Sakumoto, W. K.; Schellman, H.; Shaevitz, M. H.; Spentzouris, P.; Stern, E. G.; Vaitaitis, A.; Vakili, M.; Van Ark, E.; Wu, V.; Yang, U. K.; Zeller, G. P.; NuTeV Collaboration

    2000-06-01

    NuTeV is a neutrino-nucleon deep-inelastic scattering experiment at Fermilab. The detector consists of an iron-scintillator sampling calorimeter interspersed with drift chambers, followed by a muon toroidal spectrometer. We present determinations of response and resolution functions of the NuTeV calorimeter for electrons, hadrons, and muons over an energy range from 4.8 to 190 GeV. The absolute hadronic energy scale is determined to an accuracy of 0.43%. We compare our measurements to predictions from calorimeter theory and GEANT3 simulations.

  6. Precision calibration of the NuTeV calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Harris, D.A. E-mail: dharris@fnal.gov; Yu, J.; Adams, T.; Alton, A.; Avvakumov, S.; Barbaro, L. de; Barbaro, P. de; Bernstein, R.H.; Bodek, A.; Bolton, T.; Brau, J.; Buchholz, D.; Budd, H.; Bugel, L.; Conrad, J.; Drucker, R.B.; Fleming, B.T.; Frey, R.; Formaggio, J.; Goldman, J.; Goncharov, M.; Johnson, R.A.; Kim, J.H.; Koutsoliotas, S.; Krishnaswami, G.; Lamm, M.J.; Marsh, W.; Mason, D.; McNulty, C.; McFarland, K.S.; Naples, D.; Nienaber, P.; Romosan, A.; Sakumoto, W.K.; Schellman, H.; Shaevitz, M.H.; Spentzouris, P.; Stern, E.G.; Vaitaitis, A.; Vakili, M.; Ark, E. Van; Wu, V.; Yang, U.K.; Zeller, G.P

    2000-06-11

    NuTeV is a neutrino-nucleon deep-inelastic scattering experiment at Fermilab. The detector consists of an iron-scintillator sampling calorimeter interspersed with drift chambers, followed by a muon toroidal spectrometer. We present determinations of response and resolution functions of the NuTeV calorimeter for electrons, hadrons, and muons over an energy range from 4.8 to 190 GeV. The absolute hadronic energy scale is determined to an accuracy of 0.43%. We compare our measurements to predictions from calorimeter theory and GEANT3 simulations.

  7. Laser calorimeter for UV absorption measurement of dielectric thin films.

    Science.gov (United States)

    Sahoo, N K; Apparao, K V

    1992-10-01

    We describe a dual-technique laser calorimeter for measuring the absorption of dielectric thin films in the UV region below 400 nm. The instrument measures the temperature rise and absorption of a sample simultaneously by two independent techniques, namely, a resistance thermometer and a temperature transducer. The absorption constant beta and extinction coefficient kappa of Sb(2)O(3) and ZrO(2) films at 308 and 337 nm are measured by using the calorimeter. The principle, construction, and application of the calorimeter are described.

  8. sPHENIX Calorimeter Design and Jet Performance

    Energy Technology Data Exchange (ETDEWEB)

    Haggerty J. S.

    2016-09-27

    The PHENIX collaboration is planning a detector upgrade, sPHENIX, which consists of large acceptance calorimetry and tracking detectors built around the superconducting solenoid recently shipped to Brookhaven from the decommissioned BaBar experiment at SLAC. The sPHENIX calorimeter system includes three radial layers of samplingcalorimeters, a tungsten-scintillating fiber electromagnetic calorimeter, and two longitudinally segmented samplinghadron calorimeters that are made of scintillator tiles and steel plates. Together, they provide hermetic coverage in n < 1 for calorimetry based jet measurements as well as minimal bias jet trigger capability, which coupled with high resolution tracking, enable an extremely rich jet physics program at RHIC.

  9. Calorimeter/absorber optimization for a RHIC dimuon experiment

    Energy Technology Data Exchange (ETDEWEB)

    Cornell, E.W. (Vanderbilt University, Nashville, TN 37235 (United States)); Aronson, S.H. (Brookhaven National Laboratory, Upton, NY 11973 (United States)); Awes, T.C. (Oak Ridge National Laboratory, Oak Ridge, TN 37831-6372 (United States)); Chang, J. (University of California, Riverside, CA 92521 (United States)); Costales, J.B. (Lawrence Livermore National Laboratory, Livermore, CA 94550 (United States)); Ewell, L.A. (Iowa State University, Ames, IA 50011 (United States)); Fung, Y. (University of California, Riverside, CA 92521 (United States)); Gavron, A. (Los Alamos National Laboratory, Los Alamos, NM 87545 (United States)); He, X. (Oak Ridge National Laboratory, Oak Ridge, TN 37831-6372 (United States)); Hill, J.C. (Iowa State University, Ames, IA 50011 (United States)); Kang, S.J.H. (University of California, Riverside, CA 92521 (United States)); Kehoe, W.L. (Massachusetts Institute of Technology, Cambridge, MA 02139 (United States)); Kim, H. (Oak Ridge National Labo

    1994-10-15

    The RD-10/45 research and development effort on calorimeter/absorber optimization for a Relativistic Heavy Ion Collider dimuon experiment had an extended run in 1991 and 1992 at the BNL Alternating Gradient Synchrotron. Measurements were made of the leakage of 1-8 GeV/c particles behind various model hadron calorimeters. Behavior of the calorimeter/absorber as a muon-identifier was studied. Comparisons of data from the RD-10/45 experiment to results calculated with the GEANT 3.15 simulation package using the GHEISHA and FLUKA hadron shower codes were made. ((orig.))

  10. Performance of CREAM Calorimeter Results of Beam Tests

    CERN Document Server

    Ahn, H S; Beatty, J J; Bigongiari, G; Castellina, A; Childers, J T; Conklin, N B; Coutu, S; Duvernois, M A; Ganel, O; Han, J H; Hyun, H J; Kang, T G; Kim, H J; Kim, K C; Kim, M Y; Kim, T; Kim, Y J; Lee, J K; Lee, M H; Lutz, L; Maestro, P; Malinine, A; Marrocchesi, P S; Mognet, S I; Nam, S W; Nutter, S; Park, N H; Park, H; Seo, E S; Sina, R; Syed, S; Song, C; Swordy, S; Wu, J; Yang, J; Zhang, H Q; Zei, R; Zinn, S Y

    2005-01-01

    The Cosmic Ray Energetics And Mass (CREAM), a balloon-borne experiment, is under preparation for a flight in Antarctica at the end of 2004. CREAM is planned to measure the energy spectrum and composition of cosmic rays directly at energies between 1 TeV and 1000 TeV. Incident particle energies will be measured by a transition radiation detector and a sampling calorimeter. The calorimeter was constructed at the University of Maryland and tested at CERN in 2003. Performance of the calorimeter during the beam tests is reported.

  11. Simulation and validation of the ATLAS Tile Calorimeter response

    CERN Document Server

    Karpov, S N; The ATLAS collaboration

    2014-01-01

    The Tile Calorimeter is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider. Scintillation light produced in the tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The resulting electronic signals from approximately 10000 PMTs are measured and digitized before being transferred to off-detector data acquisition systems. This contribution describes the detailed simulation of this large scale calorimeter from the implementation of the geometrical elements down to the realistic description of the electronics readout pulses, the special noise treatment and the signal reconstruction. The improved description of the optical and electronic signal propagation is highlighted and the validation with the real particle data is presented.

  12. Making climate science accessible in Toledo: The linked boundary chain approach

    Directory of Open Access Journals (Sweden)

    Scott E. Kalafatis

    2015-01-01

    Full Text Available For many cities throughout the world, climate change not only presents challenges in the form of new risks and expenses, but also opportunities to connect work around climate change to other development and environmental initiatives. This study presents the City of Toledo in the heart of America’s Rust Belt as a case study of the policy process that gives rise to proactive action on climate change. Using thick description, we trace Toledo’s adaptation policy process through the lens of Kingdon’s “multiple streams” model to identify factors that have shaped the emergence of climate adaptation work around water management in Toledo. Through doing so, we give particular attention to the knowledge resources that those in the City have relied on, especially its boundary chain connection with two supporting boundary organizations: GLAA-C and GLISA. Policy entrepreneurs pushing for climate adaptation around water policy in Toledo emerged around two separate pieces of the policy process. The first entrepreneur was involved with raising general awareness about sustainability and climate change in the City’s problem stream, and the other was specifically involved with integrating climate change information into a particular aspect of the City’s policy stream, water management. While these relationships were important for mainstreaming climate change adaptation into efforts to address existing challenges, they were also representative of the City’s ability to cultivate broader partnerships around climate adaptation. Toledo’s polycentric climate change network ultimately helped the City sustain its adaptation work as it weathered its own period of internal transition.

  13. ATLAS Liquid Argon Calorimeter Module Zero

    CERN Multimedia

    1993-01-01

    This module was built and tested with beam to validate the ATLAS electromagnetic calorimeter design. One original design feature is the folding. 10 000 lead plates and electrodes are folded into an accordion shape and immersed in liquid argon. As they cross the folds, particles are slowed down by the lead. As they collide with the lead atoms, electrons and photons are ejected. There is a knock-on effect and as they continue on into the argon, a whole shower is produced. The electrodes collect up all the electrons and this signal gives a measurement of the energy of the initial particle. The M0 was fabricated by French institutes (LAL, LAPP, Saclay, Jussieu) in the years 1993-1994. It was tested in the H6/H8 beam lines in 1994, leading to the Technical Design Report in 1996.

  14. Electromagnetic Calorimeter Calibration with $\\pi^{0}$

    CERN Multimedia

    Puig Navarro, A

    2009-01-01

    Several methods can be used in order to achieve precise calibration of the LHCb Electromagnetic Calorimeter (ECAL) once reasonable cell equalization has been reached. At low transverse energy, the standard calibration procedure is an iterative method based on the fit of the $\\gamma\\gamma$ invariant mass distribution for each cell of the decay $\\pi^{0}\\to\\gamma\\gamma$ with resolved photons. A new technique for generating the combinatorial background of such decays directly from data has been developed. Knowledge of the background could allow an alternative calibration method based on a event by event fit of the same $\\gamma\\gamma$ invariant mass distribution where contributions from groups of cells are considered in a single fit. The background generation procedure and this possible new calibration method are presented in this poster, in addition to an overview of the LHCb Calorimetry system and ECAL calibration techniques.

  15. Muon Detection Based on a Hadronic Calorimeter

    CERN Document Server

    Ciodaro, Thiago; Abreu, R; Achenbach, R; Adragna, P; Aharrouche, M; Aielli, G; Al-Shabibi, A; Aleksandrov, I; Alexandrov, E; Aloisio, A; Alviggi, M G; Amorim, A; Amram, N; Andrei, V; Anduaga, X; Angelaszek, D; Anjos, N; Annovi, A; Antonelli, S; Anulli, F; Apolle, R; Aracena, I; Ask, S; Åsman, B; Avolio, G; Baak, M; Backes, M; Backlund, S; Badescu, E; Baines, J; Ballestrero, S; Banerjee, S; Bansil, H S; Barnett, B M; Bartoldus, R; Bartsch, V; Batraneanu, S; Battaglia, A; Bauss, B; Beauchemin, P; Beck, H P; Bee, C; Begel, M; Behera, P K; Bell, P; Bell, W H; Bellagamba, L; Bellomo, M; Ben Ami, S; Bendel, M; Benhammou, Y; Benslama, K; Berge, D; Bernius, C; Berry, T; Bianco, M; Biglietti, M; Blair, R E; Bogaerts, A; Bohm, C; Boisvert, V; Bold, T; Bondioli, M; Borer, C; Boscherini, D; Bosman, M; Bossini, E; Boveia, A; Bracinik, J; Brandt, A G; Brawn, I P; Brelier, B; Brenner, R; Bressler, S; Brock, R; Brooks, W K; Brown, G; Brunet, S; Bruni, A; Bruni, G; Bucci, F; Buda, S; Burckhart-Chromek, D; Buscher, V; Buttinger, W; Calvet, S; Camarri, P; Campanelli, M; Canale, V; Canelli, F; Capasso, L; Caprini, M; Caracinha, D; Caramarcu, C; Cardarelli, R; Carlino, G; Casadei, D; Casado, M P; Cattani, G; Cerri, A; Cerrito, L; Chapleau, B; Childers, J T; Chiodini, G; Christidi, I; Ciapetti, G; Cimino, D; Ciobotaru, M; Coccaro, A; Cogan, J; Collins, N J; Conde Muino, P; Conidi, C; Conventi, F; Corradi, M; Corso-Radu, A; Coura Torres, R; Cranmer, K; Crescioli, F; Crone, G; Crupi, R; Cuenca Almenar, C; Cummings, J T; Curtis, C J; Czyczula, Z; Dam, M; Damazio, D; Dao, V; Darlea, G L; Davis, A O; De Asmundis, R; De Pedis, D; De Santo, A; de Seixas, J M; Degenhardt, J; Della Pietra, M; Della Volpe, D; Demers, S; Demirkoz, B; Di Ciaccio, A; Di Mattia, A; Di Nardo, R; Di Simone, A; Diaz, M A; Dietzsch, T A; Dionisi, C; Dobson, E; Dobson, M; dos Anjos, A; Dotti, A; Dova, M T; Drake, G; Dufour, M-A; Dumitru, I; Eckweiler, S; Ehrenfeld, W; Eifert, T; Eisenhandler, E; Ellis, K V; Ellis, N; Emeliyanov, D; Enoque Ferreira de Lima, D; Ermoline, Y; Ernst, J; Etzion, E; Falciano, S; Farrington, S; Farthouat, P; Faulkner, P J W; Fedorko, W; Fellmann, D; Feng, E; Ferrag, S; Ferrari, R; Ferrer, M L; Fiorini, L; Fischer, G; Flowerdew, M J; Fonseca Martin, T; Francis, D; Fratina, S; French, S T; Front, D; Fukunaga, C; Gadomski, S; Garelli, N; Garitaonandia Elejabarrieta, H; Gaudio, G; Gee, C N P; George, S; Giagu, S; Giannetti, P; Gillman, A R; Giorgi, M; Giunta, M; Giusti, P; Goebel, M; Gonçalo, R; Gonzalez Silva, L; Göringer, C; Gorini, B; Gorini, E; Grabowska-Bold, I; Green, B; Groll, M; Guida, A; Guler, H; Haas, S; Hadavand, H; Hadley, D R; Haller, J; Hamilton, A; Hanke, P; Hansen, J R; Hasegawa, S; Hasegawa, Y; Hauser, R; Hayakawa, T; Hayden, D; Head, S; Heim, S; Hellman, S; Henke, M; Hershenhorn, A; Hidvégi, A; Hillert, S; Hillier, S J; Hirayama, S; Hod, N; Hoffmann, D; Hong, T M; Hryn'ova, T; Huston, J; Iacobucci, G; Igonkina, O; Ikeno, M; Ilchenko, Y; Ishikawa, A; Ishino, M; Iwasaki, H; Izzo, V; Jez, P; Jimenez Otero, S; Johansen, M; Johns, K; Jones, G; Joos, M; Kadlecik, P; Kajomovitz, E; Kanaya, N; Kanega, F; Kanno, T; Kapliy, A; Kaushik, V; Kawagoe, K; Kawamoto, T; Kazarov, A; Kehoe, R; Kessoku, K; Khomich, A; Khoriauli, G; Kieft, G; Kirk, J; Klemetti, M; Klofver, P; Klous, S; Kluge, E-E; Kobayashi, T; Koeneke, K; Koletsou, I; Koll, J D; Kolos, S; Kono, T; Konoplich, R; Konstantinidis, N; Korcyl, K; Kordas, K; Kotov, V; Kowalewski, R V; Krasznahorkay, A; Kraus, J; Kreisel, A; Kubota, T; Kugel, A; Kunkle, J; Kurashige, H; Kuze, M; Kwee, R; Laforge, B; Landon, M; Lane, J; Lankford, A J; Laranjeira Lima, S M; Larner, A; Leahu, L; Lehmann Miotto, G; Lei, X; Lellouch, D; Levinson, L; Li, S; Liberti, B; Lilley, J N; Linnemann, J T; Lipeles, E; Lohse, T; Losada, M; Lowe, A; Luci, C; Luminari, L; Lundberg, J; Lupu, N; Machado Miguéns, J; Mackeprang, R; Maettig, S; Magnoni, L; Maiani, C; Maltrana, D; Mangeard, P-S; Männer, R; Mapelli, L; Marchese, F; Marino, C; Martin, B; Martin, B T; Martin, T; Martyniuk, A; Marzano, F; Masik, J; Mastrandrea, P; Matsushita, T; McCarn, A; Mechnich, J; Medinnis, M; Meier, K; Melachrinos, C; Mendoza Nava, L M; Merola, L; Messina, A; Meyer, C P; Middleton, R P; Mikenberg, G; Mills, C M; Mincer, A; Mineev, M; Misiejuk, A; Moa, T; Moenig, K; Monk, J; Monticelli, F; Mora Herrera, C; Morettini, P; Morris, J D; Müller, F; Munwes, Y; Murillo Garcia, R; Nagano, K; Nagasaka, Y; Navarro, G A; Negri, A; Nelson, S; Nemethy, P; Neubauer, M S; Neusiedl, A; Newman, P; Nisati, A; Nomoto, H; Nozaki, M; Nozicka, M; Nurse, E; Ochando, C; Ochi, A; Oda, S; Oh, A; Ohm, C; Okumura, Y; Olivito, D; Omachi, C; Osculati, B; Oshita, H; Ospanov, R; Owen, M A; Özcan, V E; Ozone, K; Padilla, C; Panes, B; Panikashvili, N; Paramonov, A; Parodi, F; Pasqualucci, E; Pastore, F; Patricelli, S; Pauly, T; Perera, V J O; Perez, E; Petcu, M; Petersen, B A; Petersen, J; Petrolo, E; Phan, A; Piegaia, R; Pilkington, A; Pinder, A; Poddar, S; Polini, A; Pope, B G; Potter, C T; Primavera, M; Prokoshin, F; Ptacek, E; Qian, W; Quinonez, F; Rajagopalan, S; Ramos Dos Santos Neves, R; Reinherz-Aronis, E; Reinsch, A; Renkel, P; Rescigno, M; Rieke, S; Riu, I; Robertson, S H; Robinson, M; Rodriguez, D; Roich, A; Romeo, G; Romero, R; Roos, L; Ruiz Martinez, A; Ryabov, Y; Ryan, P; Saavedra, A; Safai Tehrani, F; Sakamoto, H; Salamanna, G; Salamon, A; Saland, J; Salnikov, A; Salvatore, F; Sankey, D P C; Santamarina, C; Santonico, R; Sarkisyan-Grinbaum, E; Sasaki, O; Savu, D; Scannicchio, D A; Schäfer, U; Scharf, V L; Scheirich, D; Schiavi, C; Schlereth, J; Schmitt, K; Schroder, C; Schroer, N; Schultz-Coulon, H-C; Schwienhorst, R; Sekhniaidze, G; Sfyrla, A; Shamim, M; Sherman, D; Shimojima, M; Shochet, M; Shooltz, D; Sidoti, A; Silbert, O; Silverstein, S; Sinev, N; Siragusa, G; Sivoklokov, S; Sjoen, R; Sjölin, J; Slagle, K; Sloper, J E; Smith, B C; Soffer, A; Soloviev, I; Spagnolo, S; Spiwoks, R; Staley, R J; Stamen, R; Stancu, S; Steinberg, P; Stelzer, J; Stockton, M C; Straessner, A; Strauss, E A; Strom, D; Su, D; Sugaya, Y; Sugimoto, T; Sushkov, S; Sutton, M R; Suzuki, Y; Taffard, A; Taiblum, N; Takahashi, Y; Takeda, H; Takeshita, T; Tamsett, M; Tan, C L A; Tanaka, S; Tapprogge, S; Tarem, S; Tarem, Z; Taylor, C; Teixeira-Dias, P; Thomas, J P; Thompson, P D; Thomson, M A; Tokushuku, K; Tollefson, K; Tomoto, M; Topfel, C; Torrence, E; Touchard, F; Traynor, D; Tremblet, L; Tricoli, A; Tripiana, M; Triplett, N; True, P; Tsiakiris, M; Tsuno, S; Tuggle, J; Ünel, G; Urquijo, P; Urrejola, P; Usai, G; Vachon, B; Vallecorsa, S; Valsan, L; Vandelli, W; Vari, R; Vaz Gil Lopes, L; Veneziano, S; Ventura, A; Venturi, N; Vercesi, V; Vermeulen, J C; Volpi, G; Vorwerk, V; Wagner, P; Wang, M; Warburton, A; Watkins, P M; Watson, A T; Watson, M; Weber, P; Weidberg, A R; Wengler, T; Werner, P; Werth, M; Wessels, M; White, M; Whiteson, D; Wickens, F J; Wiedenmann, W; Wielers, M; Winklmeier, F; Woods, K S; Wu, S-L; Wu, X; Xaplanteris Karampatsos, L; Xella, S; Yakovlev, A; Yamazaki, Y; Yang, U; Yasu, Y; Yuan, L; Zaitsev, A; Zanello, L; Zhang, H; Zhang, J; Zhao, L; Zobernig, H; zur Nedden, M

    2010-01-01

    The TileCal hadronic calorimeter provides a muon signal which can be used to assist in muon tagging at the ATLAS level-one trigger. Originally, the muon signal was conceived to be combined with the RPC trigger in order to reduce unforeseen high trigger rates due to cavern background. Nevertheless, the combined trigger cannot significantly deteriorate the muon detection performance at the barrel region. This paper presents preliminary studies concerning the impact in muon identification at the ATLAS level-one trigger, through the use of Monte Carlo simulations with single muons with 40 GeV/c momentum. Further, different trigger scenarios were proposed, together with an approach for matching both TileCal and RPC geometries.

  16. Calorimeter Simulation with Hadrons in CMS

    Energy Technology Data Exchange (ETDEWEB)

    Piperov, Stefan; /Sofiya, Inst. Nucl. Res. /Fermilab

    2008-11-01

    CMS is using Geant4 to simulate the detector setup for the forthcoming data from the LHC. Validation of physics processes inside Geant4 is a major concern in view of getting a proper description of jets and missing energy for signal and background events. This is done by carrying out an extensive studies with test beam using the prototypes or real detector modules of the CMS calorimeter. These data are matched with Geant4 predictions using the same framework that is used for the entire CMS detector. Tuning of the Geant4 models is carried out and steps to be used in reproducing detector signals are defined in view of measurements of energy response, energy resolution, transverse and longitudinal shower profiles for a variety of hadron beams over a broad energy spectrum between 2 to 300 GeV/c. The tuned Monte Carlo predictions match many of these measurements within systematic uncertainties.

  17. A Spanish Bishop Remembers the Future: Oral Traditions and Purgatory in Julian of Toledo

    Directory of Open Access Journals (Sweden)

    Nancy P. Stork

    2008-03-01

    Full Text Available Stork considers Bishop Julian of Toledo and his seventh-century creation of one of the most influential works on Purgatory, the _Prognosticon Futuri Saeculi_. Enormously popular in Western Europe, it provided a convenient compendium of source material used by preachers and theologians for centuries. Though the work itself consists of citations from Patristic authors, Julian’s preface and the titles to each section reveal how, in a sort of spiritual “convivium” with his friend Idalius, he initially composed the book from memory. Surviving manuscripts show how the text was studied and transmitted in early monastic school settings.

  18. Adolescentes intelectualmente bien dotados. Una investigación en la provincia de Toledo.

    OpenAIRE

    Hume Figueroa, Miriam; Sánchez Núñez, María Trinidad

    2004-01-01

    Este artículo sintetiza los resultados de una investigación sobre identificación de alumnos intelectualmente bien dotados de 1º de E.S.O. en la provincia de Toledo, que comienza en mayo de 1993 y que todavía está en curso. Mediante el método de filtrado o screening aplicamos la prueba Matrices Progresivas de Raven a casi 6.000 alumnos del curso mencionado. Escogimos la franja de alumnos que se situaba muy por encima de la media, según los resultados de dicha prueba, para realizar un estudio m...

  19. Lienzos de José Moreno para el retablo del Santo Cristo de la Sangre de Torrijos (Toledo

    Directory of Open Access Journals (Sweden)

    Gutiérrez Pastor, Ismael

    2009-12-01

    Full Text Available In this article the author continues his studies of the life and work of José Moreno (Madrid, c. 1630/1637 - Burgos, 1677. Three unknown canvases from the altarpiece of the Hospital del Santo Cristo de la Sangre of Torrijos (Toledo, painted in 1667, are here presented and studied.

    Continuación de los estudios del autor sobre la biografía y la obra de José Moreno (Madrid, c 1630/1637 - Burgos, 1677. Da a conocer y estudia los tres lienzos desconocidos del retablo mayor del Hospital del Santo Cristo de la Sangre de Torrijos (Toledo, pintados en 1667.

  20. The basilica of Santa Leocadia and the end of use of the Roman Circus of Toledo: a new interpretation

    Directory of Open Access Journals (Sweden)

    Josep María GURT I ESPARRAGUERA

    2012-07-01

    Full Text Available Following the excavations of Prof. Pere Palol conducted in the early seventies in the Cristo de la Vega de Toledo, highlighted the existence of a late antique necropolis and a building in the area, which was associated with the location of the basilica of Santa Leocadia. The existence of this basilica and its constructive process are fundamental aspects of this study to examine one of the milestones of early Christianity in the city and its relationship with the Vega Baja of Toledo.

  1. Advanced Thin Ionization Calorimeter (ATIC) Balloon Experiment

    Science.gov (United States)

    Wefel, John P.; Guzik, T. Gregory

    2001-01-01

    During grant NAG5-5064, Louisiana State University (LSU) led the ATIC team in the development, construction, testing, accelerator validation, pre-deployment integration and flight operations of the Advanced Thin Ionization Calorimeter (ATIC) Balloon Experiment. This involved interfacing among the ATIC collaborators (UMD, NRL/MSFC, SU, MSU, WI, SNU) to develop a new balloon payload based upon a fully active calorimeter, a carbon target, a scintillator strip hodoscope and a pixilated silicon solid state detector for a detailed investigation of the very high energy cosmic rays to energies beyond 10(exp 14) eV/nucleus. It is in this very high energy region that theory predicts changes in composition and energy spectra related to the Supernova Remnant Acceleration model for cosmic rays below the "knee" in the all-particle spectrum. This report provides a documentation list, details the anticipated ATIC science return, describes the particle detection principles on which the experiment is based, summarizes the simulation results for the system, describes the validation work at the CERN SPS accelerator and details the balloon flight configuration. The ATIC experiment had a very successful LDB flight from McMurdo, Antarctica in 12/00 - 1/01. The instrument performed well for the entire 15 days. Preliminary data analysis shows acceptable charge resolution and an all-particle power law energy deposition distribution not inconsistent with previous measurements. Detailed analysis is underway and will result in new data on the cosmic ray charge and energy spectra in the GeV - TeV energy range. ATIC is currently being refurbished in anticipation of another LDB flight in the 2002-03 period.

  2. Electromagnetic response of a highly granular hadronic calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Adloff, C.; Blaha, J.; Blaising, J.J. [Savoie Univ., CNRS/IN2P3, Annecy-le-Vieux (FR). Lab. d' Annecy-le-Vieux de Physique des Particules] (and others)

    2010-12-15

    The CALICE collaboration is studying the design of high performance electromagnetic and hadronic calorimeters for future International Linear Collider detectors. For the hadronic calorimeter, one option is a highly granular sampling calorimeter with steel as absorber and scintillator layers as active material. High granularity is obtained by segmenting the scintillator into small tiles individually read out via silicon photo-multipliers (SiPM). A prototype has been built, consisting of thirty-eight sensitive layers, segmented into about eight thousand channels. In 2007 the prototype was exposed to positrons and hadrons using the CERN SPS beam, covering a wide range of beam energies and incidence angles. The challenge of cell equalization and calibration of such a large number of channels is best validated using electromagnetic processes. The response of the prototype steel-scintillator calorimeter, including linearity and uniformity, to electrons is investigated and described. (orig.)

  3. Test beam results from the CMS electromagnetic calorimeter

    CERN Document Server

    Brunelière, R

    2004-01-01

    A precision lead tungstate crystal calorimeter is being constructed by the CMS collaboration. As a key part of the future CMS detector at the LHC, the electromagnetic calorimeter will play a major role in probing electroweak symmetry-breaking and searches for new physics. In order to check that the required performance of the electromagnetic calorimeter is attainable, every prototype is tested in real conditions within a beam of particles. In 2003 two modules of the electromagnetic calorimeter featuring the final mechanical design and electronic architecture have been tested with two different versions of the front-end electronics. In this paper a review of the main results of test beam campaigns in 2002 and 2003 are given. (7 refs).

  4. Electromagnetic response of a highly granular hadronic calorimeter

    CERN Document Server

    Adloff, C; Blaising, J-J; Drancourt, C; Espargilière, A; Gaglione, R; Geffroy, N; Karyotakis, Y; Prast, J; Vouters, G; Francis, K; Repond, J; Smith, J; Xia, L; Baldolemar, E; Li, J; Park, S T; Sosebee, M; White, A P; Yu, J; Mikami, Y; Goto, N K Watson T; Mavromanolakis, G; Thomson, M A; Yan, D R Ward W; Benyamna, M; Cârloganu, C; Fehr, F; Gay, P; Manen, S; Royer, L; Blazey, G C; Dyshkant, A; Lima, J G R; Zutshi, V; Hostachy, J-Y; Morin, L; Cornett, U; David, D; Fabbri, R; Falley, G; Gadow, K; Garutti, E; Göttlicher, P; Günter, C; Karstensen, S; Krivan, F; Lucaci-Timoce, A-I; Lu, S; Lutz, B; Marchesini, I; Meyer, N; Morozov, S; Morgunov, V; Reinecke, M; Sefkow, F; Smirnov, P; Terwort, M; Vargas-Trevino, A; Wattimena, N; Wendt, O; Feege, N; Haller, J; Richter, S; Eckert, J Samson P; Kaplan, A; Schultz-Coulon, H-Ch; Shen, W; Stamen, R; Tadday, A; Bilki, B; Norbeck, E; Onel, Y; Wilson, G W; Kawagoe, K; Uozumi, S; Ballin, J A; Dauncey, P D; Magnan, A -M; Yilmaz, H S; Zorba, O; Bartsch, V; Postranecky, M; Warren, M; Wing, M; Salvatore, F; Alamillo, E Calvo; Fouz, M -C; Puerta-Pelayo, J; Balagura, V; Bobchenko, B; Chadeeva, M; Danilov, M; Epifantsev, A; Markin, O; Mizuk, R; Novikov, E; Rusinov, V; Tarkovsky, E; Soloviev, Y; Kozlov, V; Buzhan, P; Dolgoshein, B; Ilyin, A; Kantserov, V; Kaplin, V; Karakash, A; Popova, E; Smirnov, S; Frey, A; Kiesling, C; Seidel, K; Simon, F; Soldner, C; Weuste, L; Bonis, J; Bouquet, B; Callier, S; Cornebise, P; Doublet, Ph; Dulucq, F; Faucci Giannelli, M; Fleury, J; Guilhem, G; Li, H; Martin-Chassard, G; Richard, F; de la Taille, Ch; Pöschl, R; Raux, L; Seguin-Moreau, N; Wicek, F; Anduze, M; Boudry, V; Brient, J-C; Jeans, D; Mora de Freitas, P; Musat, G; Reinhard, M; Ruan, M; Videau, H; Bulanek, B; Zacek, J; Cvach, J; Gallus, P; Havranek, M; Janata, M; Kvasnicka, J; Lednicky, D; Marcisovsky, M; Polak, I; Popule, J; Tomasek, L; Tomasek, M; Ruzicka, P; Sicho, P; Smolik, J; Vrba, V; Zalesak, J; Belhorma, B; Ghazlane, H; Kotera, K; Nishiyama, M; Takeshita, T; Tozuka, S

    2010-01-01

    The CALICE collaboration is studying the design of high performance electromagnetic and hadronic calorimeters for future International Linear Collider detectors. For the hadronic calorimeter, one option is a highly granular sampling calorimeter with steel as absorber and scintillator layers as active material. High granularity is obtained by segmenting the scintillator into small tiles individually read out via silicon photo-multipliers (SiPM). A prototype has been built, consisting of thirty-eight sensitive layers, segmented into about eight thousand channels. In 2007 the prototype was exposed to positrons and hadrons using the CERN SPS beam, covering a wide range of beam energies and incidence angles. The challenge of cell equalization and calibration of such a large number of channels is best validated using electromagnetic processes. The response of the prototype steel-scintillator calorimeter, including linearity and uniformity, to electrons is investigated and described.

  5. Electron identification in and performance of the ND280 Calorimeter

    CERN Document Server

    Carver, Antony

    T2K is an o axis neutrino beam experiment with a baseline of 295 km to the far detector, Super-Kamiokande. The near detector, ND280, measures the ux and energy spectra of electron and muon neutrinos in the direction of Super-Kamiokande. An electromagnetic calorimeter constructed from lead and scintillator surrounds the inner detector. Three time projection chambers and two ne grained scintillator detectors sit inside the calorimeter. This thesis describes the development of a particle identification algorithm for the calorimeter and studies how it can enhance a simple electron neutrino analysis. A particle identification algorithm was written for the electromagnetic calorimeter to separate minimally ionising particles, electromagnetic and hadronic showers. A Monte Carlo study suggested that the algorithm produced an electron sample with a relative muon contamination of 10+-2 whilst maintaining an electron efficiency of 80%. Data collected at CERN was then used to make comparisons between the Monte Carlo simul...

  6. Quantum Calorimeters Based on HgCdTe Alloys Project

    Data.gov (United States)

    National Aeronautics and Space Administration — NASA's next generation of x-ray observation missions require x-ray calorimeters with superior energy resolution. Semimetallic HgTe has already proven itself as an...

  7. Design, Performance and Calibration of the CMS Forward Calorimeter Wedges

    CERN Document Server

    Baiatian, G; Emeliantchik, Igor; Massolov, V; Shumeiko, Nikolai; Stefanovich, R; Damgov, Jordan; Dimitrov, Lubomir; Genchev, Vladimir; Piperov, Stefan; Vankov, Ivan; Litov, Leander; Bencze, Gyorgy; Laszlo, Andras; Pal, Andras; Vesztergombi, Gyorgy; Zálán, Peter; Fenyvesi, Andras; Bawa, Harinder Singh; Beri, Suman Bala; Bhatnager, V; Kaur, Manjit; Kumar, Arun; Kohli, Jatinder Mohan; Singh, Jas Bir; Acharya, Bannaje Sripathi; Chendvankar, Sanjay; Dugad, Shashikant; Kalmani, Suresh Devendrappa; Katta, S; Mazumdar, Kajari; Mondal, Naba Kumar; Nagaraj, P; Patil, Mandakini Ravindra; Reddy, L V; Satyanarayana, B; Sharma, Seema; Verma, Piyush; Hashemi, Majid; Mohammadi-Najafabadi, M; Paktinat, S; Babich, Kanstantsin; Golutvin, Igor; Kalagin, Vladimir; Kosarev, Ivan; Ladygin, Vladimir; Meshcheryakov, Gleb; Moissenz, P; Petrosian, A; Rogalev, Evgueni; Sergeyev, S; Smirnov, Vitaly; Vishnevski, A V; Volodko, Anton; Zarubin, Anatoli; Gavrilov, Vladimir; Gershtein, Yuri; Ilyina, N P; Kaftanov, Vitali; Kisselevich, I; Kolossov, V; Krokhotin, Andrey; Kuleshov, Sergey; Litvintsev, Dmitri; Oulyanov, A; Safronov, S; Semenov, Sergey; Stolin, Viatcheslav; Gribushin, Andrey; Demianov, A; Kodolova, Olga; Petrushanko, Sergey; Sarycheva, Ludmila; Teplov, Konstantin; Vardanyan, Irina; Yershov, A A; Abramov, Victor; Goncharov, Petr; Kalinin, Alexey; Korablev, Andrey; Khmelnikov, V A; Korneev, Yury; Krinitsyn, Alexander; Kryshkin, V; Lukanin, Vladimir; Pikalov, Vladimir; Ryazanov, Anton; Talov, Vladimir; Turchanovich, L K; Volkov, Alexey; Camporesi, Tiziano; De Visser, Theo; Vlassov, E; Aydin, Sezgin; Bakirci, Mustafa Numan; Cerci, Salim; Dumanoglu, Isa; Eskut, Eda; Kayis-Topaksu, A; Koylu, S; Kurt, Pelin; Kuzucu, A; Onengüt, G; Ozdes-Koca, N; Ozkurt, Halil; Sogut, Kenan; Topakli, Huseyin; Vergili, Mehmet; Yetkin, Taylan; Cankocak, Kerem; Gamsizkan, Halil; Ozkan, Cigdem; Sekmen, Sezen; Serin-Zeyrek, M; Sever, Ramazan; Yazgan, Efe; Zeyrek, Mehmet; Deliomeroglu, Mehmet; Dindar, Kamile; Gülmez, Erhan; Isiksal, Engin; Kaya, Mithat; Ozkorucuklu, Suat; Levchuk, Leonid; Sorokin, Pavel; Grinev, B; Lubinsky, V; Senchyshyn, Vitaliy; Anderson, E Walter; Hauptman, John M; Elias, John E; Freeman, Jim; Green, Dan; Heering, Arjan Hendrix; Lazic, Dragoslav; Los, Serguei; Ronzhin, Anatoly; Suzuki, Ichiro; Vidal, Richard; Whitmore, Juliana; Antchev, Georgy; Arcidy, M; Hazen, Eric; Lawlor, C; Machado, Emanuel; Posch, C; Rohlf, James; Sulak, Lawrence; Varela, F; Wu, Shouxiang; Adams, Mark Raymond; Burchesky, Kyle; Qiang, W; Abdullin, Salavat; Baden, Drew; Bard, Robert; Eno, Sarah Catherine; Grassi, Tullio; Jarvis, Chad; Kellogg, Richard G; Kunori, Shuichi; Mans, Jeremy; Skuja, Andris; Wang, Lei; Wetstein, Matthew; Ayan, S; Akgun, Ugur; Duru, Firdevs; Merlo, Jean-Pierre; Mestvirishvili, Alexi; Miller, Michael; Norbeck, Edwin; Olson, Jonathan; Onel, Yasar; Schmidt, Ianos; Akchurin, Nural; Carrell, Kenneth Wayne; Gumus, Kazim; Kim, Heejong; Spezziga, Mario; Thomas, Ray; Wigmans, Richard; Baarmand, Marc M; Mermerkaya, Hamit; Vodopyanov, I; Kramer, Laird; Linn, Stephan; Markowitz, Pete; Martínez, German; Cushman, Priscilla; Ma, Yousi; Sherwood, Brian; Cremaldi, Lucien Marcus; Reidy, Jim; Sanders, David A; Fisher, Wade Cameron; Tully, Christopher; Hagopian, Sharon; Hagopian, Vasken; Johnson, Kurtis F; Barnes, Virgil E; Laasanen, Alvin T; Pompos, Arnold

    2008-01-01

    We report on the test beam results and calibration methods using charged particles of the CMS Forward Calorimeter (HF). The HF calorimeter covers a large pseudorapidity region (3\\l |\\eta| \\le 5), and is essential for large number of physics channels with missing transverse energy. It is also expected to play a prominent role in the measurement of forward tagging jets in weak boson fusion channels. The HF calorimeter is based on steel absorber with embedded fused-silica-core optical fibers where Cherenkov radiation forms the basis of signal generation. Thus, the detector is essentially sensitive only to the electromagnetic shower core and is highly non-compensating (e/h \\approx 5). This feature is also manifest in narrow and relatively short showers compared to similar calorimeters based on ionization. The choice of fused-silica optical fibers as active material is dictated by its exceptional radiation hardness. The electromagnetic energy resolution is dominated by photoelectron statistics and can be expressed...

  8. Calibration of the CMS Hadron Calorimeter in Run 2

    CERN Document Server

    Chadeeva, Marina

    2017-01-01

    Various calibration techniques for the CMS Hadron calorimeter in Run2 and the results of calibration using 2016 collision data are presented. The radiation damage corrections, intercalibration of different channels using the phi-symmetry technique for barrel, endcap and forward calorimeter regions are described, as well as the intercalibration with muons of the outer hadron calorimeter. The achieved intercalibration precision is within 3\\%. The {\\it in situ} energy scale calibration is performed in the barrel and endcap regions using isolated charged hadrons and in the forward calorimeter using the Z$\\rightarrow ee$ process. The impact of pileup and the developed technique of correction for pileup is also discussed. The achieved uncertainty of the response to hadrons is 3.4\\% in the barrel and 2.6\\% in the endcap region (at $\\vert \\eta \\vert < 2$) and is dominated by the systematic uncertainty due to pileup contributions.

  9. The ATLAS Tile Calorimeter performance at the LHC

    CERN Document Server

    Calkins, R; The ATLAS collaboration

    2011-01-01

    The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. Due to the very good muon signal to noise ratio it assists the spectrometer in the identification and reconstruction of muons. TileCal is built of steel and scintillating tiles coupled to optical fibers and read out by photo-multipliers. The calorimeter is equipped with systems that allow to monitor and to calibrate each stage of the readout system exploiting different signal sources: laser light, charge injection and a radioactive source. The performance of the calorimeter has been measured and monitored using calibration data, random triggered data, cosmic muons, splash events and more importantly LHC collision events. The results presented here assess the absolute energy scale calibration precision, the energy and timing uniformity and the synchronization precision. The ensemble of the results demo...

  10. High luminosity liquid-argon calorimeter test beam

    Energy Technology Data Exchange (ETDEWEB)

    Novgorodova, Olga; Straessner, Arno [TU Dresden, IKTP (Germany)

    2016-07-01

    In the future HL-LHC the luminosity will increase by factor of 5-7 with respect to the original LHC design. The HiLum collaboration studied the impact on small-sized modules of the ATLAS electromagnetic, hadronic, and forward calorimeters also instrumented by various intensity and position detectors. The intensity of beam varied over a wide range (10{sup 6} to 10{sup 12} p/s) and beyond the maximum expected at HL-LHC for these calorimeters. Results from the last test beam campaign in 2013 on the signal shape analysis from the calorimeter modules are compared with MC simulations. The correlation between high-voltage return currents of the electromagnetic calorimeter and beam intensity is used to estimate critical parameters and compared with predictions.

  11. Simulation and validation of the ATLAS Tile Calorimeter at LHC

    CERN Document Server

    Artamonov, A; The ATLAS collaboration

    2013-01-01

    --Simulation and validation of the ATLAS Tile Calorimeter at LHC TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. This sampling calorimeter uses iron plates as absorber and plastic scintillating tiles as the active material. Scintillation light produced in the tiles is transmitted by wavelength shifting fibres to photomultiplier tubes (PMTs). The resulting electronic signals from the approximately 10000 PMTs are measured and digitized every 25 ns before being transferred to off-detector data-acquisition systems. This contribution describes the detailed simulation of this large scale calorimeter from the implementation of the geometrical elements down to the realistic description of the electronics readout pulses, the special noise treatment and the signal reconstruction. Detector non-uniformities and imperfections are also represented. Detailed validation has shown that the simulated detector response characteristics have been successfully integrated and...

  12. Geant4 simulations of the lead fluoride calorimeter

    CERN Document Server

    Savchenko, A A; Dabagov, S B; Anastasi, A; Venanzoni, G; Strikhanov, M N

    2016-01-01

    In this paper we simulate the emission by charged particles in complex structures with help of Geant4. We take into account Cherenkov radiation, transition radiation, bremsstrahlung, pair production and other accompanying processes. As an application we investigate the full size electromagnetic calorimeter for the muon g-2 experiment at Fermilab. A calorimeter module (24 are expected in the experiment) consists of a Delrin front panel for installation of the laser calibration system, 54 PbF2 Cherenkov crystals wrapped by the black Millipore paper, and silicon photo-multiplier sensors. We report here on a simulation of radiation from positrons passing through the calorimeter system. We carry out the simulation using Geant4 toolkit, which provides a complete set of tools for all areas of detector simulation: geometry, tracking, detector response, run, event and track management, and visualization. We consider Cherenkov photons expansion when a positron moves down through the calorimeter at the arbitrary angle o...

  13. LHCb: First year of running for the LHCb calorimeter system

    CERN Multimedia

    Guz, Y

    2011-01-01

    The LHCb experiment is dedicated to precision measurements of CP violation and rare decays of B hadrons at the Large Hadron Collider (LHC) at CERN (Geneva) [1, 2]. LHCb is a single-arm spectrometer with a forward angular coverage from approximately 10 mrad to 300 mrad. It comprises a calorimeter system composed of four subdetectors [3]. It selects transverse energy hadron, electron and photon candidates for the first trigger level (L0), which makes a decision 4µs after the interaction. It provides the identification of electrons, photons and hadrons as well as the measurement of their energies and positions. The set of constraints resulting from these functionalities defines the general structure and the main characteristics of the calorimeter system and its associated electronics. A classical structure of an electromagnetic calorimeter (ECAL) followed by a hadron calorimeter (HCAL) has been adopted. In addition the system includes in front of them the Scintillating Pad Detector (SPD) and Pre-Showe...

  14. Closing LHCb's calorimeter around the beam-pipe

    CERN Multimedia

    Kristic, R

    2008-01-01

    Photos 1 and 2 show the pre-shower, lead absorber and the scintillating pad detector layers moving in towards the beam-pipe. Photos 3,4 and 5 show the hadron calorimeter with both halves closed around the beam-pipe, to the left of the picture and, in the centre, half of the electromagnetic calorimeter closed in towards the beam-pipe.

  15. A 3000 element lead-glass electromagnetic calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Crittenden, R.R.; Dzierba, A.R.; Gunter, J.; Lindenbusch, R.; Rust, D.R.; Scott, E.; Smith, P.T.; Sulanke, T.; Teige, S.; Brabson, B.B.; Adams, T.; Bishop, J.M.; Cason, N.M.; LoSecco, J.M.; Manak, J.J.; Sanjari, A.H.; Shephard, W.D.; Steinike, D.L.; Taegar, S.A.; Thompson, D.R.; Chung, S.U.; Hackenburg, R.W.; Olchanski, C.; Weygand, D.P.; Willutzki, H.J.; Denisov, S.; Dushkin, A.; Kochetkov, V.; Lipaev, V.; Popov, A.; Shein, I.; Soldatov, A.; Bar-Yam, Z.; Cummings, J.P.; Dowd, J.P.; Eugenio, P.; Hayek, M.; Kern, W.; King, E.; Anoshina, E.V.; Bodyagin, V.A.; Demianov, A.I.; Gribushin, A.M.; Kodolova, O.L.; Korotkikh, V.L.; Kostin, M.A.; Ostrovidov, A.I.; Sarycheva, L.I.; Sinev, N.B.; Vardanyan, I.N.; Yershov, A.A.; Brown, D.S.; Pedlar, T.K.; Seth, K.K.; Wise, J.; Zhao, D.; Adams, G.S.; Napolitano, J.; Nozar, M.; Smith, J.A.; Witkowski, M. [Indiana Univ., Bloomington, IN (United States). Dept. of Phys.]|[Department of Physics, University of Notre Dame, Notre Dame, IN 46556 (United States)]|[Department of Physics, Brookhaven National Laboratory, Upton, NY 11973 (United States)]|[Institute for High Energy Physics, Protvino (Russian Federation)]|[Department of Physics, University of Massachusetts Dartmouth, North Dartmouth, MA 02747 (United States)]|[Institute for Nuclear Physics, Moscow State University, Moscow (Russian Federation)]|[Department of Physics, Northwestern University, Evanston, IL 60208 (United States)]|[Department of Physics, Rensselaer Polytechnic Institute, Troy, NY 12180 (United States)

    1997-03-11

    A 3045 element lead glass calorimeter and an associated fast trigger processor have been constructed, tested and implemented in BNL experiment E852 in conjunction with the multi-particle spectrometer (MPS). Approximately, 10{sup 9} all-neutral and neutral plus charged triggers were recorded with this apparatus during data runs in 1994 and 1995. This paper reports on the construction, testing and performance of this lead glass calorimeter and the associated trigger processor. (orig.).

  16. Imaging Calorimeter: What Have We Learned So Far

    Science.gov (United States)

    Xia, Lei

    Particle Flow Algorithms (PFAs) have been applied to existing detectors to improve the measurement of hadronic jets in colliding beam experiments. For future experiments, such as a TeV lepton collider, detector concepts optimized for the application of PFAs are being developed. These concepts require so-called imaging calorimeters, with unprecedented granularity. We will review the various recent developments of such highly granular calorimeters.

  17. The PHENIX PbSc calorimeter and its performance

    Energy Technology Data Exchange (ETDEWEB)

    David, G.; Goto, Y.; Kistenev, E. [and others

    1997-11-01

    The authors have recently completed the production of the 15552 channel PbSc Electromagnetic calorimeter for the PHENIX experiment at RHIC. The design features a single 4 tower module which is repeated throughout and which was produced with a number of QC steps designed to achieve consistent, large light yield in all channels. They present results on uniformity of the calorimeter, accuracy of a cosmic muon based precalibration scheme and test beam performance.

  18. Calorimeter Cell Energy Thresholds for Jet Reconstruction in CMS

    CERN Document Server

    Demina, Regina; Justus, Christopher; Tipton, Paul; Zielinski, Marek; Bhatti, Anwar; Harris, Robert M

    2006-01-01

    We have investigated the characteristics of calorimeter noise and its impact on reconstruction of low-\\PT\\ jets. We have proposed new thresholds for calorimeter cell energies, which can be applied when creating towers for reconstruction of jets and missing \\ET\\ (MET). The values of proposed thresholds are effective in reducing noise contributions to jets, while removing less real jet energy than the often-used cuts on whole towers.

  19. Simulation of hadronic showers in the ATLAS liquid argon calorimeters

    CERN Document Server

    Kiryunin, A E; Strízenec, P; Kish, J; Loch, P; Mazini, R

    2002-01-01

    Results of Geant4 based simulations of the response of the ATLAS hadronic end-cap calorimeter to charged pions are presented. The first results of hadronic simulations with Geant4 for the ATLAS forward calorimeter are shown as well. Predictions of Geant4 and Geant3 on energy response and resolution for charged pions are compared. Where it is possible, the comparison with experimental results of beam tests is done. (6 refs).

  20. Data volume reduction strategies in the CMS electromagnetic calorimeter

    CERN Document Server

    Paganini, P

    2002-01-01

    The electromagnetic calorimeter of CMS consists of a barrel and two endcap calorimeters containing a sum of over 80000 lead tungstate crystals. If all the crystals were to be read-out in a triggered event, the total amount of ECAL data would excess by a factor 20 the CMS data acquisition system limits allowed for ECAL. This paper presents the strategies developed by CMS in order to reduce the ECAL data volume to the required level. (5 refs).

  1. Performance and Operation of the CMS Electromagnetic Calorimeter

    CERN Document Server

    Chatrchyan, S; Sirunyan, A M; Adam, W; Arnold, B; Bergauer, H; Bergauer, T; Dragicevic, M; Eichberger, M; Erö, J; Friedl, M; Frühwirth, R; Ghete, V M; Hammer, J; Hänsel, S; Hoch, M; Hörmann, N; Hrubec, J; Jeitler, M; Kasieczka, G; Kastner, K; Krammer, M; Liko, D; Magrans de Abril, I; Mikulec, I; Mittermayr, F; Neuherz, B; Oberegger, M; Padrta, M; Pernicka, M; Rohringer, H; Schmid, S; Schöfbeck, R; Schreiner, T; Stark, R; Steininger, H; Strauss, J; Taurok, A; Teischinger, F; Themel, T; Uhl, D; Wagner, P; Waltenberger, W; Walzel, G; Widl, E; Wulz, C E; Chekhovsky, V; Dvornikov, O; Emeliantchik, I; Litomin, A; Makarenko, V; Marfin, I; Mossolov, V; Shumeiko, N; Solin, A; Stefanovitch, R; Suarez Gonzalez, J; Tikhonov, A; Fedorov, A; Karneyeu, A; Korzhik, M; Panov, V; Zuyeuski, R; Kuchinsky, P; Beaumont, W; Benucci, L; Cardaci, M; De Wolf, E A; Delmeire, E; Druzhkin, D; Hashemi, M; Janssen, X; Maes, T; Mucibello, L; Ochesanu, S; Rougny, R; Selvaggi, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Adler, V; Beauceron, S; Blyweert, S; D'Hondt, J; De Weirdt, S; Devroede, O; Heyninck, J; Kalogeropoulos, A; Maes, J; Maes, M; Mozer, M U; Tavernier, S; Van Doninck, W; Van Mulders, P; Villella, I; Bouhali, O; Chabert, E C; Charaf, O; Clerbaux, B; De Lentdecker, G; Dero, V; Elgammal, S; Gay, A P R; Hammad, G H; Marage, P E; Rugovac, S; Vander Velde, C; Vanlaer, P; Wickens, J; Grunewald, M; Klein, B; Marinov, A; Ryckbosch, D; Thyssen, F; Tytgat, M; Vanelderen, L; Verwilligen, P; Basegmez, S; Bruno, G; Caudron, J; Delaere, C; Demin, P; Favart, D; Giammanco, A; Grégoire, G; Lemaitre, V; Militaru, O; Ovyn, S; Piotrzkowski, K; Quertenmont, L; Schul, N; Beliy, N; Daubie, E; Alves, G A; Pol, M E; Souza, M H G; Carvalho, W; De Jesus Damiao, D; De Oliveira Martins, C; Fonseca De Souza, S; Mundim, L; Oguri, V; Santoro, A; Silva Do Amaral, S M; Sznajder, A; Fernandez Perez Tomei, T R; Ferreira Dias, M A; Gregores, E M; Novaes, S F; Abadjiev, K; Anguelov, T; Damgov, J; Darmenov, N; Dimitrov, L; Genchev, V; Iaydjiev, P; Piperov, S; Stoykova, S; Sultanov, G; Trayanov, R; Vankov, I; Dimitrov, A; Dyulendarova, M; Kozhuharov, V; Litov, L; Marinova, E; Mateev, M; Pavlov, B; Petkov, P; Toteva, Z; Chen, G M; Chen, H S; Guan, W; Jiang, C H; Liang, D; Liu, B; Meng, X; Tao, J; Wang, J; Wang, Z; Xue, Z; Zhang, Z; Ban, Y; Cai, J; Ge, Y; Guo, S; Hu, Z; Mao, Y; Qian, S J; Teng, H; Zhu, B; Avila, C; Baquero Ruiz, M; Carrillo Montoya, C A; Gomez, A; Gomez Moreno, B; Ocampo Rios, A A; Osorio Oliveros, A F; Reyes Romero, D; Sanabria, J C; Godinovic, N; Lelas, K; Plestina, R; Polic, D; Puljak, I; Antunovic, Z; Dzelalija, M; Brigljevic, V; Duric, S; Kadija, K; Morovic, S; Fereos, R; Galanti, M; Mousa, J; Papadakis, A; Ptochos, F; Razis, P A; Tsiakkouri, D; Zinonos, Z; Hektor, A; Kadastik, M; Kannike, K; Müntel, M; Raidal, M; Rebane, L; Anttila, E; Czellar, S; Härkönen, J; Heikkinen, A; Karimäki, V; Kinnunen, R; Klem, J; Kortelainen, M J; Lampén, T; Lassila-Perini, K; Lehti, S; Lindén, T; Luukka, P; Mäenpää, T; Nysten, J; Tuominen, E; Tuominiemi, J; Ungaro, D; Wendland, L; Banzuzi, K; Korpela, A; Tuuva, T; Nedelec, P; Sillou, D; Besancon, M; Chipaux, R; Dejardin, M; Denegri, D; Descamps, J; Fabbro, B; Faure, J L; Ferri, F; Ganjour, S; Gentit, F X; Givernaud, A; Gras, P; Hamel de Monchenault, G; Jarry, P; Lemaire, M C; Locci, E; Malcles, J; Marionneau, M; Millischer, L; Rander, J; Rosowsky, A; Rousseau, D; Titov, M; Verrecchia, P; Baffioni, S; Bianchini, L; Bluj, M; Busson, P; Charlot, C; Dobrzynski, L; Granier de Cassagnac, R; Haguenauer, M; Miné, P; Paganini, P; Sirois, Y; Thiebaux, C; Zabi, A; Agram, J L; Besson, A; Bloch, D; Bodin, D; Brom, J M; Conte, E; Drouhin, F; Fontaine, J C; Gelé, D; Goerlach, U; Gross, L; Juillot, P; Le Bihan, A C; Patois, Y; Speck, J; Van Hove, P; Baty, C; Bedjidian, M; Blaha, J; Boudoul, G; Brun, H; Chanon, N; Chierici, R; Contardo, D; Depasse, P; Dupasquier, T; El Mamouni, H; Fassi, F; Fay, J; Gascon, S; Ille, B; Kurca, T; Le Grand, T; Lethuillier, M; Lumb, N; Mirabito, L; Perries, S; Vander Donckt, M; Verdier, P; Djaoshvili, N; Roinishvili, N; Roinishvili, V; Amaglobeli, N; Adolphi, R; Anagnostou, G; Brauer, R; Braunschweig, W; Edelhoff, M; Esser, H; Feld, L; Karpinski, W; Khomich, A; Klein, K; Mohr, N; Ostaptchouk, A; Pandoulas, D; Pierschel, G; Raupach, F; Schael, S; Schultz von Dratzig, A; Schwering, G; Sprenger, D; Thomas, M; Weber, M; Wittmer, B; Wlochal, M; Actis, O; Altenhöfer, G; Bender, W; Biallass, P; Erdmann, M; Fetchenhauer, G; Frangenheim, J; Hebbeker, T; Hilgers, G; Hinzmann, A; Hoepfner, K; Hof, C; Kirsch, M; Klimkovich, T; Kreuzer, P; Lanske, D; Merschmeyer, M; Meyer, A; Philipps, B; Pieta, H; Reithler, H; Schmitz, S A; Sonnenschein, L; Sowa, M; Steggemann, J; Szczesny, H; Teyssier, D; Zeidler, C; Bontenackels, M; Davids, M; Duda, M; Flügge, G; Geenen, H; Giffels, M; Haj Ahmad, W; Hermanns, T; Heydhausen, D; Kalinin, S; Kress, T; Linn, A; Nowack, A; Perchalla, L; Poettgens, M; Pooth, O; Sauerland, P; Stahl, A; Tornier, D; Zoeller, M H; Aldaya Martin, M; Behrens, U; Borras, K; Campbell, A; Castro, E; Dammann, D; Eckerlin, G; Flossdorf, A; Flucke, G; Geiser, A; Hatton, D; Hauk, J; Jung, H; Kasemann, M; Katkov, I; Kleinwort, C; Kluge, H; Knutsson, A; Kuznetsova, E; Lange, W; Lohmann, W; Mankel, R; Marienfeld, M; Meyer, A B; Miglioranzi, S; Mnich, J; Ohlerich, M; Olzem, J; Parenti, A; Rosemann, C; Schmidt, R; Schoerner-Sadenius, T; Volyanskyy, D; Wissing, C; Zeuner, W D; Autermann, C; Bechtel, F; Draeger, J; Eckstein, D; Gebbert, U; Kaschube, K; Kaussen, G; Klanner, R; Mura, B; Naumann-Emme, S; Nowak, F; Pein, U; Sander, C; Schleper, P; Schum, T; Stadie, H; Steinbrück, G; Thomsen, J; Wolf, R; Bauer, J; Blüm, P; Buege, V; Cakir, A; Chwalek, T; De Boer, W; Dierlamm, A; Dirkes, G; Feindt, M; Felzmann, U; Frey, M; Furgeri, A; Gruschke, J; Hackstein, C; Hartmann, F; Heier, S; Heinrich, M; Held, H; Hirschbuehl, D; Hoffmann, K H; Honc, S; Jung, C; Kuhr, T; Liamsuwan, T; Martschei, D; Mueller, S; Müller, Th; Neuland, M B; Niegel, M; Oberst, O; Oehler, A; Ott, J; Peiffer, T; Piparo, D; Quast, G; Rabbertz, K; Ratnikov, F; Ratnikova, N; Renz, M; Saout, C; Sartisohn, G; Scheurer, A; Schieferdecker, P; Schilling, F P; Schott, G; Simonis, H J; Stober, F M; Sturm, P; Troendle, D; Trunov, A; Wagner, W; Wagner-Kuhr, J; Zeise, M; Zhukov, V; Ziebarth, E B; Daskalakis, G; Geralis, T; Karafasoulis, K; Kyriakis, A; Loukas, D; Markou, A; Markou, C; Mavrommatis, C; Petrakou, E; Zachariadou, A; Gouskos, L; Katsas, P; Panagiotou, A; Evangelou, I; Kokkas, P; Manthos, N; Papadopoulos, I; Patras, V; Triantis, F A; Bencze, G; Boldizsar, L; Debreczeni, G; Hajdu, C; Hernath, S; Hidas, P; Horvath, D; Krajczar, K; Laszlo, A; Patay, G; Sikler, F; Toth, N; Vesztergombi, G; Beni, N; Christian, G; Imrek, J; Molnar, J; Novak, D; Palinkas, J; Szekely, G; Szillasi, Z; Tokesi, K; Veszpremi, V; Kapusi, A; Marian, G; Raics, P; Szabo, Z; Trocsanyi, Z L; Ujvari, B; Zilizi, G; Bansal, S; Bawa, H S; Beri, S B; Bhatnagar, V; Jindal, M; Kaur, M; Kaur, R; Kohli, J M; Mehta, M Z; Nishu, N; Saini, L K; Sharma, A; Singh, A; Singh, J B; Singh, S P; Ahuja, S; Arora, S; Bhattacharya, S; Chauhan, S; Choudhary, B C; Gupta, P; Jain, S; Jha, M; Kumar, A; Ranjan, K; Shivpuri, R K; Srivastava, A K; Choudhury, R K; Dutta, D; Kailas, S; Kataria, S K; Mohanty, A K; Pant, L M; Shukla, P; Topkar, A; Aziz, T; Guchait, M; Gurtu, A; Maity, M; Majumder, D; Majumder, G; Mazumdar, K; Nayak, A; Saha, A; Sudhakar, K; Banerjee, S; Dugad, S; Mondal, N K; Arfaei, H; Bakhshiansohi, H; Fahim, A; Jafari, A; Mohammadi Najafabadi, M; Moshaii, A; Paktinat Mehdiabadi, S; Rouhani, S; Safarzadeh, B; Zeinali, M; Felcini, M; Abbrescia, M; Barbone, L; Chiumarulo, F; Clemente, A; Colaleo, A; Creanza, D; Cuscela, G; De Filippis, N; De Palma, M; De Robertis, G; Donvito, G; Fedele, F; Fiore, L; Franco, M; Iaselli, G; Lacalamita, N; Loddo, F; Lusito, L; Maggi, G; Maggi, M; Manna, N; Marangelli, B; My, S; Natali, S; Nuzzo, S; Papagni, G; Piccolomo, S; Pierro, G A; Pinto, C; Pompili, A; Pugliese, G; Rajan, R; Ranieri, A; Romano, F; Roselli, G; Selvaggi, G; Shinde, Y; Silvestris, L; Tupputi, S; Zito, G; Abbiendi, G; Bacchi, W; Benvenuti, A C; Boldini, M; Bonacorsi, D; Braibant-Giacomelli, S; Cafaro, V D; Caiazza, S S; Capiluppi, P; Castro, A; Cavallo, F R; Codispoti, G; Cuffiani, M; D'Antone, I; Dallavalle, G M; Fabbri, F; Fanfani, A; Fasanella, D; Giacomelli, P; Giordano, V; Giunta, M; Grandi, C; Guerzoni, M; Marcellini, S; Masetti, G; Montanari, A; Navarria, F L; Odorici, F; Pellegrini, G; Perrotta, A; Rossi, A M; Rovelli, T; Siroli, G; Torromeo, G; Travaglini, R; Albergo, S; Costa, S; Potenza, R; Tricomi, A; Tuve, C; Barbagli, G; Broccolo, G; Ciulli, V; Civinini, C; D'Alessandro, R; Focardi, E; Frosali, S; Gallo, E; Genta, C; Landi, G; Lenzi, P; Meschini, M; Paoletti, S; Sguazzoni, G; Tropiano, A; Benussi, L; Bertani, M; Bianco, S; Colafranceschi, S; Colonna, D; Fabbri, F; Giardoni, M; Passamonti, L; Piccolo, D; Pierluigi, D; Ponzio, B; Russo, A; Fabbricatore, P; Musenich, R; Benaglia, A; Calloni, M; Cerati, G B; D'Angelo, P; De Guio, F; Farina, F M; Ghezzi, A; Govoni, P; Malberti, M; Malvezzi, S; Martelli, A; Menasce, D; Miccio, V; Moroni, L; Negri, P; Paganoni, M; Pedrini, D; Pullia, A; Ragazzi, S; Redaelli, N; Sala, S; Salerno, R; Tabarelli de Fatis, T; Tancini, V; Taroni, S; Buontempo, S; Cavallo, N; Cimmino, A; De Gruttola, M; Fabozzi, F; Iorio, A O M; Lista, L; Lomidze, D; Noli, P; Paolucci, P; Sciacca, C; Azzi, P; Bacchetta, N; Barcellan, L; Bellan, P; Bellato, M; Benettoni, M; Biasotto, M; Bisello, D; Borsato, E; Branca, A; Carlin, R; Castellani, L; Checchia, P; Conti, E; Dal Corso, F; De Mattia, M; Dorigo, T; Dosselli, U; Fanzago, F; Gasparini, F; Gasparini, U; Giubilato, P; Gonella, F; Gresele, A; Gulmini, M; Kaminskiy, A; Lacaprara, S; Lazzizzera, I; Margoni, M; Maron, G; Mattiazzo, S; Mazzucato, M; Meneghelli, M; Meneguzzo, A T; Michelotto, M; Montecassiano, F; Nespolo, M; Passaseo, M; Pegoraro, M; Perrozzi, L; Pozzobon, N; Ronchese, P; Simonetto, F; Toniolo, N; Torassa, E; Tosi, M; Triossi, A; Vanini, S; Ventura, S; Zotto, P; Zumerle, G; Baesso, P; Berzano, U; Bricola, S; Necchi, M M; Pagano, D; Ratti, S P; Riccardi, C; Torre, P; Vicini, A; Vitulo, P; Viviani, C; Aisa, D; Aisa, S; Babucci, E; Biasini, M; Bilei, G M; Caponeri, B; Checcucci, B; Dinu, N; Fanò, L; Farnesini, L; Lariccia, P; Lucaroni, A; Mantovani, G; Nappi, A; Piluso, A; Postolache, V; Santocchia, A; Servoli, L; Tonoiu, D; Vedaee, A; Volpe, R; Azzurri, P; Bagliesi, G; Bernardini, J; Berretta, L; Boccali, T; Bocci, A; Borrello, L; Bosi, F; Calzolari, F; Castaldi, R; Dell'Orso, R; Fiori, F; Foà, L; Gennai, S; Giassi, A; Kraan, A; Ligabue, F; Lomtadze, T; Mariani, F; Martini, L; Massa, M; Messineo, A; Moggi, A; Palla, F; Palmonari, F; Petragnani, G; Petrucciani, G; Raffaelli, F; Sarkar, S; Segneri, G; Serban, A T; Spagnolo, P; Tenchini, R; Tolaini, S; Tonelli, G; Venturi, A; Verdini, P G; Baccaro, S; Barone, L; Bartoloni, A; Cavallari, F; Dafinei, I; Del Re, D; Di Marco, E; Diemoz, M; Franci, D; Longo, E; Organtini, G; Palma, A; Pandolfi, F; Paramatti, R; Pellegrino, F; Rahatlou, S; Rovelli, C; Alampi, G; Amapane, N; Arcidiacono, R; Argiro, S; Arneodo, M; Biino, C; Borgia, M A; Botta, C; Cartiglia, N; Castello, R; Cerminara, G; Costa, M; Dattola, D; Dellacasa, G; Demaria, N; Dughera, G; Dumitrache, F; Graziano, A; Mariotti, C; Marone, M; Maselli, S; Migliore, E; Mila, G; Monaco, V; Musich, M; Nervo, M; Obertino, M M; Oggero, S; Panero, R; Pastrone, N; Pelliccioni, M; Romero, A; Ruspa, M; Sacchi, R; Solano, A; Staiano, A; Trapani, P P; Trocino, D; Vilela Pereira, A; Visca, L; Zampieri, A; Ambroglini, F; Belforte, S; Cossutti, F; Della Ricca, G; Gobbo, B; Penzo, A; Chang, S; Chung, J; Kim, D H; Kim, G N; Kong, D J; Park, H; Son, D C; Bahk, S Y; Song, S; Jung, S Y; Hong, B; Kim, H; Kim, J H; Lee, K S; Moon, D H; Park, S K; Rhee, H B; Sim, K S; Kim, J; Choi, M; Hahn, G; Park, I C; Choi, S; Choi, Y; Goh, J; Jeong, H; Kim, T J; Lee, J; Lee, S; Janulis, M; Martisiute, D; Petrov, P; Sabonis, T; Castilla Valdez, H; Sánchez Hernández, A; Carrillo Moreno, S; Morelos Pineda, A; Allfrey, P; Gray, R N C; Krofcheck, D; Bernardino Rodrigues, N; Butler, P H; Signal, T; Williams, J C; Ahmad, M; Ahmed, I; Ahmed, W; Asghar, M I; Awan, M I M; Hoorani, H R; Hussain, I; Khan, W A; Khurshid, T; Muhammad, S; Qazi, S; Shahzad, H; Cwiok, M; Dabrowski, R; Dominik, W; Doroba, K; Konecki, M; Krolikowski, J; Pozniak, K; Romaniuk, Ryszard; Zabolotny, W; Zych, P; Frueboes, T; Gokieli, R; Goscilo, L; Górski, M; Kazana, M; Nawrocki, K; Szleper, M; Wrochna, G; Zalewski, P; Almeida, N; Antunes Pedro, L; Bargassa, P; David, A; Faccioli, P; Ferreira Parracho, P G; Freitas Ferreira, M; Gallinaro, M; Guerra Jordao, M; Martins, P; Mini, G; Musella, P; Pela, J; Raposo, L; Ribeiro, P Q; Sampaio, S; Seixas, J; Silva, J; Silva, P; Soares, D; Sousa, M; Varela, J; Wöhri, H K; Altsybeev, I; Belotelov, I; Bunin, P; Ershov, Y; Filozova, I; Finger, M; Finger, M., Jr.; Golunov, A; Golutvin, I; Gorbounov, N; Kalagin, V; Kamenev, A; Karjavin, V; Konoplyanikov, V; Korenkov, V; Kozlov, G; Kurenkov, A; Lanev, A; Makankin, A; Mitsyn, V V; Moisenz, P; Nikonov, E; Oleynik, D; Palichik, V; Perelygin, V; Petrosyan, A; Semenov, R; Shmatov, S; Smirnov, V; Smolin, D; Tikhonenko, E; Vasil'ev, S; Vishnevskiy, A; Volodko, A; Zarubin, A; Zhiltsov, V; Bondar, N; Chtchipounov, L; Denisov, A; Gavrikov, Y; Gavrilov, G; Golovtsov, V; Ivanov, Y; Kim, V; Kozlov, V; Levchenko, P; Obrant, G; Orishchin, E; Petrunin, A; Shcheglov, Y; Shchetkovskiy, A; Sknar, V; Smirnov, I; Sulimov, V; Tarakanov, V; Uvarov, L; Vavilov, S; Velichko, G; Volkov, S; Vorobyev, A; Andreev, Yu; Anisimov, A; Antipov, P; Dermenev, A; Gninenko, S; Golubev, N; Kirsanov, M; Krasnikov, N; Matveev, V; Pashenkov, A; Postoev, V E; Solovey, A; Toropin, A; Troitsky, S; Baud, A; Epshteyn, V; Gavrilov, V; Ilina, N; Kaftanov, V; Kolosov, V; Kossov, M; Krokhotin, A; Kuleshov, S; Oulianov, A; Safronov, G; Semenov, S; Shreyber, I; Stolin, V; Vlasov, E; Zhokin, A; Boos, E; Dubinin, M; Dudko, L; Ershov, A; Gribushin, A; Klyukhin, V; Kodolova, O; Lokhtin, I; Petrushanko, S; Sarycheva, L; Savrin, V; Snigirev, A; Vardanyan, I; Dremin, I; Kirakosyan, M; Konovalova, N; Rusakov, S V; Vinogradov, A; Akimenko, S; Artamonov, A; Azhgirey, I; Bitioukov, S; Burtovoy, V; Grishin, V; Kachanov, V; Konstantinov, D; Krychkine, V; Levine, A; Lobov, I; Lukanin, V; Mel'nik, Y; Petrov, V; Ryutin, R; Slabospitsky, S; Sobol, A; Sytine, A; Tourtchanovitch, L; Troshin, S; Tyurin, N; Uzunian, A; Volkov, A; Adzic, P; Djordjevic, M; Jovanovic, D; Krpic, D; Maletic, D; Puzovic, J; Smiljkovic, N; Aguilar-Benitez, M; Alberdi, J; Alcaraz Maestre, J; Arce, P; Barcala, J M; Battilana, C; Burgos Lazaro, C; Caballero Bejar, J; Calvo, E; Cardenas Montes, M; Cepeda, M; Cerrada, M; Chamizo Llatas, M; Clemente, F; Colino, N; Daniel, M; De La Cruz, B; Delgado Peris, A; Diez Pardos, C; Fernandez Bedoya, C; Fernández Ramos, J P; Ferrando, A; Flix, J; Fouz, M C; Garcia-Abia, P; Garcia-Bonilla, A C; Gonzalez Lopez, O; Goy Lopez, S; Hernandez, J M; Josa, M I; Marin, J; Merino, G; Molina, J; Molinero, A; Navarrete, J J; Oller, J C; Puerta Pelayo, J; Romero, L; Santaolalla, J; Villanueva Munoz, C; Willmott, C; Yuste, C; Albajar, C; Blanco Otano, M; de Trocóniz, J F; Garcia Raboso, A; Lopez Berengueres, J O; Cuevas, J; Fernandez Menendez, J; Gonzalez Caballero, I; Lloret Iglesias, L; Naves Sordo, H; Vizan Garcia, J M; Cabrillo, I J; Calderon, A; Chuang, S H; Diaz Merino, I; Diez Gonzalez, C; Duarte Campderros, J; Fernandez, M; Gomez, G; Gonzalez Sanchez, J; Gonzalez Suarez, R; Jorda, C; Lobelle Pardo, P; Lopez Virto, A; Marco, J; Marco, R; Martinez Rivero, C; Martinez Ruiz del Arbol, P; Matorras, F; Rodrigo, T; Ruiz Jimeno, A; Scodellaro, L; Sobron Sanudo, M; Vila, I; Vilar Cortabitarte, R; Abbaneo, D; Albert, E; Alidra, M; Ashby, S; Auffray, E; Baechler, J; Baillon, P; Ball, A H; Bally, S L; Barney, D; Beaudette, F; Bellan, R; Benedetti, D; Benelli, G; Bernet, C; 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Neumeister, N; Sedov, A; Shipsey, I; Yoo, H D; Zheng, Y; Jindal, P; Parashar, N; Cuplov, V; Ecklund, K M; Geurts, F J M; Liu, J H; Maronde, D; Matveev, M; Padley, B P; Redjimi, R; Roberts, J; Sabbatini, L; Tumanov, A; Betchart, B; Bodek, A; Budd, H; Chung, Y S; de Barbaro, P; Demina, R; Flacher, H; Gotra, Y; Harel, A; Korjenevski, S; Miner, D C; Orbaker, D; Petrillo, G; Vishnevskiy, D; Zielinski, M; Bhatti, A; Demortier, L; Goulianos, K; Hatakeyama, K; Lungu, G; Mesropian, C; Yan, M; Atramentov, O; Bartz, E; Gershtein, Y; Halkiadakis, E; Hits, D; Lath, A; Rose, K; Schnetzer, S; Somalwar, S; Stone, R; Thomas, S; Watts, T L; Cerizza, G; Hollingsworth, M; Spanier, S; Yang, Z C; York, A; Asaadi, J; Aurisano, A; Eusebi, R; Golyash, A; Gurrola, A; Kamon, T; Nguyen, C N; Pivarski, J; Safonov, A; Sengupta, S; Toback, D; Weinberger, M; Akchurin, N; Berntzon, L; Gumus, K; Jeong, C; Kim, H; Lee, S W; Popescu, S; Roh, Y; Sill, A; Volobouev, I; Washington, E; Wigmans, R; Yazgan, E; Engh, D; Florez, C; Johns, W; Pathak, S; Sheldon, P; Andelin, D; Arenton, M W; Balazs, M; Boutle, S; Buehler, M; Conetti, S; Cox, B; Hirosky, R; Ledovskoy, A; Neu, C; Phillips II, D; Ronquest, M; Yohay, R; Gollapinni, S; Gunthoti, K; Harr, R; Karchin, P E; Mattson, M; Sakharov, A; Anderson, M; Bachtis, M; Bellinger, J N; Carlsmith, D; Crotty, I; Dasu, S; Dutta, S; Efron, J; Feyzi, F; Flood, K; Gray, L; Grogg, K S; Grothe, M; Hall-Wilton, R; Jaworski, M; Klabbers, P; Klukas, J; Lanaro, A; Lazaridis, C; Leonard, J; Loveless, R; Magrans de Abril, M; Mohapatra, A; Ott, G; Polese, G; Reeder, D; Savin, A; Smith, W H; Sourkov, A; Swanson, J; Weinberg, M; Wenman, D; Wensveen, M; White, A

    2010-01-01

    The operation and general performance of the CMS electromagnetic calorimeter using cosmic-ray muons are described. These muons were recorded after the closure of the CMS detector in late 2008. The calorimeter is made of lead tungstate crystals and the overall status of the 75848 channels corresponding to the barrel and endcap detectors is reported. The stability of crucial operational parameters, such as high voltage, temperature and electronic noise, is summarised and the performance of the light monitoring system is presented.

  2. The CMS PbWO4 Electromagnetic Calorimeter

    OpenAIRE

    Lethuillier, M

    2003-01-01

    CMS; The electromagnetic calorimeter under construction for the CMS experiment at LHC will be the largest crystal calorimeter ever built. The very fast and precise energy measurement of electrons and photons is based upon 76000 lead tungstate crystals read by avalanche photodiodes (APD) in the central barrel region and vacuum phototriodes (VPT) in the endcap regions. The major challenges to be faced are the ability to operate in a strong magnetic field of 4T and under unprecedented radiation ...

  3. ATLAS calorimeters: Run-2 performances and Phase-II upgrades

    CERN Document Server

    Boumediene, Djamel Eddine; The ATLAS collaboration

    2017-01-01

    The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to $10^{34} cm^{-2} s^{-1}$. A Liquid Argon-lead sampling (LAr) calorimeter is employed as electromagnetic and hadronic calorimeters, except in the barrel region, where a scintillator-steel sampling calorimeter (TileCal) is used as hadronic calorimeter. This presentation gives first an overview of the detector operation and data quality, as well as of the achieved performances of the ATLAS calorimetry system. Additionally the upgrade projects of the ATLAS calorimeter system for the high luminosity phase of the LHC (HL-LHC) are presented. For the HL-LHC, the instantaneous luminosity is expected to increase up to $L \\simeq 7.5 × 10^{34} cm^{-2} s^{-1}$ and the average pile-up up to 200 interactions per bunch crossing. The major R&D item is the upgrade of the electronics for both LAr and Tile calorimeters in order to cope with longer latenc...

  4. El ayuntamiento de Toledo y el cabildo catedral en las fiestas del Transparente de 1732

    Directory of Open Access Journals (Sweden)

    Laura Santolaya Heredero

    1997-01-01

    Full Text Available Las celebraciones organizadas por el Cardenal Astorga, con motivo de la finalización de la obra del Transparente de la Catedral de Toledo, fueron el exponente para que se manifestara el secular conflicto que el Cabildo de ésta mantenía con el Ayuntamiento por el control real de la ciudad. Surgió dicho conflicto como resultado de este Ayuntamiento de organizar una fiesta de toros, algo que desde hacía veinticinco años no había logrado hacer a causa de un pleito que mantenía con dicho Cabildo.Cardenal Astorga's decisión to organize celebrations in conmmemoration of the complition of «El Transparente» in Toledo Cathedral has brough to light the conflict between the Cathedral Chapter and the Local Government about who has effective control over the City. The conflict arise as a result of the Local Authority desire to organize a bullfight, which had not been done for 25 years, precisely because of a legal dispute with the Cathedral Authorities.

  5. Estimation of monthly Angstrom-Prescott equation coefficients from measured daily data in Toledo, Spain

    Energy Technology Data Exchange (ETDEWEB)

    Almorox, J.; Hontoria, C. [Universidad Politecnica de Madrid (Spain). Dpto. De Edafologia; Benito, M. [Universidad Politecnica de Madrid (Spain). Dpto. De Silvopasicultura

    2005-05-01

    In this study, daily global radiation for Toledo (39{sup o}53'05''N, 4{sup o}02'58''W, Spain) were utilized to determine monthly-specific equations for estimating global solar radiation from sunshine hours and to obtain improved fits to monthly Angstrom-Prescott's coefficients. Models were compared using the root mean square error (RMSE), the mean bias error (MBE) and the t-statistic. According to our results, all the models fitted the data adequately and can be used to estimate the specific monthly global solar radiation. Average RMSE and MBE for comparison between observed and estimated global radiation were 1.260 and -0.002 MJ m{sup -2} day{sup -1}, respectively. The t-statistic was used as the best indicator, this indicator depends on both, and is more effective for determining the model performance. The agreement between the estimated and the measured data were remarkable and the method was recommended for use in Toledo (Spain). (author)

  6. Genomic analysis of chimeric human cytomegalovirus vaccine candidates derived from strains Towne and Toledo.

    Science.gov (United States)

    Suárez, Nicolás M; Lau, Betty; Kemble, George M; Lee, Ronzo; Mocarski, Edward S; Wilkinson, Gavin W G; Adler, Stuart P; McVoy, Michael A; Davison, Andrew J

    2017-08-01

    Human cytomegalovirus (HCMV) is an important opportunistic pathogen in immunocompromised patients and a major cause of congenital birth defects when acquired in utero. In the 1990s, four chimeric viruses were constructed by replacing genome segments of the high passage Towne strain with segments of the low passage Toledo strain, with the goal of obtaining live attenuated vaccine candidates that remained safe but were more immunogenic than the overly attenuated Towne vaccine. The chimeras were found to be safe when administered to HCMV-seronegative human volunteers, but to differ significantly in their ability to induce seroconversion. This suggests that chimera-specific genetic differences impacted the ability to replicate or persist in vivo and the consequent ability to induce an antibody response. To identify specific genomic breakpoints between Towne and Toledo sequences and establish whether spontaneous mutations or rearrangements had occurred during construction of the chimeras, complete genome sequences were determined. No major deletions or rearrangements were observed, although a number of unanticipated mutations were identified. However, no clear association emerged between the genetic content of the chimeras and the reported levels of vaccine-induced HCMV-specific humoral or cellular immune responses, suggesting that multiple genetic determinants are likely to impact immunogenicity. In addition to revealing the genome organization of the four vaccine candidates, this study provided an opportunity to probe the genetics of HCMV attenuation in humans. The results may be valuable in the future design of safe live or replication-defective vaccines that optimize immunogenicity and efficacy.

  7. Las Lunas (Yuncler, Toledo. A Bronze Age hoard with metallic materials from the southern Iberian Meseta

    Directory of Open Access Journals (Sweden)

    Urbina Martínez, Dionisio

    2010-06-01

    Full Text Available Here we present the results of the preliminary study carried out on a new group of metallic materials of the Final Bronze Age, recovered at the end of 2008 in the archaeological excavations at the settlement of Las Lunas (Yuncler, Toledo, Spain. Its geographical situation far away from the main zones of distribution of this type of finds, the singularity of the materials, and the evidence of Atlantic and Mediterranean relations make these materials a remarkable sample for the study of the Final Bronze Age in the centre of the Iberian Peninsula.

    Se exponen los resultados del primer estudio realizado sobre un nuevo conjunto de materiales metálicos del Bronce Final recuperado a finales de 2008 en las excavaciones arqueológicas del yacimiento de Las Lunas (Yuncler, Toledo, España. La localización geográfica del hallazgo, lejos de las principales zonas de dispersión conocidas para este tipo de conjuntos, la singularidad de los objetos que integra, y las relaciones atlánticas y mediterráneas que evidencian sus materiales, lo convierten en un ejemplo destacado para el estudio de este período en el centro de la Península Ibérica.

  8. Las encuadernaciones mudéjares toledanas con motivo central de la catedral de Toledo

    Directory of Open Access Journals (Sweden)

    Carpallo Bautista, Antonio

    2012-12-01

    Full Text Available The Capitular Library of Toledo Cathedral has among its collection a group of Mudejar bindings with decorative central motives realized by craftsmen during the 15th century. This work indicates the existence of different workshops that realized orders for the cathedral by means of the study of the decorative structures of the boards and spines, the individual decorative elements used, the construction and decoration of the headbands, the metallic and embroidered clasps, as well as the identifi cation of the heraldic emblems that appear on the fi rst folios of the volumes.

    La Biblioteca Capitular de la Catedral de Toledo dispone entre sus fondos de un grupo de encuadernaciones mudéjares con motivos decorativos centrales realizadas por artesanos durante el siglo XV. Este trabajo nos señala la existencia de diferentes talleres que realizaron encargos para la catedral mediante el estudio de las estructuras decorativas de las tapas y lomos, los elementos decorativos individuales empleados, la construcción y decoración de las cabezadas, los broches metálicos y bordados, así como la identifi cación de los emblemas heráldicos que aparecen en los primeros folios de los volúmenes.

  9. Retention and Recruitment Programs for Female Undergraduate Students in Engineering at The University of Toledo, Ohio, USA

    Science.gov (United States)

    Franchetti, Matthew; Ravn, Tina; Kuntz, Vicki L.

    2010-01-01

    This paper summarizes the findings of a five year study aimed at improving both recruitment and retention of female students pursuing careers in engineering. The study analyzed a series of five programs implemented at the College of Engineering at The University of Toledo in Ohio, USA. The effectiveness of the programs over time is measured from…

  10. 77 FR 64718 - Safety Zone; Steam Ship Col. James M. Schoonmaker Relocation Project, Maumee River, Toledo, OH

    Science.gov (United States)

    2012-10-23

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF HOMELAND SECURITY Coast Guard 33 CFR Part 165 RIN 1625-AA00 Safety Zone; Steam Ship Col. James M. Schoonmaker...-0939 Safety Zone; Steam Ship Col. James M. Schoonmaker relocation project, Maumee River, Toledo, OH. (a...

  11. 78 FR 64197 - Foreign-Trade Zone (FTZ) 8-Toledo, Ohio, Notification of Proposed Production Activity, Whirlpool...

    Science.gov (United States)

    2013-10-28

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF COMMERCE Foreign-Trade Zones Board Foreign-Trade Zone (FTZ) 8--Toledo, Ohio, Notification of Proposed Production Activity, Whirlpool Corporation, Subzone 8I, (Washing Machines), Clyde and Green Springs, Ohio Whirlpool...

  12. Scholar-Practitioner Inquiry as International Action Research: Surveying Leadership Perceptions of Principals in the Toledo District of Belize

    Science.gov (United States)

    Hickey, Wesley D.; Gill, Peggy B.; Brown, Lakesha

    2011-01-01

    The scholar-practitioner approach to leadership has the potential for effectiveness in developing countries through contextual understanding of unique circumstances. The purpose of this study was to survey leadership perceptions of principals in the Toledo District of Belize. This data, in the tradition of scholar-practitioner involvement, was…

  13. GEANT SIMULATIONS OF PRESHOWER CALORIMETER FOR CLAS12 UPGRADE OF THE FORWARD ELECTROMAGNETIC CALORIMETER

    Energy Technology Data Exchange (ETDEWEB)

    Whitlow, K.; Stepanyan, S.

    2007-01-01

    Hall B at the Thomas Jefferson National Accelerator Facility uses the CEBAF (Continuous Electron Beam Accelerator Facility) Large Acceptance Spectrometer (CLAS) to study the structure of the nucleon. An upgrade from a 6 GeV beam to a 12GeV beam is currently planned. With the beam energy upgrade, more high-energy pions will be created from the interaction of the beam and the target. Above 6GeV, the angle between the two-decay photons of high-energy pions becomes too small for the current electromagnetic calorimeter (EC) of CLAS to differentiate between two photon clusters and single photon events. Thus, a preshower calorimeter will be added in front of the EC to enable fi ner granularity and ensure better cluster separation for all CLAS experiments at higher energies. In order to optimize cost without compromising the calorimeter’s performance, three versions of the preshower, varying in number of scintillator and lead layers, were compared by their resolution and effi ciency. Using GSIM, a GEANT detector simulation program for CLAS, the passage of neutral pions and single photons through CLAS and the new preshower calorimeter (CLAS12 EC) was studied. The resolution of the CLAS12 EC was calculated from the Gaussian fi t of the sampling fraction, the energy CLAS12 EC detected over the Monte Carlo simulated energy. The single photon detection effi ciency was determined from the energy and position of the photon hits. The fractional energy resolution measured was ΔE/E = 0.0972 in the fi ve-module version, 0.111 in the four-module version, and 0.149 in the three-module version. Both the fi ve- and four-module versions had 99% single photon detection effi ciency above 0.5GeV while the 3 module version had 99% effi ciency above 1.5GeV. Based on these results, the suggested preshower confi guration is the four-module version containing twelve layers of scintillator and fi fteen layers of lead. This version provides a reasonable balance of resolution, effi ciency, and

  14. Bon voyage to the hadronic calorimeter

    CERN Multimedia

    2006-01-01

    It was a grand entourage for the first half of the CMS hadronic forward calorimeter (HF) that was escorted to Cessy, France by the police on 11 July. The impressive trailer carrying the 7-m-long and 4-m-wide element was pushed and pulled by two specially designed trucks. It took the 64-m-long convoy around 5 hours to travel the 15 km to its final destination. The days leading up to this operation involved intensive checks to the balance and pressure of the hydraulic system of the trailer's wheels. As one side of the HF is slightly heavier than the other, it is crucial to take this into account when transporting such a massive object (each half of the HF weighs 260 tonnes). However, once these checks were complete, the transport was safely underway. The second half of the HF also received a police escort on 18 July as it made its way to the assembly hall at Point 5. The HF will be the first major detector to be lowered into the CMS cavern via the gantry crane in the coming months.

  15. New crystal technologies for novel calorimeter concepts

    CERN Document Server

    Lecoq, Paul

    2009-01-01

    Present calorimetric systems give a global information on the total energy deposit at a given time in large detector cells but provide no details on the cascade mechanism of this energy deposition in space and time, as well as on the physics of the signal generation. In the domain of High Energy Physics (HEP) high-precision measurement of hadrons and jets is one of the detector challenges at future high energy colliders. It has been shown that higher segmentation of the calorimter and/or the simultaneous recording of the scintillation light produced in an active medium, which is proportional to the total energy deposited by the shower particles, and the Cherenkov light, which is only produced by the charged, relativistic shower particles, can significantly improve the performance of present hadron calorimeters. At low energy, for instance for medical imaging devices, the detailed recording of the whole Compton-photoelectric interaction chain would have a strong impact on the spatial resolution, energy resolut...

  16. Important ATLAS Forward Calorimeter Milestone Reached

    CERN Document Server

    Loch, P.

    The ATLAS Forward Calorimeter working group has reached an important milestone in the production of their detectors. The mechanical assembly of the first electromagnetic module (FCal1C) has been completed at the University of Arizona on February 25, 2002, only ten days after the originally scheduled date. The photo shows the University of Arizona FCal group in the clean room, together with the assembled FCal1C module. The module consists of a stack of 18 round copper plates, each about one inch thick. Each plate is about 90 cm in diameter, and has 12260 precision-drilled holes in it, to accommodate the tube/rod electrode assembly. The machining of the plates, which was done at the Science Technology Center (STC) at Carleton University, Ottawa, Canada, required high precision to allow for easy insertion of the electrode copper tube. The plates have been carefully cleaned at the University of Arizona, to remove any machining residue and metal flakes. This process alone took about eleven weeks. Exactly 122...

  17. End Cap Calorimeter Inner Hadronic Module Installation

    Energy Technology Data Exchange (ETDEWEB)

    Stredde, H.J.; /Fermilab

    1990-10-11

    The fixture used to hold the IH module while the EC Calorimeter is pul led over it consists of two tripod frames with a double wide flange between them. The two tripods have legs made of 6-inch Schedule 40 pipe, these legs are tied together with 2-inch Schedule 40 pipe. One of the legs sits on and is attached to a box made of 3/4-inch plates. The fixture was analyzed using ANSYS. The element used was a 3-D beam (STIF4). Equivalent properties were figured for the double wide flange. The legs of the tripods were constrained in the Y direction (vertical). The box at the bottom of the tripod leg was not used in this analysis, the leg was constrained at the point of attachment to the box. The cross beam was loaded at two points representing the IH load. The reaction force at the point where the tripod leg attaches to the box was then used in an analysis of the box itself. The box was modeled using plate elements (STIF63). The bottom of the box was constrained in the Y (vertical) direction. The top of the box was loaded in roughly a circular area to represent the pipe attachment area. The reaction force from the previous analysis was divided among these nodes.

  18. Central Calorimeter Support Cradle Jack Failure Analysis

    Energy Technology Data Exchange (ETDEWEB)

    Rudland, D.L.; /Fermilab

    1987-04-10

    The Central Calorimeter and its support cradle are to be supported by either hydraulic or mechanical jacks. If hydraulics are used, each support will use two hydraulically coupled jacks with two out of the four supports hydraulically coupled giving the effect of a three point support system. If mechanical jacks are used, all four points are used for support. Figure 2 shows two examples of jack placement on a 3.5 inch support plate. These two support scenarios lead to five jack failure cases to be studied. This report deals with the way in which a 0.25 inch drop (failed jack) at one support affects the stresses in the cradle. The stresses from each failure case were analyzed in two ways. First, stress factors, defined as quotients of stress intensities of the failed case with respect to the static case, were generated and then, hand calculations similar to those in Engineering Note 3740.215-EN-14 were done using the reaction forces from the failed case.

  19. The ATLAS Level-1 Calorimeter Trigger Architecture

    CERN Document Server

    Garvey, J; Mahout, G; Moye, T H; Staley, R J; Watkins, P M; Watson, A T; Achenbach, R; Hanke, P; Kluge, E E; Meier, K; Meshkov, P; Nix, O; Penno, K; Schmitt, K; Ay, Cc; Bauss, B; Dahlhoff, A; Jakobs, K; Mahboubi, K; Schäfer, U; Trefzger, T M; Eisenhandler, E F; Landon, M; Moyse, E; Thomas, J; Apostoglou, P; Barnett, B M; Brawn, I P; Davis, A O; Edwards, J; Gee, C N P; Gillman, A R; Perera, V J O; Qian, W; Bohm, C; Hellman, S; Hidvégi, A; Silverstein, S; RT 2003 13th IEEE-NPSS Real Time Conference

    2004-01-01

    The architecture of the ATLAS Level-1 Calorimeter Trigger system (L1Calo) is presented. Common approaches have been adopted for data distribution, result merging, readout, and slow control across the three different subsystems. A significant amount of common hardware is utilized, yielding substantial savings in cost, spares, and development effort. A custom, high-density backplane has been developed with data paths suitable for both the em/tt cluster processor (CP) and jet/energy-summation processor (JEP) subsystems. Common modules also provide interfaces to VME, CANbus and the LHC Timing, Trigger and Control system (TTC). A common data merger module (CMM) uses FPGAs with multiple configurations for summing electron/photon and tau/hadron cluster multiplicities, jet multiplicities, or total and missing transverse energy. The CMM performs both crate- and system-level merging. A common, FPGA-based readout driver (ROD) is used by all of the subsystems to send input, intermediate and output data to the data acquis...

  20. Hadronic vector boson decay and the art of calorimeter calibration

    Energy Technology Data Exchange (ETDEWEB)

    Lobban, Olga Barbara [Texas Tech Univ., Lubbock, TX (United States)

    2002-12-01

    Presented here are several studies involving the energy measurement of particles using calorimeters. The first study involves the effects of radiation damage on the response of a prototype calorimeter for the Compact Muon Solenoid experiment. We found that the effects of radiation damage on the calorimeter·s response arc dose dependent and that most of the damage will occur in the first year of running at the Large Hadron Collider. Another study involved the assessment of the Energy Flow Method an algorithm which combines the information from the calorimeter system is combined with that from the tracking system in an attmpt to improve the energy resolution for jet measurements. Using the Energy Flow method an improvement of $\\sim30\\%$ is found but this impovement decreases at high energies when the hadronic calorimeter resolution dominates the quality of the jet energy measurements. Finally, we developed a new method to calibrate a longitudinally segnmented calorimeter. This method eliminates problems with the traditional method used for the calorimeters at the Collider Detector at Fermilab. We applied this new method in the search for hadrunic decays of the $W$ and $Z$ bosons in a sample of dijet data taken during Tevatron Run IC. A signal of 9873±3950(sys) ±1130 events was found when the new calibration method was used. This corresponds to a cross section $\\sigma(p\\bar{p} \\to W,Z) \\cdot B(W,Z \\to jets) = 35.6 \\pm 14.2 ({\\rm sys}) \\pm 4.1 (\\rm{stat})$ nb.

  1. Calibration of the ATLAS Tile hadronic calorimeter using muons

    CERN Document Server

    van Woerden, M C; The ATLAS collaboration

    2012-01-01

    The ATLAS Tile Calorimeter (TileCal) is the barrel hadronic calorimeter of the ATLAS experiment at the CERN Large Hadron Collider (LHC). It is a sampling calorimeter using plastic scintillator as the active material and iron as the absorber. TileCal , together with the electromagnetic calorimeter, provides precise measurements of hadrons, jets, taus and the missing transverse energy. Cosmic rays muons and muon events produced by scraping 450 GeV protons in one collimator of the LHC machine have been used to test the calibration of the calorimeter. The analysis of the cosmic rays data shows: a) the response of the third longitudinal layer of the Barrel differs from those of the first and second Barrel layers by about 3-4%, respectively and b) the differences between the energy scales of each layer obtained in this analysis and the value set at beam tests using electrons are found to range between -3% and +1%. In the case of the scraping beam data, the responses of all the layer pairs were found to be consisten...

  2. ATLAS Calorimeters: Run-2 performance and Phase-II upgrade

    CERN Document Server

    Boumediene, Djamel Eddine; The ATLAS collaboration

    2017-01-01

    The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 10^{34} cm^{−2} s^{−1}. A liquid argon (LAr)-lead sampling calorimeter is employed as electromagnetic calorimeter and hadronic calorimter, except in the barrel region, where a scintillator-steel sampling calorimeter (TileCal) is used as hadronic calorimter. This presentation will give first an overview of the detector operation and data quality, as well as the achieved performance of the ATLAS calorimetry system. Additionally, the upgrade projects of the ATLAS calorimeter system for the high luminosity phase of the LHC (HL-LHC) will be presented. For the HL-LHC, the instantaneous luminosity is expected to increase up to L ≃ 7.5 × 10^{34} cm^{−2} s^{−1} and the average pile-up up to 200 interactions per bunch crossing. The major R&D item is the upgrade of the electronics for both LAr and Tile calorimeters in order to cope wit...

  3. The ATLAS Tile Hadronic Calorimeter performance at the LHC

    CERN Document Server

    Francavilla, P; The ATLAS collaboration

    2012-01-01

    The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. Due to the very good muon signal to noise ratio it assists the spectrometer in the identi cation and reconstruction of muons. TileCal is built of steel and scintillating tiles coupled to optical bers and read out by photomultipliers. The calorimeter is equipped with systems that allow to monitor and to calibrate each stage of the read-out system exploiting di erent signal sources: laser light, charge injection, a radioactive source and the signal produced by minimum bias events. The performance of the calorimeter has been measured and monitored using calibration data, random triggered data, cosmic muons, splash events and most importantly the large sample of pp collision events. Results are discussed that demonstrate how the calorimeter is operated, how is monitored and what performance has been obtai...

  4. The ATLAS Tile Hadronic Calorimeter performance at the LHC

    CERN Document Server

    Francavilla, P; The ATLAS collaboration

    2012-01-01

    The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. Due to the very good muon signal to noise ratio it assists the spectrometer in the identification and reconstruction of muons. TileCal is built of steel and scintillating tiles coupled to optical fibers and read out by photomultipliers. The calorimeter is equipped with systems that allow to monitor and to calibrate each stage of the read-out system exploiting different signal sources: laser light, charge injection, a radioactive source and the signal produced by minimum bias events. The performance of the calorimeter has been measured and monitored using calibration data, random triggered data, cosmic muons, splash events and most importantly the large sample of pp collision events. Results are discussed that demostrate how the calorimeter is operated, how is monitored and what performance has been ob...

  5. LA IMAGEN EN EL TURISMO URBANO: REVISITANDO EL TOLEDO ROMÁNTICO

    Directory of Open Access Journals (Sweden)

    Carmen García Martínez

    2011-01-01

    Full Text Available La imagen de la ciudad es un elemento fundamental para el turismo cultural dirigido a los núcleos urbanos. La literatura ha contribuido en gran medida a crear algunas de estas imágenes y las que ha proporcionado el Romanticismo figuran entre las más valiosas. En este trabajo se repasan las características paisajísticas de la interpretación romántica de Toledo a través de los relatos de viajeros entre 1830 y 1870. La utilización de estas imágenes se inserta en el modelo actual de turismo, y en la falta de autenticidad de algunas de las propuestas de gestión de la actividad turística.

  6. O Capital Social na Microrregião de Toledo-Pr

    Directory of Open Access Journals (Sweden)

    Lucir Reinaldo Alves

    2013-01-01

    Full Text Available This paper analyzed the stock of social capital in the microregion of Toledo in the west of Paraná State. We used the methodology described by Oliveira (2006 that analyzes the representative institutions (trade unions and associations, forums, councils and sectoral chambers to quantify the stock of social capital. It was noticed by the results that since the colonization the municipalities that compose this microregion were created on a model to facilitate the community life and the associativism. However, with the modernization in agriculture and urbanization these trustworthiness relationships have been lost over time. Furthermore, it was noted the existence of associations that are linked directly and indirectly with the unions and cooperatives, showing the strong relationship of trust that exists in the community, and thereby strengthening the social capital again.

  7. Bassus turobrigensis y la inscripción de ataecina en Caleruela (Toledo

    Directory of Open Access Journals (Sweden)

    María Pilar GONZÁLEZ- CONDE PUENTE

    2010-02-01

    Full Text Available RESUMEN: Ataecina es una divinidad de carácter infernal, que se asocia a Proserpina en un fenónemo de interpretatio, y que tuvo culto oficial en Mérida, encontrándose sus testimonios en una zona que comprende parte del sur de Portugal (desde Portalegre a Beja, así como las actuales provincias de Cáceres, Badajoz y Sevilla (ahora también parte oriental de Toledo, con testimonios aislados en Braga (Portugal, Segobriga (Saelices, Cuenca y Cagliari (Cerdeña. Su nombre aparece con ligeras variantes, y acompañado o no de epítetos: Dea Sancta, Dea Sancta Turibrigensis, Ataecina Turibrigensis (o Turubrigensis, Adaegina, Ategina; así mismo, asociada a Proserpina, por lo que se vinculan con ella los exvotos ofrecidos a ésta.

  8. La regeneración urbana integrada y la declaración de Toledo

    Directory of Open Access Journals (Sweden)

    Martín-Consuegra, F.

    2015-03-01

    Full Text Available The Toledo Declaration has lead to a significant contribution to the definition of Integrated Urban Regeneration. Influenced by the principles of the Europe 2020 strategy, a social market economy for the twenty-first century is drawn. The strategy aims to exploit the potential of European cities in overcoming the current economic crisis. Policies of recovery of the existing city and the built heritage are defined as a priority. The intervention must include a cross-cutting approach in terms of environmental, social and economic integration. This technical note analyzes the documents generated on this subject by different actors linked to housing and citizen network.La Declaración de Toledo ha significado una aportación importante para la definición del concepto de Regeneración Urbana Integrada. Influenciada por los principios de la estrategia Europa 2020, dibuja una economía social de mercado para el siglo XXI que aprovecha el potencial de las ciudades europeas de cara a la superación de la actual situación de crisis económica. Para lograrlo se definen como prioritarias las políticas de recuperación del patrimonio edificado y la ciudad existente. La intervención debe comprender un enfoque transversal basado en términos de integración medioambiental, social y económica. La presente nota técnica analiza la documentación generada por diferentes actores en torno a este debate vinculado al tejido ciudadano y la vivienda.

  9. [Professional quality of life in workers of the Toledo primary care health area].

    Science.gov (United States)

    Villarín Castro, A; Méndez García, T; Zuzuárregui Gironés, M S; Sánchez Serrano, S; Conejo Ocaña, R

    2015-01-01

    To determine the professional quality of life in the workers of the Toledo Primary Care Health Area and to analyse its components. Descriptive, cross-sectional study, performed on workers of the Toledo Primary Care Health Area with an online self-administered questionnaire. age, sex, health centre, professional group, seniority, management experience, collaboration in working groups, employment situation, and the PQL-35 professional quality of life questionnaire. A total of 430 completed questionnaires were received (45.3%), of which 68.4% were women. The mean age was 47.7±8.6 years old. Mean seniority was 21.5±9.7 years. PQL-35 results were: perception of management support 4.8±1.5; perception of workload 6.2±1.3; intrinsic motivation 7.9±1.1; job disconnection capacity 6.3±2.6; and professional quality of life 5.2±2.1. Gender differences were found in perception of management support (4.5±1.5 in males vs 4.9±1.5 in females; P=.031) and professional quality of life (4.9±2.0 vs 5.3±2.1; p=.044). Depending on the professional group, differences were found in the perception of workload (6.4±1.1 in physicians, 6.3±1.3 in nurses, 5.9±1.6 in non-sanitary professionals, and 5.3±1.2 in support units professionals; PToledo Primary Care Health Area is similar to that of other Spanish Health Areas, even in a time of economic crisis. The intrinsic motivation of the professionals is very high, in contrast with their high perception of workload and their low perception of management support. Copyright © 2014 SECA. Published by Elsevier Espana. All rights reserved.

  10. Habitation areas and funeral areas in the Neolithic of the inland Tagus basin: province of Toledo

    Directory of Open Access Journals (Sweden)

    Bueno Ramírez, Primitiva

    2002-12-01

    Full Text Available This paper offers a reflection on the social, cultural and chronological implications of the funeral world of the inland Tagus basin. In particular the data of the province of Toledo, analysed from the site of the megaliths of Azutan and the burial mound of the Castillejo, allows us to propose the contemporaneity of several architectural types in the early Megalithic culture of Iberia and the association between habitats and graves. The economic niches, mainly cultivated meadows with areas for sowing grain and pasture for animals, suggest the existence of a mixed economy in a peasant society practised by groups who returned to the same places from the earliest moments of the Neolithic to the Bronze Age.

    Se plantea una reflexión sobre las implicaciones sociales, culturales y cronológicas del mundo funerario al interior del Tajo. Concretamente los datos de la provincia de Toledo; analizados desde los yacimientos del dolmen de Azután y del túmulo del Castillejo, plantean la contemporaneidad de distintas versiones arquitectónicas en el megalitismo antiguo peninsular y la asociación manifiesta entre hábitats y sepulturas. Los nichos económicos, fundamentalmente dehesas cultivadas con zonas aclaradas para la siembra de cereal y para los pastos de los animales, abogan por proponer una economía mixta en un modelo de explotación campesina protagonizado por grupos que acuden de modo recurrente a los mismos lugares desde los momentos más antiguos del Neolítico hasta la Edad del Bronce.

  11. Effect of dead materials on calorimeter response and Monte Carlo simulation

    Energy Technology Data Exchange (ETDEWEB)

    Dharmaratna, W.G.D. (Florida State Univ., Tallahassee, FL (United States). Dept. of Physics)

    1992-01-01

    The D0 calorimeter system, cylindrical central calorimeter and two end calorimeters, is constructed with minimal cracks and dead regions in order to provide essentially hermetic coverage over the full solid angle. The effect of the existing few construction features which could perturb the uniformity of the calorimeter is studied in detail with beam tests. The results with the correction algorithms are presented. A comparison with the Monte Carlo simulation is made.

  12. Energy calibration of the barrel calorimeter of the CMD-3 detector

    Science.gov (United States)

    Anisenkov, A. V.; Aulchenko, V. M.; Bashtovoy, N. S.; Bondar, A. E.; Grebenuk, A. A.; Epifanov, D. A.; Epshteyn, L. B.; Erofeev, A. L.; Kovalenko, O. A.; Kozyrev, A. N.; Kuzmin, A. S.; Mikhailov, K. Yu.; Logashenko, I. B.; Razuvaev, G. P.; Ruban, A. A.; Shebalin, V. E.; Shwartz, B. A.; Talyshev, A. A.; Titov, V. M.; Yudin, Yu. V.

    2017-04-01

    The VEPP-2000 e+e- collider has been operated in the Budker Institute of Nuclear Physics since 2010. Experiments are carried out with two detectors CMD-3 and SND. The calorimetry at the CMD-3 detector is based on three subsystems, two coaxial barrel calorimeters—Liquid Xenon calorimeter and crystal CsI calorimeter, and end cap calorimeter with BGO crystals. This paper describes the procedures of the energy calibration of the combined barrel calorimeter of the CMD-3 detector.

  13. The lead-glass electromagnetic calorimeter for the SELEX experiment

    Energy Technology Data Exchange (ETDEWEB)

    M. Y. Balatz et al.

    2004-07-19

    A large-acceptance, highly segmented electromagnetic lead glass calorimeter for Experiment E781 (SELEX) at Fermi National Acceleration Laboratory was designed and built. This detector has been used to reconstruct photons and electrons with energies ranging from few GeV up to 500 GeV in the collisions of the 650 GeV {Sigma}{sup -} hyperons and {pi}{sup -} mesons with the target nucleons. The design, calibration and performance of the calorimeter are described. Energy resolution and position resolution are assessed using both calibration electron beams and {pi}{sup 0} mesons reconstructed in 650 GeV hadron-hadron interactions. The performance of the calorimeter in selecting resonant states that involve photons is demonstrated.

  14. OPAL Forward Calorimeter (half cylinder with lead scintillator)

    CERN Multimedia

    1 half cylinder piece is available for loan. The OPAL forward Detector Calorimeter was made in 4 half cylindrical pieces. Two full cylinders were placed round the LEP beam pipe about 3m downstream of the interaction point. The detector was used primarily to measure the luminosity of LEP (rate of interactions) and also to trigger on 2-photon events. In addition it formed an essential part of the detector coverage which OPAL needed to carry out searches for new particles such as the Higgs boson. The detector is made of scintillators sandwiched between lead sheets. The light from the scintillators passes via bars of wavelength shifter and light guides on its way to be measured by photomultipliers. There is a layer of gas filled tube chambers within the calorimeter. These provide a measure of the position of the particles interacting in the calorimeter.

  15. Prototype studies for a forward EM calorimeter in ALICE

    CERN Document Server

    Peitzmann, T

    2013-01-01

    A forward electromagnetic calorimeter (FoCal) based on SiW technology is being considered as a possible upgrade to the ALICE detector. This device should in particular feature an extremely high granularity allowing gamma/pi0 discrimination out to very high momenta. The main option considered for the high granularity layers is the use of CMOS pixel sensors. We will discuss the motivation and design principles of the proposed calorimeter and will then focus on the experience gained with a full CMOS-pixel calorimeter prototype. Preliminary results of this device show very good capabilities for shower profile measurements, and reasonable results for linearity and resolution, which are limited by the currently incomplete calibration.

  16. "Finger" structure of tiles in CMS Endcap Hadron Calorimeters

    CERN Document Server

    Afanasiev, Sergey; Danilov, Mikhail; Emeliantchik, Igor; Ershov, Yuri; Golutvin, Igor; Grinyov, B.V; Ibragimova, Elvira; Levchuk, Leonid; Litomin, Aliaksandr; Makankin, Alexander; Malakhov, Alexander; Moisenz, Petr; Nuritdinov, I; Popov, V.F; Rusinov, Vladimir; Shumeiko, Nikolai; Smirnov, Vitaly; Sorokin, Pavlo; Tarkovskiy, Evgueni; Tashmetov, A; Vasiliev, S.E; Yuldashev, Bekhzod; Zamyatin, Nikolay; Zhmurin, Petro

    2015-01-01

    Two CMS Endcap hadron calorimeters (HE) have been in operation for several years and contributed substantially to the success of the CMS Physics Program. The HE calorimeter suffered more from the radiation than it had been anticipated because of rapid degradation of scintillator segments (tiles) which have a high radiation flux of secondary particles. Some investigations of scintillators have shown that the degradation of plastic scintillator increases significantly at low dose rates. A proposal to upgrade up-grade the HE calorimeter has been prepared to provide a solution for survivability of the future LHC at higher luminosity and higher energy. A finger-strip plastic scintillator option has many advantages and is a lower cost alternative to keep the excellent HE performance at high luminosity. Measurements have been performed and this method has proved to be a good upgrade strategy.

  17. Generators, Calorimeter Trigger and J/ψ production at LHCb

    CERN Document Server

    Robbe, P

    This document presents results related to the preparation of the physics program ofLHCb: generator software development, calorimeter trigger commissioning and measurement of J/psi production. A detailed simulation is mandatory to developthe analysis tools needed for this program and a detailed generator framework hasbeen implemented which describes for example B mixing and CP violation in B decays in the LHCb hadronic environment. For hadronic decay modes, the trigger of the experiment is based at the first level on information provided by the calorimeters, and in particular the hadronic calorimeter. The large J/psi production cross-section at the LHC allows to perform, with the first data recorded, a measurement of the J/psi differential cross-section and to confront it with theoretical models to test QCD in the heavy quark sector.

  18. Calibration and monitoring of the ATLAS Tile calorimeter

    CERN Document Server

    Boumediene, Djamel Eddine; The ATLAS collaboration

    2017-01-01

    The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by the passage of charged particles is transmitted by wavelength shifting fibres to photomultiplier tubes (PMTs). PMT signals are then digitized at 40~MHz and stored on detector and are only transferred off detector once the first level trigger acceptance has been confirmed. The readout is segmented into about 5000 cells (longitudinally and transversally), each of them being read out by two PMTs in parallel. To calibrate and monitor the stability and performance of each part of the readout chain, a set of calibration systems is used. The TileCal calibration system comprises Cesium radioactive sources, laser, charge injection elements and an integrator b...

  19. CMS Hadron Endcap Calorimeter Upgrade Studies for Super-LHC

    CERN Document Server

    Bilki, Burak

    2010-01-01

    When the Large Hadron Collider approaches Super-LHC conditions above a luminosity of $10^{34} cm^{-2} s^{-1}$, the scintillator tiles of the CMS Hadron Endcap calorimeters will lose their efficiencies. As a radiation hard solution, the scintillator tiles are planned to be replaced by quartz plates. In order to improve the efficiency of the photodetection, various methods were investigated including radiation hard wavelength shifters, p-terphenyl or 4\\% gallium doped zinc oxide. We constructed a 20 layer calorimeter prototype with pTp coated plates of size 20 cm x 20 cm, and tested the hadronic and the electromagnetic capabilities at the CERN H2 beam-line. The beam tests revealed a substantial light collection increase with pTp or ZnO:Ga deposited quartz plates. Here we report on the current R\\&D for a viable endcap calorimeter solution for CMS with beam tests and radiation damage studies.

  20. The ATLAS liquid Argon calorimeters read-out system

    CERN Document Server

    Blondel, A; Fayard, L; La Marra, D; Léger, A; Matricon, P; Perrot, G; Poggioli, L; Prast, J; Riu, I; Simion, S

    2004-01-01

    The calorimetry of the ATLAS experiment takes advantage of different detectors based on the liquid Argon (LAr) technology. Signals from the LAr calorimeters are processed by various stages before being delivered to the Data Acquisition system. The calorimeter cell signals are received by the front-end boards, which digitize a predetermined number of samples of the bipolar waveform and sends them to the Read-Out Driver (ROD) boards. The ROD board receives triggered data from 1028 calorimeter cells, and determines the precise energy and timing of the signals by processing the discrete samplings of the pulse. In addition, it formats the digital stream for the following elements of the DAQ chain, and performs monitoring. The architecture and functionality of the ATLAS LAr ROD board are discussed, along with the final design of the Processing Unit boards housing the Digital Signal Processors (DSP). (9 refs).

  1. R&D proposal the prism plastic calorimeter:PPC

    CERN Document Server

    Dobrzynski, Ludwik; Marchand, P; Nédélec, P; Salin, P; CERN. Geneva. Detector Research and Development Committee

    1990-01-01

    This proposal supports two goals: First Goal_Demonstrate that current, widely used plastic technologies allow to design Prism Plastic Calorimeter (PPC) towers with a new "liquid crystal" type plastic called Vectra. It will be shown that this technique meets the requirements for a LHC calorimeter with warm liquids: safety, hermeticity, hadronic compensation, resolution and time response. Second Goal_ Describe how one can design a warm liquid calorimeter integrated into a LHC detector,and list the advantages of the PPC: low price, minimum of mechanical structures, minimum amount of dead space, easiness of mechanical assembly, accessibility to the electronics, possibility to recirculate the liquid. The absorber and the electronics being outside the liquid and easily accessible, one has maximum flexibility to define them. The R&D program we define here aims at showing the feasibility of these new ideas by building nine towers of twenty gaps and exposing them to electron and hadron beams.

  2. Calibration of the Tile Hadronic Calorimeter of ATLAS at LHC

    CERN Document Server

    Boumediene, D

    2015-01-01

    The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. It is a sampling calorimeter with iron plates as absorber and plastic scintillating tiles as the active material. The scintillation light produced by the passage of charged particles is transmitted by wavelength shifting fibers to about 10000 photomultiplier tubes (PMTs). Integrated to the calorimeter, there is a composite device that allows to monitor and/or equalize the signals at various stages of their formation. This device is based on signal generation from different sources: radioactive, Laser, charge injection and minimum bias events produced in proton-proton collisions. Recent performances of these systems as well TileCal calibration stability are presented.

  3. Calibration and Monitoring systems of the ATLAS Tile Hadron Calorimeter

    CERN Document Server

    BOUMEDIENE, D; The ATLAS collaboration

    2012-01-01

    The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. It is a sampling calorimeter with iron plates as absorber and plastic scintillating tiles as the active material. The scintillation light produced by the passage of charged particles is transmitted by wavelength shifting fibers to about 10000 photomultiplier tubes (PMTs). Integrated to the calorimeter, there is a composite device that allows to monitor and/or equalize the signals at various stages of their formation. This device is based on signal generation from different sources: radioactive, LASER, charge injection and minimum bias events produced in proton-proton collisions. Recent performances of these systems are presented.

  4. Calibration and Monitoring systems of the ATLAS Tile Hadron Calorimeter

    CERN Document Server

    BOUMEDIENE, D; The ATLAS collaboration

    2012-01-01

    The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. It is a sampling calorimeter with iron plates as absorber and plastic scintillating tiles as the active material. The scintillation light produced by the passage of charged particles is transmitted by wavelength shifting fibers to about 10000 photomultiplier tubes (PMTs). Integrated on the calorimeter there is a composite device that allows to monitor and/or equalize the signals at various stages of its formation. This device is based on signal generation from different sources: radioactive, LASER and charge injection and minimum bias events produces in proton-proton collisions. In this contribution is given a brief description of the different systems hardware and presented the latest results on their performance, like the determination of the conversion factors, linearity and stability.

  5. Calibration of the Tile Hadronic Calorimeter of ATLAS at LHC

    CERN Document Server

    Boumediene, D; The ATLAS collaboration

    2014-01-01

    The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. It is a sampling calorimeter with iron plates as absorber and plastic scintillating tiles as the active material. The scintillation light produced by the passage of charged particles is transmitted by wavelength shifting fibers to about 10000 photomultiplier tubes (PMTs). Integrated on the calorimeter there is a composite device that allows to monitor and/or equalize the signals at various stages of its formation. This device is based on signal generation from different sources: radioactive, LASER and charge injection and minimum bias events produces in proton-proton collisions. In this contribution is given a brief description of the different systems hardware and presented the latest results on their performance, like the determination of the conversion factors, linearity and stability.

  6. The ATLAS liquid argon calorimeters Read Out Driver (ROD) system

    CERN Document Server

    Henry-Coüannier, F

    2000-01-01

    The electronic Readout chain for the Liquid Argon calorimeters of the ATLAS detector is briefly presented. Special attention is given to the Read Out Drivers (ROD) which will receive the triggered data from approximately 200,000 calorimeter cells at a 100 kHz event rate. In the ROD boards the energy will be computed for each cell from discrete samples of the waveform using optimal filtering algorithms running in fast digital signal processors. The monitoring of the calorimeter data will also be performed at the ROD level. Performances expected in ATLAS which have been evaluated from simulation studies are presented. A demonstrator system currently under construction is described and performances of the Processing Units (DSP daughter boards) are presented. 4 Refs.

  7. Development of Metallic Magnetic Calorimeters for Nuclear Safeguards Applications

    Energy Technology Data Exchange (ETDEWEB)

    Bates, Cameron Russell [Univ. of California, Berkeley, CA (United States)

    2015-03-11

    Many nuclear safeguards applications could benefit from high-resolution gamma-ray spectroscopy achievable with metallic magnetic calorimeters. This dissertation covers the development of a system for these applications based on gamma-ray detectors developed at the University of Heidelberg. It demonstrates new calorimeters of this type, which achieved an energy resolution of 45.5 eV full-width at half-maximum at 59.54 keV, roughly ten times better than current state of the art high purity germanium detectors. This is the best energy resolution achieved with a gamma-ray metallic magnetic calorimeter at this energy to date. In addition to demonstrating a new benchmark in energy resolution, an experimental system for measuring samples with metallic magnetic calorimeters was constructed at Lawrence Livermore National Laboratory. This system achieved an energy resolution of 91.3 eV full-width at half-maximum at 59.54 keV under optimal conditions. Using this system it was possible to characterize the linearity of the response, the count-rate limitations, and the energy resolution as a function of temperature of the new calorimeter. With this characterization it was determined that it would be feasible to measure 242Pu in a mixed isotope plutonium sample. A measurement of a mixed isotope plutonium sample was performed over the course of 12 days with a single two-pixel metallic magnetic calorimeter. The relative concentration of 242Pu in comparison to other plutonium isotopes was determined by direct measurement to less than half a percent accuracy. This is comparable with the accuracy of the best-case scenario using traditional indirect methods. The ability to directly measure the relative concentration of 242Pu in a sample could enable more accurate accounting and detection of indications of undeclared activities in nuclear safeguards, a better constraint on source material in forensic samples containing plutonium, and improvements in verification in a future plutonium

  8. Development of the CsI Calorimeter Subsystem for AMEGO

    Science.gov (United States)

    Grove, J. Eric; Woolf, Richard; Johnson, W. Neil; Phlips, Bernard

    2018-01-01

    We report on the development of the thallium-doped cesium iodide (CsI:Tl) calorimeter subsystem for the All-Sky Medium-Energy Gamma-ray Observatory (AMEGO). The CsI calorimeter is one of the three main subsystems that comprise the AMEGO instrument suite; the others include the double-sided silicon strip detector (DSSD) tracker/converter and a cadmium zinc telluride (CZT) calorimeter. Similar to the LAT instrument on Fermi, the hodoscopic calorimeter consists of orthogonally layered CsI bars. Unlike the LAT, which uses PIN photodiodes, the scintillation light readout from each end of the CsI bar is done with recently developed large-area silicon photomultiplier (SiPM) arrays. We currently have an APRA program to develop the calorimeter technology for a larger, future space-based gamma-ray observatory. Under this program, we are building and testing a prototype calorimeter consisting of 24 CsI bars (16.7 mm x 16.7 mm x 100 mm) arranged in 4 layers with 6 bars per layer. The ends of each bar are read out with a 2 x 2 array of 6 mm x 6 mm SensL J series SiPMs. Signal readout and processing is done with the IDEAS SIPHRA (IDE3380) ASIC. Performance testing of this prototype will be done with laboratory sources, a beam test, and a balloon flight in conjunction with the other subsystems led by NASA GSFC. Additionally, we will test 16.7 mm x 16.7 mm x 450 mm CsI bars with SiPM readout to understand the performance of longer bars in advance of the developing the full instrument.Acknowledgement: This work was sponsored by the Chief of Naval Research (CNR) and NASA-APRA (NNH15ZDA001N-APRA).

  9. Construction of a Forward Electro-magnetic Calorimeter SCISSORS III(I. Nuclear Physics)

    OpenAIRE

    石川, 貴嗣; 深澤, 宏司; 橋本, 亮; 石田, 孝司; 笠木, 治郎太; 鍬崎, 秀三; 宮原, 房史; 望月, 恵一; 中林, 匡; 縄, 健一; 岡田, 康友紀; 岡村, 憲有; 小野寺, 義人; 齋藤, 雄高; 清水, 肇

    2006-01-01

    A new electro-magnetic calorimeter complex FOREST with a solid angle of about 4π in total is under construction. It consists of three calorimeters: a forward one with CsI crystals, a middle one with lead scintillating fiber modules, and a backward one with lead glass Cerenkov counters. Recently, the forward calorimeter SCISSORS III takes shape.

  10. ‘Breaking the myth: Toledo Cathedral on the international stage’: Toledo Cathedral: Building Histories in Medieval Castile by Tom Nickson, University Park, Pensylvannia: The Pennsylvania University Press, 2015

    Directory of Open Access Journals (Sweden)

    Matilde Mateo

    2017-12-01

    Full Text Available This review analyzes the contribution of Tom Nickson´s study from the position given to Spain within European Gothic by the Anglophone historiography. It argues that Nickson´s book is a radical departure from previous historiography, which had condemned Toledo Cathedral, and all Spanish gothic monuments, because they were thought to be mere copies of European models. Nickson, however, convincingly argues that Toledo Cathedral is a monument as interesting as its canonical French and English counterparts. He does so by employing a holistic, integrated, and diachronic approach, with an impressive amount of information, much of it new, which addresses some of the latest concerns in the historiography of art, the humanities, and the social sciences, such as the creation of an identity through the creation of memories.

  11. Study of a Novel Concept for a Liquid Argon Calorimeter \

    CERN Multimedia

    2002-01-01

    % RD33 \\\\ \\\\ The development of a fast, highly granular and compact electromagnetic liquid argon calorimeter prototype is proposed as a generic R\\&D project for a novel concept of calorimetry in proton-proton and electron-positron collider detectors: the $^{\\prime$Thin Gap Turbine$^{\\prime}$ (TGT). The TGT calorimeter has a modular construction, is flexible in its longitudinal and transverse granularity, and offers a uniform energy response and resolution, independent of the production angle of incident particles. An important aspect of the project is the development of fast, radiation-hard front-end electronics which is operating in the cold.

  12. An engineering prototype of the Imaging Calorimeter for ACCESS (ICA)

    Science.gov (United States)

    Rielage, K.; Christl, M.; Adams, J.; Binns, W. R.; Fountain, W.; Hink, P.; Howell, L.; Israel, M.; Kippen, R. M.; Lee, J.; Parnell, T.; Watts, J.

    2001-08-01

    The Imaging Calorimeter for ACCESS (Advanced Cosmic-ray Composition Experiment for Space Station) is one of several proposed concepts for the ACCESS calorimeter instrument designed to measure the spectrum of protons, helium and heavier nuclei up to ~10 15 eV. This design utilizes a carbon target and high atomic number absorber sampled by thin layers of scintillating fibers. An engineering prototype detector was tested at CERN in August 2000 composed of 15 radiation lengths of interaction material with two types of readout: photomultiplier tubes and an image intensified CCD system. An overview of this prototype and its performance will be presented.

  13. Tests of CMS Hadron Forward Calorimeter Upgrade Readout Box Prototype

    CERN Document Server

    Chatrchyan, Sergey; Sirunyan, Albert; Tumasyan, Armen; Mossolov, Vladimir; Shumeiko, Nikolai; Cornelis, Tom; Ochesanu, Silvia; Roland, Benoit Florent; Staykova, Zlatka; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Spilbeeck, Alex; Alves, Gilvan Augusto; Martins, Thiago Dos Reis; Pol, Maria Elena; Vaz Da Silva Filho, Mario; Alda Junior, Walter Luiz; Carvalho, Wagner De Paula; Chinellato, Jose Augusto; De Oliveira Martins, Carley Pedro; Figueiredo, Diego Matos; Tonelli Manganote, Edmilson Jose; Molina Insfran, Jorge Andres; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Rosa Lopes Zachi, Alessandro; Finger, Miroslav; Finger, Michael; Tsamalaidze, Zviad; Borras, Kerstin; Gunnellini, Paolo; Jung, Hannes; Knutsson, Albert Hans; Lutz, Benjamin; Ribeiro Cipriano, Pedro Miguel; Sen, Niladri; Baus, Colin; Katkov, Igor; Ulrich, Ralf Matthias; Wohrmann, H; Panagiotou, Apostolos; Bencze, Gyorgy; Horvath, D; Bala, Suman; Gupta, Ruchi; Jindal, M; Lal, Manjit Kaur; Nishu, Nishu; Saini, Lovedeep Kaur; Banerjee, Sunanda; Bhattacharya, S; Gomber, Bhawna; Jain, Shilpi; Khurana, Raman; Sharan, Manoj Kumar; Aziz, Tariq; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Mohanty, Gagan Bihari; Katta, Sudhakar; Banerjee, Sudeshna; Dugad, Shashikant Raichand; Etesami, Seyed Mohsen; Fahim, Ali; Jafari, Abideh; Paktinat Mehdiabadi, Saeid; Zeinali, Maryam; Penzo, Aldo; Afanasyev, A; Bunin, Pavel; Ershov, Yuri; Fedoseev, Oleg; Gavrilenko, Mikhail; Golutvin, Igor; Gorbunov, Ilya; Konoplynikov, V; Malakhov, Alexander; Moisenz, Petr; Smirnov, Vitaly; Volodko, Anton; Zarubin, Anatoly; Andreev, Yuri; Dermenev, Alexander; Krasnikov, Nikolay; Pashenkov, Anatoli; Tlisov, Danila; Toropin, A; Epshteyn, Vladimir; Erofeeva, Maria; Gavrilov, Vladimir; Kosov, Mikhail Vladimirovich; Kudinov, Ilya; Lychkovskaya, Natalia; Popov, V; Safronov, Grigory; Semenov, Sergey; Stolin, Viatcheslav; Vlassov, Evgueni; Zhokin, Alexander; Belyaev, A; Boos, Eduard; Dubinin, Mikhail; Dudko, Lev; Ershov, Alexander; Gribushin, Andrey; Klyukhin, Vyacheslav; Kodolova, Olga; Korotkikh, Vladimir; Lokhtin, Igor; Markina, Anastasia; Obraztsov, Stepan; Perfilov, Maxim; Petrushanko, Sergey; Popov, Andrey; Savrin, Victor; Snigirev, Alexander; Vardanyan, Irina; Andreev, V; Azarkin, Maksim; Dremin, Igor; Kirakosyan, Martin; Leonidov, Andrey; Mesyats, Gennady; Vinogradov, Alexey; Bayshev, Igor; Bityukov, Sergey; Grishin, Viatcheslav; Kryshkin, Victor; Petrov, V; Ryutin, Roman; Sobol, Andrey; Turchanovich, Leonid; Troshin, Sergey; Uzunyan, Andrey; Volkov, Alexey; Santanastasio, Francesco; Adiguzel, Aytul; Bakirci, Numan Mustafa; Cerci, Salim; Dozen, Candan; Dumanoglu, Isa; Eskut, Eda; Girgis, Semiray; G�kbulut, Gul; Gurpinar, Emine; Hos, Ilknur; Kangal, Evrim Ersin; Karapinar, Guler; Kayis Topaksu, Aysel; Onengut, Gulsen; Ozdemir, Kadri; Ozturk, Sertac; Polatoz, Ayse; Sogut, Kenan; Sunar Cerci, Deniz; Tali, Bayram; Topakli, Huseyin; Vergili, Latife Nukhet; Vergili, Mehmet; Aliyev, Takhmasib; Deniz, Muhammed; Guler, Ali Murat; Ozpineci, Altug; Serin, Meltem; Sever, Ramazan; Zeyrek, Mehmet; Deliomeroglu, Mehmet; Gulmez, Erhan; Isildak, Bora; Kaya, Mithat; Kaya, Ozlem; Ozkorucuklu, Suat; Sonmez, Nasuf; Cankocak, Kerem; Levchuk, Leonid; Hatakeyama, Kenichi; Liu, H; Scarborough, Tara Ann; Rumerio, Paolo; Heister, Arno; Hill, C; Lawson, Philip Daniel; Lazic, Dragoslav; Rohlf, James; St. John, Jason; Sulak, Lawrence; Gennadiy, G; Laird, Edward; Landsberg, Greg; Narain, Meenakshi; Sinthuprasith, Tutanon; Tsang, Ka Vang; Long, Owen Rosser; Nguyen, Harold; Paramesvaran, Sudarshan; Sturdy, Jared; Stuart, David; To, Wing; West, Christopher Alan; Apresyan, Artur; Chen, Y; Mott, Alexander Robert; Spiropulu, Maria; Winn, David; Abdoulline, Salavat; Anderson, J; Chlebana, Frank; Freeman, James; Green, Daniel; Hanlon, J; Hirschauer, James Francis; Joshi, Umeshwar; Kunori, Shuichi; Musienko, Yuri; Sharma, Seema; Spalding, William Jeffrey; Tkaczyk, Slawomir; Vidal, Richard; Whitmore, Juliana; Wu, W; Gaultney, Vanessa; Linn, Stephan; Markowitz, Pete Edward; Martinez, German Ruben; Gleyzer, Sergei; Hagopian, Sharon Lee; Hagopian, Vasken; Jenkins, Charles Merrill; Baarmand, Marc M; Dorney, Brian L; Vodopiyanov, Igor; Akgun, Ugur; Albayrak, Elif Asli; Bilki, Burak; Clarida, Warren James; Duru, Firdevs; Merlo, Jean-Pierre; Mermerkaya, Hamit; Mestvirishvili, Alexi; Moeller, Anthony Richard; Nachtman, Jane; Newsom, Charles Ray; Norbeck, John Edwin; Olson, Jonathan Edward; Onel, Yasar; Ozok, Ferhat; Sen, Sercan; Schmidt, Ianos; Tiras, Emrah; Yetkin, Taylan; Yi, Kai; Kenny, Raymond Patrick; Murray, Michael Joseph; Wood, Jeffrey Scott; Baden, Andrew; Calvert, Brian Michael; Eno, Sarah Catherine; Gomez, Jaime Arturo; Grassi, Tullio; Hadley, Nicholas John; Kellogg, Richard; Kolberg, Ted; Lu, Y; Marionneau, Matthieu; Mignerey, Alice Louise Cox; Peterman, Alison Marie; Skuja, Andris; Temple, Jeffrey; Tonjes, Marguerite Belt; Kao, Shih-Chuan; Klapoetke, Kevin Humphrey; Mans, Jeremiah Michael; Pastika, Nathaniel Joseph; Kroeger, Robert; Rahmat, Rahmat; Sanders, David; Cremaldi, Lucien Marcus; Jain, S; Anastassov, Anton; Velasco, Mayda Marie; Won, Steven; Heering, Adriaan; Karmgard, Daniel; Pearson, Tessa Jae; Ruchti, Randal; Berry, Edmund A; Halyo, Valerie; Hebda, Philip; Hunt, Adam Paul; Lujan, Paul Joseph; Marlow, Daniel; Medvedeva, Tatiana; Saka, Halil; Tully, Christopher; Zuranski, Andrzej Maciej; Barnes, Virgil Everett; Laasanen, Alvin; Bodek, Arie; Chung, Yeon Sei; de Barbaro, Pawel Jan; Eshaq, Yossof; Garcia-bellido, Aran Angel; Goldenzweig, Pablo David; Han, Ji Yeon; Harel, Amnon; Miner, Daniel Carl; Vishnevskiy, Dmitry; Zielinski, Marek; Bhatti, Anwar; Ciesielski, Robert Adam; Flanagan, Will Hogan; Kamon, Teruki; Montalvo, Roy Joaquin; Sakuma, Tai; Akchurin, Nural; Damgov, Jordan; Dudero, Phillip Russell; Kovitanggoon, Kittikul; Lee, Sung Won; Libeiro, Terence; Volobouev, Igor; Gurrola, Alfredo; Milstene, Caroline

    2012-01-01

    A readout box prototype for CMS Hadron Forward calorimeter upgrade is built and tested in CERN H2 beamline. The prototype is designed to enable simultaneous tests of different readout options for the four anode upgrade PMTs, new front-end electronics design and new cabling. The response of the PMTs with different readout options is uniform and the background response is minimal. Multi-channel readout options further enhance the background elimination. Passing all the electronics, mechanical and physics tests, the readout box proves to be capable of providing the forward hadron calorimeter operations requirements in the upgrade era.

  14. Study of Silicon Photomultipliers for the GRIPS Calorimeter Module

    Directory of Open Access Journals (Sweden)

    Alexei Ulyanov

    2013-01-01

    Full Text Available GRIPS is a proposed gamma-ray (200 keV to 80 MeV astronomy mission, which incorporates a pair-creation and Compton scattering telescope, along with X-ray and infrared telescopes. It will carry out a sensitive all-sky scanning survey, investigating phenomena such as gamma-ray bursts, blazars and core collapse supernovae. The main telescope is composed of a Si strip detector surroundedby a calorimeter with a fast scintillator material. We present the initial results of a study which considers the potential use of silicon photomultipliers in conjunction with the scintillator in the GRIPS calorimeter module.

  15. The upgrade of the ATLAS first-level calorimeter trigger

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00227035; The ATLAS collaboration

    2016-01-01

    The first-level calorimeter trigger (L1Calo) had operated successfully through the first data taking phase of the ATLAS experiment at the CERN Large Hadron Collider. Toward forthcoming LHC runs, a series of upgrades is planned for L1Calo to face new challenges posed by the upcoming increases of the beam energy and the luminosity. This article reviews the ATLAS L1Calo trigger upgrade project that introduces new architectures for the liquid-argon calorimeter trigger readout and the L1Calo trigger processing system.

  16. Trigger processing using reconfigurable logic in the CMS calorimeter trigger

    CERN Document Server

    Brooke, J J; Heath, G P; Maddox, A J; Newbold, D; Rabbetts, P D

    2001-01-01

    We present the design of the Global Calorimeter Trigger processor for the CMS detector at LHC. This is a fully pipelined processor system which collects data from all the CMS calorimeters and produces summary information used in forming the Level-1 trigger decision for each event. The design in based on the use of state-of-the-art reconfigurable logic devices (FPGAs) and fast data links. We present the results of device testing using a low-latency pipelined sort algorithm, which demonstrate that an FPGA can be used to perform processing previously foreseen to require custom ASICs. Our design approach results in a powerful, flexible and compact processor system. (0 refs).

  17. The NOE scintillating fiber calorimeter prototype test results

    CERN Document Server

    Alexandrov, K V; Bernardini, P; Brigida, M; Campana, D; Candela, A M; Caruso, R; Cassese, F; Ceres, A; D'Aquino, B; De Cataldo, G; De Mitri, I; Di Credico, A; Favuzzi, C; Fusco, P; Gargano, F; Giglietto, N; Giordano, F; Grillo, A; Guarino, F; Gustavino, C; Lamanna, E; Lauro, A; Leone, A; Loparco, F; Mancarella, G; Martello, D; Mazziotta, M N; Mikheyev, S P; Mongelli, M; Osteria, G; Palladino, Vittorio; Passeggio, G; Perchiazzi, M; Pontoniere, G; Rainó, A; Rocco, R; Romanucci, E; Rubizzo, U; Sacchetti, A; Scapparone, E; Spinelli, P; Tikhomirov, V; Vaccina, A; Vanzanella, E; Weber, M

    2001-01-01

    An intense R&D program has been carried out by the NOE collaboration during the last years, to develop a massive fine grain scintillating fiber calorimeter, to be used, in combination with an appropriate target, in a long base line experiment at the CERN to Gran Sasso (CNGS) neutrino beam. The performance of a 4 ton NOE calorimeter prototype exposed to a test beam at CERN PS is shown. Results on the linearity, electromagnetic and hadronic energy resolution are reported and compared with the Monte Carlo predictions. (13 refs).

  18. Design and Prototyping of a High Granularity Scintillator Calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Zutshi, Vishnu [Northern Illinois Univ., DeKalb, IL (United States). Dept. of Physics

    2016-03-27

    A novel approach for constructing fine-granularity scintillator calorimeters, based on the concept of an Integrated Readout Layer (IRL) was developed. The IRL consists of a printed circuit board inside the detector which supports the directly-coupled scintillator tiles, connects to the surface-mount SiPMs and carries the necessary front-end electronics and signal/bias traces. Prototype IRLs using this concept were designed, prototyped and successfully exposed to test beams. Concepts and implementations of an IRL carried out with funds associated with this contract promise to result in the next generation of scintillator calorimeters.

  19. Measurement of the Contribution of Neutrons to Hadron Calorimeter Signals

    CERN Document Server

    Akchurin, N; Cardini, A; Ferrari, R; Gaudio, G; Hauptman, J; Kim, H; La Rotonda, L; Livan, M; Meoni, E; Paar, H; Penzo, Aldo L; Pinci, D; Policicchio, Antonio; Popescu, S; Susinno, G; Roh, Y; Vandelli, W; Wigmans, R

    2007-01-01

    The contributions of neutrons to hadronic signals from the DREAM calorimeter are measured by analyzing the time structure of these signals. The neutrons, which mainly originate from the evaporation stage of nuclear breakup in the hadronic shower development process, contribute through elastic scattering off protons in the plastic scintillating fibers which provide the $dE/dx$ information in this calorimeter. This contribution is characterized by an exponential tail in the pulse shape, with a time constant of $\\sim 25$ ns. The relative contribution of neutrons to the signals increases with the distance from the shower axis. As expected, the neutrons do not contribute to the DREAM \\v{C}erenkov signals.

  20. ATLAS Tile Calorimeter: simulation and validation of the response

    CERN Document Server

    Faltova, J; The ATLAS collaboration

    2014-01-01

    The Tile Calorimeter (TileCal) is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider. Scintillation light produced in the tiles is readout by wavelength shifting fibers and transmitted to photomultiplier tubes (PMTs). The resulting electronic signals from approximately 10000 PMTs are measured and digitized before being further transferred to off-detector data-acquisition systems. Detailed simulations are described in this contribution, ranging from the implementation of the geometrical elements to the realistic description of the electronics readout pulses, including specific noise treatment and the signal reconstruction. Special attention is given to the improved optical signal propagation and the validation with the real particle data.

  1. Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter

    CERN Document Server

    Ajaltouni, Ziad J; Alifanov, A; Amaral, P; Ambrosini, G; Amorim, A; Anderson, K J; Astvatsaturov, A R; Aubert, Bernard; Augé, E; Autiero, D; Azuelos, Georges; Badaud, F; Baisin, L; Battistoni, G; Bazan, A; Bee, C P; Bellettini, Giorgio; Berglund, S R; Berset, J C; Blaj, C; Blanchot, G; Blucher, E; Bogush, A A; Bohm, C; Boldea, V; Borisov, O N; Bosman, M; Bouhemaid, N; Brette, P; Bromberg, C; Brossard, M; Budagov, Yu A; Buono, S; Calôba, L P; Camin, D V; Canton, B; Casado, M P; Cavalli, D; Cavalli-Sforza, M; Cavasinni, V; Chadelas, R; Chase, Robert L; Chekhtman, A; Chevaleyre, J C; Chevalley, J L; Chirikov-Zorin, I E; Chlachidze, G; Chollet, J C; Cobal, M; Cogswell, F; Colas, Jacques; Collot, J; Cologna, S; Constantinescu, S; Costa, G; Costanzo, D; Cozzi, L; Crouau, M; Dargent, P; Daudon, F; David, M; Davidek, T; Dawson, J; De, K; de La Taille, C; Del Prete, T; Depommier, P; de Saintignon, P; De Santo, A; Dinkespiler, B; Di Girolamo, B; Dita, S; Dolejsi, J; Dolezal, Z; Downing, R; Dugne, J J; Duval, P Y; Dzahini, D; Efthymiopoulos, I; Errede, D; Errede, S; Etienne, F; Evans, H; Fassnacht, P; Fedyakin, N N; Ferrari, A; Ferreira, P; Ferrer, A; Flaminio, Vincenzo; Fouchez, D; Fournier, D; Fumagalli, G; Gallas, E J; Gaspar, M; Gianotti, F; Gildemeister, O; Gingrich, D M; Glagolev, V V; Golubev, V B; Gómez, A; González, J; Gordon, H A; Grabskii, V; Hakopian, H H; Haney, M; Hellman, S; Henriques, A; Holmgren, S O; Honoré, P F; Hostachy, J Y; Huston, J; Ivanyushenkov, Yu M; Jézéquel, S; Johansson, E K; Jon-And, K; Jones, R; Juste, A; Kakurin, S; Karapetian, G V; Karyukhin, A N; Khokhlov, Yu A; Klioukhine, V I; Kolomoets, V; Kopikov, S V; Kostrikov, M E; Kovtun, V E; Kukhtin, V V; Kulagin, M; Kulchitskii, Yu A; Laborie, G; Lami, S; Lapin, V; Lebedev, A; Lefebvre, M; Le Flour, T; Leitner, R; León-Florián, E; Leroy, C; Le Van-Suu, A; Li, J; Liba, I; Linossier, O; Lokajícek, M; Lomakin, Yu F; Lomakina, O V; Lund-Jensen, B; Mahout, G; Maio, A; Malyukov, S N; Mandelli, L; Mansoulié, B; Mapelli, Livio P; Marin, C P; Marroquin, F; Martin, L; Mazzanti, M; Mazzoni, E; Merritt, F S; Michel, B; Miller, R; Minashvili, I A; Miotto, A; Miralles, L; Mnatzakanian, E A; Monnier, E; Montarou, G; Mornacchi, Giuseppe; Muanza, G S; Nagy, E; Némécek, S; Nessi, Marzio; Nicoleau, S; Noppe, J M; Olivetto, C; Orteu, S; Padilla, C; Pallin, D; Pantea, D; Parrour, G; Pereira, A; Perini, L; Perlas, J A; Pétroff, P; Pilcher, J E; Pinfold, James L; Poggioli, Luc; Poirot, S; Polesello, G; Price, L; Protopopov, Yu; Proudfoot, J; Pukhov, O; Radeka, V; Rahm, David Charles; Reinmuth, G; Renardy, J F; Renzoni, G; Resconi, S; Richards, R; Riu, I; Romanov, V; Ronceux, B; Rumyantsev, V; Rusakovitch, N A; Sala, P R; Sanders, H; Sauvage, G; Savard, P; Savoy-Navarro, Aurore; Sawyer, L; Says, L P; Schaffer, A C; Scheel, C V; Schwemling, P; Schindling, J; Seguin-Moreau, N; Seixas, J M; Selldén, B; Seman, M; Semenov, A A; Senchyshyn, V G; Serin, L; Shchelchkov, A S; Shevtsov, V P; Shochet, M J; Sidorov, V; Simaitis, V J; Simion, S; Sissakian, A N; Solodkov, A A; Sonderegger, P; Soustruznik, K; Stanek, R; Starchenko, E A; Stephani, D; Stephens, R; Studenov, S; Suk, M; Surkov, A; Tang, F; Tardell, S; Tas, P; Teiger, J; Teubert, F; Thaler, J J; Tisserant, S; Tokár, S; Topilin, N D; Trka, Z; Turcot, A S; Turcotte, M; Valkár, S; Vartapetian, A H; Vazeille, F; Vichou, I; Vinogradov, V; Vorozhtsov, S B; Vuillemin, V; Wagner, D; White, Alan R; Wingerter-Seez, I; Yamdagni, N; Yarygin, G; Yosef, C; Zaitsev, A; Zdrazil, M; Zitoun, R; Zolnierowski, Y

    1996-01-01

    The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the barrel calorimeter of the future ATLAS experiment at the LHC. The energy resolution of pions in the energy range from 20 to 300~GeV at an incident angle $\\theta$ of about 11$^\\circ$ is well-described by the expression $\\sigma/E = ((46.5 \\pm 6.0)\\%/\\sqrt{E} +(1.2 \\pm 0.3)\\%) \\oplus (3.2 \\pm 0.4)~\\mbox{GeV}/E$. Shower profiles, shower leakage, and the angular resolution of hadronic showers were also studied.

  2. Results from a new combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter

    CERN Document Server

    Akhmadaliev, S Z; Amaral, P; Ambrosini, G; Amorim, A; Anderson, K; Andrieux, M L; Aubert, Bernard; Augé, E; Badaud, F; Baisin, L; Barreiro, F; Battistoni, G; Bazan, A; Bazizi, K; Bee, C P; Belorgey, J; Belymam, A; Benchekroun, D; Berglund, S R; Berset, J C; Blanchot, G; Bogush, A A; Bohm, C; Boldea, V; Bonivento, W; Borgeaud, P; Borisov, O N; Bosman, M; Bouhemaid, N; Breton, D; Brette, P; Bromberg, C; Budagov, Yu A; Burdin, S V; Calôba, L P; Camarena, F; Camin, D V; Canton, B; Caprini, M; Carvalho, J; Casado, M P; Cases, R; Castillo, M V; Cavalli, D; Cavalli-Sforza, M; Cavasinni, V; Chadelas, R; Chalifour, M; Chekhtman, A; Chevalley, J L; Chirikov-Zorin, I E; Chlachidze, G; Chollet, J C; Citterio, M; Cleland, W E; Clément, C; Cobal, M; Cogswell, F; Colas, Jacques; Collot, J; Cologna, S; Constantinescu, S; Costa, G; Costanzo, D; Coulon, J P; Crouau, M; Dargent, P; Daudon, F; David, M; Davidek, T; Dawson, J; De, K; Delagnes, E; de La Taille, C; Del Peso, J; Del Prete, T; de Saintignon, P; Di Girolamo, B; Dinkespiler, B; Dita, S; Djama, F; Dodd, J; Dolejsi, J; Dolezal, Z; Downing, R; Dugne, J J; Duval, P Y; Dzahini, D; Efthymiopoulos, I; Errede, D; Errede, S; Etienne, F; Evans, H; Eynard, G; Farida, F; Fassnacht, P; Fedyakin, N N; Fernández de Troconiz, J; Ferrari, A; Ferrer, A; Flaminio, Vincenzo; Fournier, D; Fumagalli, G; Gallas, E J; García, G; Gaspar, M; Gianotti, F; Gildemeister, O; Glagolev, V; Glebov, V Yu; Gómez, A; González, V; González de la Hoz, S; Gordeev, A; Gordon, H A; Grabskii, V; Graugès-Pous, E; Grenier, P; Hakopian, H H; Haney, M; Hébrard, C; Henriques, A; Henry-Coüannier, F; Hervás, L; Higón, E; Holmgren, S O; Hostachy, J Y; Hoummada, A; Huet, M; Huston, J; Imbault, D; Ivanyushenkov, Yu M; Jacquier, Y; Jézéquel, S; Johansson, E K; Jon-And, K; Jones, R; Juste, A; Kakurin, S; Karst, P; Karyukhin, A N; Khokhlov, Yu A; Khubua, J I; Klioukhine, V I; Kolachev, G M; Kolomoets, V; Kopikov, S V; Kostrikov, M E; Kovtun, V E; Kozlov, V; Krivkova, P; Kukhtin, V V; Kulagin, M; Kulchitskii, Yu A; Kuzmin, M V; Labarga, L; Laborie, G; Lacour, D; Lami, S; Lapin, V; Le Dortz, O; Lefebvre, M; Le Flour, T; Leitner, R; Leltchouk, M; Le Van-Suu, A; Li, J; Liapis, C; Linossier, O; Lissauer, D; Lobkowicz, F; Lokajícek, M; Lomakin, Yu F; Lomakina, O V; López-Amengual, J M; Lottin, J P; Lund-Jensen, B; Lundqvist, J M; Maio, A; Makowiecki, D S; Malyukov, S N; Mandelli, L; Mansoulié, B; Mapelli, Livio P; Marin, C P; Marrocchesi, P S; Marroquin, F; Martin, L; Martin, O; Martin, P; Maslennikov, A M; Massol, N; Mazzanti, M; Mazzoni, E; Merritt, F S; Michel, B; Miller, R; Minashvili, I A; Miralles, L; Mirea, A; Mnatzakanian, E A; Monnier, E; Montarou, G; Mornacchi, Giuseppe; Mosidze, M D; Moynot, M; Muanza, G S; Nagy, E; Nayman, P; Némécek, S; Nessi, Marzio; Nicod, D; Nicoleau, S; Niculescu, M; Noppe, J M; Onofre, A; Pallin, D; Pantea, D; Paoletti, R; Park, I C; Parrour, G; Parsons, J; Pascual, J I; Pereira, A; Perini, L; Perlas, J A; Perrodo, P; Petroff, P; Pilcher, J E; Pinhão, J; Plothow-Besch, Hartmute; Poggioli, Luc; Poirot, S; Price, L; Protopopov, Yu; Proudfoot, J; Pukhov, O; Puzo, P; Radeka, V; Rahm, David Charles; Reinmuth, G; Renardy, J F; Renzoni, G; Rescia, S; Resconi, S; Richards, R; Richer, J P; Riu, I; Roda, C; Roldán, J; Romance, J B; Romanov, V; Romero, P; Rusakovitch, N A; Sala, P R; Sanchis, E; Sanders, H; Santoni, C; Santos, J; Sauvage, D; Sauvage, G; Savoy-Navarro, Aurore; Sawyer, L; Says, L P; Schaffer, A C; Schwemling, P; Schwindling, J; Seguin-Moreau, N; Seidl, W; Seixas, J M; Selldén, B; Seman, M; Semenov, A A; Senchyshyn, V G; Serin, L; Shaldaev, E; Shchelchkov, A S; Shochet, M J; Sidorov, V; Silva, J; Simaitis, V J; Simion, S; Sissakian, A N; Soloviev, I V; Snopkov, R; Söderqvist, J; Solodkov, A A; Sonderegger, P; Soustruznik, K; Spanó, F; Spiwoks, R; Stanek, R; Starchenko, E A; Stavina, P; Stephens, R; Studenov, S; Suk, M; Surkov, A; Sykora, I; Taguet, J P; Takai, H; Tang, F; Tardell, S; Tas, P; Teiger, J; Teubert, F; Thaler, J J; Thion, J; Tikhonov, Yu A; Tisserand, V; Tisserant, S; Tokar, S; Topilin, N D; Trka, Z; Turcotte, M; Valkár, S; Varanda, M J; Vartapetian, A H; Vazeille, F; Vichou, I; Vincent, P; Vinogradov, V; Vorozhtsov, S B; Vuillemin, V; Walter, C; White, A; Wielers, M; Wingerter-Seez, I; Wolters, H; Yamdagni, N; Yarygin, G; Yosef, C; Zaitsev, A; Zitoun, R; Zolnierowski, Y

    2000-01-01

    A new combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the barrel calorimeter of the future ATLAS experiment at the LHC. The energy resolution of pions in the energy range from 10 to 300 GeV at an incident angle theta of about 12 degrees is well described by the expression sigma /E=((41.9+or-1.6)%/ square root E+(1.8+or-0.1)%)(+) (1.8+or-0.1)/E, where E is in GeV. The response to electrons and muons was evaluated. Shower profiles, shower leakage and the angular resolution of hadronic showers were also studied. Results are compared with those from the previous beam test. (22 refs).

  3. FACETS OF THE ICONOGRAPHY OF DON JUAN MARTÍNEZ SILÍCEO, ARCHBISHOP OF TOLEDO = ALGUNOS ASPECTOS EN TORNO A LA ICONOGRAFÍA DEL ARZOBISPO DE TOLEDO DON JUAN MARTÍNEZ SILÍCEO

    Directory of Open Access Journals (Sweden)

    María Alegra García García

    2014-02-01

    Full Text Available Juan Martínez Siliceo (c. 1477-1557 was a Roman Catholic cardinal and archbishop and a distinguished humanist and mathematician who played an important role in the History and culture of Toledo and Spain during the 16th century. Furthermore, he was admired and recognized even after his death thanks to different literary sources and historiography. This article aims to approach his iconography through a selection of the most important literary and artistic sources from the 16th and 17th Centuries.Juan Martínez Silíceo (c.1477-1557, además de cardenal y arzobispo de Toledo, fue un importante humanista y matemático que desempeñó un destacado papel en la historia y cultura del Toledo y la España del siglo XVI y que gozó de gran admiración y reconocimiento más allá de su muerte, tal como evidencian las fuentes literarias y la historiografía posterior. Sin embargo, aún quedan pendientes de estudio pormenorizado algunos aspectos relativos a su relación con las artes. Este artículo pretende plantear un primer acercamiento a la iconografía de Silíceo a través de una selección de las fuentes literarias y visuales de los siglos XVI al XVIII consideradas más relevantes.

  4. Local heritage, tourism and national identity in a provincial town: Toledo at the beginning of the twentieth century

    Directory of Open Access Journals (Sweden)

    Eric Storm

    2013-08-01

    Full Text Available Promoting tourism appears to be a very neutral way to improve the local economy and by the way encourage the national consciousness. In Toledo, however, the local contribution to the patrimony of the nation was bitterly disputed at the beginning of the twentieth century. Many local conservatives defended the right of the Church to sell masterpieces of El Greco and even opposed the commemoration of El Greco in 1914. Local Liberals and Republicans, on the other hand, saw his altar pieces as an inalienable part of the city’s patrimony. The same occurred with the medieval heritage of Toledo as a city of three cultures. The Catholic press wanted to replace the old Jewish quarter with modern and hygienic houses, while the left proposed that the entire city would become a national monument. In this paper the development and consequences of these debates for Toledo’s artistic heritage, local and national identity, and tourism will be analysed.

  5. Un grupo de poder afines de la Edad Media: los canónigos de la catedral de Toledo

    Directory of Open Access Journals (Sweden)

    Lop Otín, María José

    2005-12-01

    Full Text Available A través de este artículo mostramos la importancia de los Canónigos de la Catedral de Toledo en el siglo XV. Éstos constituían un influyente grupo de poder por su pertenencia a familias principales, su peso económico y alto tren de vida, su superior nivel cultural y los numerosos privilegios acumulados. Al final incluimos la lista de sus nombres.

  6. La Cattedrale di Santa Maria di Messina nei documenti dell'Archivio Ducale Medinaceli di Toledo (1282-1412)

    OpenAIRE

    Spinella, Barbara Maria Rita

    2014-01-01

    La ricerca si propone di delineare un profilo storico della Cattedrale peloritana negli anni 1282-1412 e la fonte principale utilizzata sono le pergamene del fondo Messina conservato nell Archivio Ducale Medinaceli di Toledo, tuttavia, essendo questa documentazione in gran parte inedita e rappresentando, insieme all Archivio del Capitolo Protometropolitano, l unico corpus direttamente riconducibile alla Cattedrale di Messina, si è ritenuto imprescindibile presentare dati, elementi e informazi...

  7. A computerized traffic control algorithm to determine optimal traffic signal settings. Ph.D. Thesis - Toledo Univ.

    Science.gov (United States)

    Seldner, K.

    1977-01-01

    An algorithm was developed to optimally control the traffic signals at each intersection using a discrete time traffic model applicable to heavy or peak traffic. Off line optimization procedures were applied to compute the cycle splits required to minimize the lengths of the vehicle queues and delay at each intersection. The method was applied to an extensive traffic network in Toledo, Ohio. Results obtained with the derived optimal settings are compared with the control settings presently in use.

  8. Update on the Hadron calorimeter of the CMS Experiment at CERN.

    CERN Document Server

    Hagopian, Vasken

    2008-01-01

    The construction and assembly of the Hadron Calorimeter is now complete and commissioning is almost done. The hadron calorimeter inside the CMS detector is made of scintillator and copper absorber covering the |η| range of 0.0 to 3.0. The forward calorimeter, made of quartz fibers and iron absorber, covers the |η| range of 3.0 to 5.0. Recent test beam effort is aimed at understanding of the performance of the Hadron Calorimeter in conjunction with the lead tungstate crystal Electromagnetic Calorimeter. Recent test beam results using production modules help us improve resolution. Work has started on several upgrade fronts for the high luminosity LHC.

  9. First physics pulses in the Barrel Electromagnetic Calorimeter with cosmics

    CERN Multimedia

    Laurent Serin

    2006-01-01

    The electromagnetic barrel calorimeter has been installed in its final position in October 2005. Since then, the calorimeter is being equipped with front-end electronics. Starting in April 2006, electronics calibration runs are taken a few times per week to debug the electronics and to study the performance in the pit (stability, noise). Today, 10 out of the 32 Front End crates are being read out, amounting to about 35000 channels. cool down, few little typos --> After a 6-week cool down, the barrel cryostat was filled with Liquid Argon in May. The presence of a few shorts (~1MΩ) at the edges of the modules was indicating the possibility of conducting dust having entered into the calorimeter with the flowing liquid. In order to try to improve this situation, the calorimeter was emptied and filled again, but this time by condensating the argon instead of flowing it in liquid phase. The new High Voltage tests are not showing any significant improvement but the situation is statisfactory for ATLAS runn...

  10. An electromagnetic calorimeter for the silicon detector concept

    Indian Academy of Sciences (India)

    Silicon calorimeters are quite stable. Since the largest change in response is due to the electronics, it is designed with an internal calibration system. This internal calibration should limit the spread within a chip to ∼1%. Chip-to-chip variations could be larger. Each sensor might be calibrated after the readout chip has been.

  11. Digital Filter Performance for the ATLAS Level-1 Calorimeter Trigger

    CERN Document Server

    Hadley, D R; The ATLAS collaboration

    2010-01-01

    The ATLAS Level-1 Calorimeter Trigger is a hardware-based system designed to identify high-pT jets, electron/photon and tau candidates, and to measure total and missing ET in the ATLAS Liquid Argon and Tile calorimeters. It is a pipelined processor system, with a new set of inputs being evaluated every 25ns. The overall trigger decision has a latency budget of 2µs, including all transmission delays. The calorimeter trigger uses about 7200 reduced granularity analogue signals, which are first digitized at the 40 MHz LHC bunch-crossing frequency, before being passed to a digital Finite Impulse Response (FIR) filter. Due to latency and chip real-estate constraints, only a simple 5-element filter with limited precision can be used. Nevertheless this filter achieves a significant reduction in noise, along with improving the bunch-crossing assignment and energy resolution for small signals. The context in which digital filters are used for the ATLAS Level-1 Calorimeter Trigger will be presented, before describing ...

  12. Digital Filtering Performance in the ATLAS Level-1 Calorimeter Trigger

    CERN Document Server

    Hadley, D R; The ATLAS collaboration

    2010-01-01

    The ATLAS Level-1 Calorimeter Trigger is a hardware-based system designed to identify high-pT jets, elec- tron/photon and tau candidates, and to measure total and missing ET in the ATLAS Liquid Argon and Tile calorimeters. It is a pipelined processor system, with a new set of inputs being evaluated every 25ns. The overall trigger decision has a latency budget of 2µs, including all transmission delays. The calorimeter trigger uses about 7200 reduced granularity analogue signals, which are first digitized at the 40 MHz LHC bunch-crossing frequency, before being passed to a digital Finite Impulse Re- sponse (FIR) filter. Due to latency and chip real-estate constraints, only a simple 5-element filter with limited precision can be used. Nevertheless, this filter achieves a significant reduction in noise, along with improving the bunch-crossing assignment and energy resolution for small signals. The context in which digital filters are used for the ATLAS Level-1 Calorimeter Trigger is presented, before descr...

  13. ATLAS Liquid Argon Calorimeter at dawn of LHC Run-2

    CERN Document Server

    Camincher, Clement; The ATLAS collaboration

    2015-01-01

    At the start of the LHC Run-2 here is an overview of the Liquid Argon Calorimeter of ATLAS. It is described the main modifications done during the long shutdown (2013-2015). The first LAr-related results with 2015 data are also highlighted. Finally a short description present the foreseen Phase-I upgrade of the L1 Calo trigger.

  14. Ignitability analysis using the cone calorimeter and lift apparatus

    Science.gov (United States)

    Mark A. Dietenberger

    1996-01-01

    The irradiance plotted as function of time to ignition for wood materials tested in the Cone Calorimeter (ASTM E1354) differs signiticantly from that tested in the Lateral Ignition and Flame spread Test (LIFT) apparatus (ASTM E1321). This difference in piloted ignitabilty is primarily due to the difference in forced convective cooling of the specimen tested in both...

  15. Cone calorimeter testing of vegetation--an update

    Science.gov (United States)

    Robert H. White; David R. Weise; Kurt Mackes; Alison C. Dibble

    2002-01-01

    As part of efforts to address fire problems in the wildland-urban interface, the cone calorimeter is being used to measure the relative flammability of different plant species. In the first two studies, we tested plants used to landscape homes in California and an assortment of plants found in Colorado. Using the effective heat of combustion and the peak heat release...

  16. Upgrade of the ATLAS Calorimeters for Higher LHC Luminosities

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00424300; The ATLAS collaboration

    2016-01-01

    The upgrade of the LHC will bring instantaneous and total luminosities which are a factor 5-7 beyond the original design of the ATLAS Liquid Argon (LAr) and Tile Calorimeters and their read-out systems. Due to radiation requirements and a new hardware trigger concept the read-out electronics will be improved in two phases. In Phase-I, a dedicated read-out of the LAr Calorimeters will provide higher granularity input to the trigger, in order to mitigate pile-up effects and to reduce the background rates. In Phase-II, completely new read-out electronics will allow a digital processing of all LAr and Tile Calorimeter channels at the full 40 MHz bunch-crossing frequency and a transfer of calibrated energy inputs to the trigger. Results from system design and performance of the developed read-out components, including fully functioning demonstrator systems already operated on the detector, will be reported. Furthermore, the current Forward Calorimeter (FCal) may suffer from signal degradation and argon bubble form...

  17. Testbeam Studies of Production Modules of the ATLAS Tile Calorimeter

    CERN Document Server

    Adragna, P; Anderson, K; Antonaki, A; Arabidze, A; Batkova, L; Batusov, V; Beck, H P; Bednar, P; Bergeaas Kuutmann, E; Biscarat, C; Blanchot, G; Bogush, A; Bohm, C; Boldea, V; Bosman, M; Bromberg, C; Budagov, Yu A; Burckhart-Chromek, D; Caprini, M; Caloba, L; Calvet, D; Carli, T; Carvalho, J; Cascella, M; Castelo, J; Castillo, M V; Cavalli-Sforza, M; Cavasinni, V; Cerqueira, A S; Clément, C; Cobal, M; Cogswell, F; Constantinescu, S; Costanzo, D; Corso-Radu, A; Cuenca, C; Damazio, D O; David, M; Davidek, T; De, K; Del Prete, T; Di Girolamo, B; Dita, S; Djobava, T; Dobson, M; Dolejsi, J; Dolezal, Z; Dotti, A; Downing, R; Efthymiopoulos, I; Eriksson, D; Errede, D; Errede, S; Farbin, A; Fassouliotis, D; Febbraro, R; Fedorko, I; Fenyuk, A; Ferdi, C; Ferrer, A; Flaminio, V; Francis, D; Fullana, E; Gadomski, S; Gameiro, S; Garde, V; Gellerstedt, K; Giakoumopoulou, V; Gildemeister, O; Gilewsky, V; Giokaris, N; Gollub, N; Gomes, A; González, V; Gorini, B; Grenier, P; Gris, P; Gruwé, M; Guarino, V; Guicheney, C; Sen-Gupta, A; Haeberli, C; Hakobyan, H; Haney, M; Hellman, S; Henriques, A; Higón, E; Holmgren, S; Hurwitz, M; Huston, J; Iglesias, C; Isaev, A; Jen-La Plante, I; Jon-And, K; Joos, M; Junk, T; Karyukhin, A; Kazarov, A; Khandanyan, H; Khramov, J; Khubua, J; Kolos, S; Korolkov, I; Krivkova, P; Kulchitsky, Y; Kurochkin, Yu; Kuzhir, P; Le Compte, T; Lefèvre, R; Lehmann, G; Leitner, R; Lembesi, M; Lesser, J; Li, J; Liablin, M; Lokajícek, M; Lomakin, Y; Lupi, A; Maidantchik, C; Maio, A; Makouski, M; Maliukov, S; Manousakis, A; Mapelli, L; Marques, C; Marroquim, F; Martin, F; Mazzoni, E; Merritt, F S; Myagkov, A; Miller, R; Minashvili, I; Miralles, L; Montarou, G; Mosidze, M; Némécek, S; Nessi, M; Nodulman, L; Nordkvist, B; Norniella, O; Onofre, A; Oreglia, M; Pallin, D; Pantea, D; Petersen, J; Pilcher, J E; Pina, J; Pinhão, J; Podlyski, F; Portell, X; Poveda, J; Pribyl, L; Price, L E; Proudfoot, J; Ramstedt, M; Richards, R; Roda, C; Romanov, V; Rosnet, P; Roy, P; Ruiz, A; Rumiantsev, V; Russakovich, N; Salto, O; Salvachúa, B; Sanchis, E; Sanders, H; Santoni, C; Santos, J; Saraiva, J G; Sarri, F; Satsunkevitch, I; Says, L-P; Schlager, G; Schlereth, J L; Seixas, J M; Selldén, B; Shalanda, N; Shevtsov, P; Shochet, M; Silva, J; Da Silva, P; Simaitis, V; Simonyan, M; Sisakian, A; Sjölin, J; Solans, C; Solodkov, A; Soloviev, I; Solovyanov, O; Sosebee, M; Spanó, F; Stanek, R; Starchenko, E; Starovoitov, P; Stavina, P; Suk, M; Sykora, I; Tang, F; Tas, P; Teuscher, R; Tokar, S; Topilin, N; Torres, J; Tremblet, L; Tsiareshka, P; Tylmad, M; Underwood, D; Ünel, G; Usai, G; Valero, A; Valkár, S; Valls, J A; Vartapetian, A; Vazeille, F; Vichou, I; Vinogradov, V; Vivarelli, I; Volpi, M; White, A; Zaitsev, A; Zenine, A; Zenis, T

    2009-01-01

    We report test beam studies of {11\\,\\%} of the production ATLAS Tile Calorimeter modules. The modules were equipped with production front-end electronics and all the calibration systems planned for the final detector. The studies used muon, electron and hadron beams ranging in energy from 3~GeV to 350~GeV. Two independent studies showed that the light yield of the calorimeter was $\\sim 70$~pe/GeV, exceeding the design goal by {40\\,\\%}. Electron beams provided a calibration of the modules at the electromagnetic energy scale. Over 200~calorimeter cells the variation of the response was {2.4\\,\\%}. The linearity with energy was also measured. Muon beams provided an intercalibration of the response of all calorimeter cells. The response to muons entering in the ATLAS projective geometry showed an RMS variation of 2.5\\,\\% for 91~measurements over a range of rapidities and modules. The mean response to hadrons of fixed energy had an RMS variation of {1.4\\,\\%} for the modules and projective angles studied. The respon...

  18. The Energy Response of the ATLAS Calorimeter System

    CERN Document Server

    Schlager, G; Carli, T; Fabjan, Christian Wolfgang; Henriques, A

    2006-01-01

    The Large Hadron Collider (LHC) currently under construction at the European Organization for Nuclear Research (CERN) in Geneva will collide two proton beams with a center-of-mass energy of 14 TeV. At this high energy frontier a new chapter of particle physics will be opened. The ATLAS experiment is a general-purpose LHC detector for proton-proton collisions. The electromagnetic liquid argon-lead sampling calorimeter (LAr Calorimeter) is designed to measure the energy and position of electrons and photons with high precision and the hadronic scintillator-iron sampling calorimeter (TileCal) complements the measurement of the energy and direction of jets. Both calorimeters are installed in the ATLAS experimental cavern and are presently being commissioned. To be able to start the commissioning of the TileCal in an early phase, even before the final electronic readout system was available, a mobile data acquisition system (MobiDAQ) was developed in the context of this PhD-thesis. It is capable of reading up to e...

  19. Upgrade of hadron endcap calorimeters CMS at LHC

    Science.gov (United States)

    Bunin, P. D.; Zaroubin, A. V.

    2017-09-01

    We present the survey of the main tasks in upgrading the hadron endcap (HE) calorimeters of the CMS experiment at LHC. The results of the HE upgrade during the LHC Long Shutdown (2013-2014) and plans for upgrade during LHC Extended Year End Technical Stop (December 2016-May 2017) are discussed.

  20. Development of shashlik electromagnetic calorimeter prototype for SoLID

    Science.gov (United States)

    Shen, C.; Wang, Y.; Xiao, D.; Han, D.; Zou, Z.; Li, Y.; Zheng, X.; Chen, J.

    2017-03-01

    A shashlik electromagnetic calorimeter will be produced in Hall A of Jefferson Laboratory for Solenoidal large Intensity Device (SoLID) to measure the energy deposition of electrons and hadrons, and to provide particle identification after the energy of the accelerator was upgraded to 12 GeV. Tsinghua University is the member of Hall A collaboration in charge of development and production of the large shashlik electromagnetic calorimeter of SoLID. One module of that calorimeter is composed by 194 layers. Each layer consists of a 1.5 mm thick plastic scintillator put on top of a 0.5 mm thick lead plate. Scintillation light is read out by wave-length shifter fibers penetrating through the calorimeter modules longitudinally along the direction of flight of the impact particle. This paper describes the design and construction of that module, as well as a few optimization studies meant to improve its performance. A detailed Geant4 simulation also shows that an energy resolution of 5%/√ E (GeV) and a good containment for electromagnetic showers can be achieved, as well as some basic electron identification. A prototype of that module will be tested soon with an electron beam at JLab.

  1. Last fibre for the CMS's forward hadronic calorimeter

    CERN Multimedia

    2004-01-01

    In February an important milestone was passed by the CMS's forward hadronic calorimeter project: the last of 450000 quartz fibres was inserted and the wedge preparation phase has now been completed. Ten thousand working hours were spent on inserting 450 000 quartz fibres into the CMS's forward hadronic calorimeter! Patience and meticulous attention to detail were the two qualities required by the five people who undertook this special job at CERN. On 6 February their task was completed. "The CMS's forward hadronic calorimeter (HF) covers the region immediately close to the LHC beam, 0.6 degrees to 6 degrees from the beam line," explains project coordinator Tiziano Camporesi. The detection of high energy jets in this angular region will be very important in helping to identify the signature of the Higgs boson or possibly any new boson produced in proton-proton collision in the LHC. Rita Fodor, 19, is working on one wedge of the CMS's forward hadronic calorimeter in building 186. She and her...

  2. Calorimeter energy calibration using the energy conservation law

    Indian Academy of Sciences (India)

    A new calorimeter energy calibration method was developed for the proposed ILC detectors. The method uses the center-of-mass energy of the accelerator as the reference. It has been shown that using the energy conservation law it is possible to make ECAL and HCAL cross calibration to reach a good energy resolution ...

  3. Feature-extraction algorithms for the PANDA electromagnetic calorimeter

    NARCIS (Netherlands)

    Kavatsyuk, M.; Guliyev, E.; Lemmens, P. J. J.; Loehner, H.; Poelman, T. P.; Tambave, G.; Yu, B

    2009-01-01

    The feature-extraction algorithms are discussed which have been developed for the digital front-end electronics of the electromagnetic calorimeter of the PANDA detector at the future FAIR facility. Performance parameters have been derived in test measurements with cosmic rays, particle and photon

  4. Geometric alignment of the CMD-3 endcap electromagnetic calorimeter using events of two-quantum annihilation

    Science.gov (United States)

    Akhmetshin, R. R.; Grigoriev, D. N.; Kazanin, V. F.; Kuzmenko, A. E.; Timofeev, A. V.

    2017-08-01

    Since 2010 the electromagnetic endcap calorimeter based on BGO crystals is used in experiments as one of the systems of the CMD-3 detector. The spacial resolution is one of crucial parameters of the calorimeter. Inaccurate knowledge of the real calorimeter position can limit the resolution. In this work the alignment of the center of the calorimeter with respect to the tracking system of the CMD-3 detector has been performed using events of two-quantum annihilation. The alignment technique that has been used to determine the position of the calorimeter is described. Finally, the improvement in spacial resolution of the calorimeter after applying the correction for the real calorimeter position is shown.

  5. Design, Construction and Installation of the ATLAS Hadronic Barrel Scintillator-Tile Calorimeter

    CERN Document Server

    Abdallah, J; Alexa, C; Alves, R; Amaral, P; Ananiev, A; Anderson, K; Andresen, X; Antonaki, A; Batusov, V; Bednar, P; Bergeaas, E; Biscarat, C; Blanch, O; Blanchot, G; Bohm, C; Boldea, V; Bosi, F; Bosman, M; Bromberg, C; Budagov, Yu A; Calvet, D; Cardeira, C; Carli, T; Carvalho, J; Cascella, M; Castillo, M V; Costello, J; Cavalli-Sforza, M; Cavasinni, V; Cerqueira, A S; Clément, C; Cobal, M; Cogswell, F; Constantinescu, S; Costanzo, D; Da Silva, P; Davidek, M; David, T; Dawson, J; De, K; Del Prete, T; Di Girolamo, B; Dita, S; Dolejsi, J; Dolezal, Z; Dotti, A; Downing, R; Drake, G; Efthymiopoulos, I; Errede, D; Errede, S; Farbin, A; Fassouliotis, D; Feng, E; Fenyuk, A; Ferdi, C; Ferreira, B C; Ferrer, A; Flaminio, V; Flix, J; Francavilla, P; Fullana, E; Garde, V; Gellerstedt, K; Giakoumopoulou, V; Giangiobbe, V; Gildemeister, O; Gilewsky, V; Giokaris, N; Gollub, N; Gomes, A; González, V; Gouveia, J; Grenier, P; Gris, P; Guarino, V; Guicheney, C; Sen-Gupta, A; Hakobyan, H; Haney, M; Hellman, S; Henriques, A; Higón, E; Hill, N; Holmgren, S; Hruska, I; Hurwitz, M; Huston, J; Jen-La Plante, I; Jon-And, K; Junk, T; Karyukhin, A; Khubua, J; Klereborn, J; Kopikov, S; Korolkov, I; Krivkova, P; Kulchitsky, Y; Kurochkin, Yu; Kuzhir, P; Lapin, V; Le Compte, T; Lefèvre, R; Leitner, R; Li, J; Liablin, M; Lokajícek, M; Lomakin, Y; Lourtie, P; Lovas, L; Lupi, A; Maidantchik, C; Maio, A; Maliukov, S; Manousakis, A; Marques, C; Marroquim, F; Martin, F; Mazzoni, E; Merritt, F S; Myagkov, A; Miller, R; Minashvili, I; Miralles, L; Montarou, G; Némécek, S; Nessi, M; Nikitine, I; Nodulman, L; Norniella, O; Onofre, A; Oreglia, M; Palan, B; Pallin, D; Pantea, D; Pereira, A; Pilcher, J E; Pina, J; Pinhão, J; Pod, E; Podlyski, F; Portell, X; Poveda, J; Pribyl, L; Price, L E; Proudfoot, J; Ramalho, M; Ramstedt, M; Raposeiro, L; Reis, J; Richards, R; Roda, C; Romanov, V; Rosnet, P; Roy, P; Ruiz, A; Rumiantsau, V; Russakovich, N; Sada Costa, J; Salto, O; Salvachúa, B; Sanchis, E; Sanders, H; Santoni, C; Santos, J; Saraiva, J G; Sarri, F; Says, L P; Schlager, G; Schlereth, J L; Seixas, J M; Selldén, B; Shalanda, N; Shevtsov, P; Shochet, M; Simaitis, V; Simonyan, M; Sisakian, A; Sjölin, J; Solans, C; Solodkov, A; Solovianov, J; Silva, O; Sosebee, M; Spanó, F; Speckmeyer, P; Stanek, R; Starchenko, E; Starovoitov, P; Suk, M; Sykora, I; Tang, F; Tas, P; Teuscher, R; Tokar, S; Topilin, N; Torres, J; Underwood, D; Usai, G; Valero, A; Valkár, S; Valls, J A; Vartapetian, A; Vazeille, F; Vellidis, C; Ventura, F; Vichou, I; Vivarelli, I; Volpi, M; White, A; Zaitsev, A; Zenin, A; Zenis, T; Zenonos, Z; Zenz, S; Zilka, B

    2007-01-01

    The scintillator tile hadronic calorimeter is a sampling calorimeter using steel as the absorber structure and scintillator as the active medium. The scintillator is located in "pockets" in the steel structure and the wavelength-shifting fibers are contained in channels running radially within the absorber to photomultiplier tubes which are located in the outer support girders of the calorimeter structure. In addition, to its role as a detector for high energy particles, the tile calorimeter provides the direct support of the liquid argon electromagnetic calorimeter in the barrel region, and the liquid argon electromagnetic and hadronic calorimeters in the endcap region. Through these, it indirectly supports the inner tracking system and beam pipe. The steel absorber, and in particular the support girders, provide the flux return for the solenoidal field from the central solenoid. Finally, the end surfaces of the barrel calorimeter are used to mount services, power supplies and readout crates for the inner tr...

  6. When the virtual influences reality. The conservation project of the Toledo Gate in Ciudad Real (Spain)

    Science.gov (United States)

    Almagro Vidal, A.; Ramírez González, I.; Clemente San Román, C.

    2015-08-01

    The Toledo Gate of Ciudad Real, Spain, constructed between the late 13th and early 14th centuries, is the last remaining portion of a once complete medieval city wall. It represents the long history of the city and constitutes its main heritage symbol, dividing the historic city centre from the later 19th and 20th century expansions. In October 2012, the Town Hall and the Montemadrid Foundation started the conservation works to preserve this important monument. The preliminary phase of this project included an in-depth series of scientific studies which were carried out by a multidisciplinary team focusing on archival research, historic investigations, archaeological excavations as well as material composition analysis and main treatment application tests. As a result of these studies a series of virtual 3D models were created to inform, discuss and study the monument. A first digital model permitted visualization of the gate in the 19th century and how the main entrance to the city was integrated as a fundamental part of the city walls. This virtual reconstruction also became an important part of the campaign to raise awareness among the citizens towards a monument that had remained in the shadows for the last century, isolated in a roundabout after the systematic demolition of the city walls in the late 19th century. Over the last three years and as a result of these archaeological and historic investigations and subsequent virtual models, surprisingly new and interesting data were brought to light thus permitting the establishment and corroboration of a new and updated hypothesis of the Toledo Gate that goes beyond the previous ideas. As a result of these studies a new architectural typology with construction techniques of has been suggested. This paper describes how the results of this continuous and interdisciplinary documentation process have benefitted from a computer graphic reconstruction of the gate. It highlights how virtual reconstruction can be a

  7. Performance of the NuTeV Fe-Scintillator Sampling Calorimeter and Implications for Thin Calorimeters

    Science.gov (United States)

    Avvakumov, S.; Adams, T.; Alton, A.; de Barbaro, L.; de Barbaro, P.; Berlin, D.; Bernstein, R. H.; Bodek, A.; Bolton, T.; Brau, J.; Buchholz, D.; Budd, H.; Bugel, L.; Conrad, J.; Drucker, R. B.; Frey, R.; Formaggio, J.; Goldman, J.; Goncharov, M.; Harris, D. A.; Johnson, R. A.; Koutsoliotas, S.; Kim, J. H.; Krishnaswami, G. K.; Lamm, M. J.; Marsh, W.; Mason, D.; McNulty, C.; McFarland, K. S.; Naples, D.; Nienaber, P.; Romosan, A.; Sakumoto, W. K.; Schellman, H.; Shaevitz, M. H.; Spentzouris, P.; Stern, E. G.; Tamminga, B.; Vakili, M.; Vaitaitis, A.; Wu, V.; Yang, U. K.; Yu, J.; Zeller, G. P.

    1999-08-01

    NuTeV is a neutrino-nucleon deep inelastic scattering experiment at Fermilab. The NuTeV detector is a traditional heavy target neutrino detector which consists of an iron/liquid scintillator sampling calorimeter followed by a muon spectrometer. The calorimeter response to hadrons, muons and electrons has been measured in an in situ calibration beam over the energy range from 4.5 to 190 GeV. The small non-linearity of the response to hadrons is compared to the expectation from the measured ratio of responses between electrons and hadrons combined with the energy dependence of the fractional electromagnetic energy deposition in the form of neutral pions in hadronic showers fπ0( Eπ). The predictions use fπ0( Eπ) from the Monte Carlo simulations by GHEISHA, GFLUKA and GCALOR and also from the parameterizations of Wigmans and Groom. In addition, a study based on the NuTeV hadron calibration data of the effectiveness of a thin calorimeter is presented. The results of this study have important consequences for the energy resolution of calorimeters used in other applications; for example, measuring the cosmic ray flux in space or with balloon-based experiments.

  8. Performance of the NuTeV Fe-scintillator sampling calorimeter and implications for thin calorimeters

    Energy Technology Data Exchange (ETDEWEB)

    Avvakumov, S.; Adams, T.; Alton, A.; Barbaro, L. de; Barbaro, P. de; Berlin, D.; Bernstein, R.H.; Bodek, A.; Bolton, T.; Brau, J.; Buchholz, D.; Budd, H.; Bugel, L.; Conrad, J.; Drucker, R. B.; Frey, R.; Formaggio, J.; Goldman, J.; Goncharov, M.; Harris, D. A.; Johnson, R. A.; Koutsoliotas, S.; Kim, J. H.; Krishnaswami, G. K.; Lamm, M. J.; Marsh, W.; Mason, D.; McNulty, C.; McFarland, K. S.; Naples, D.; Nienaber, P.; Romosan, A.; Sakumoto, W. K.; Schellman, H.; Shaevitz, M. H.; Spentzouris, P.; Stern, E. G.; Tamminga, B.; Vakili, M.; Vaitaitis, A.; Wu, V.; Yang, U. K.; Yu, J.; Zeller, G. P

    1999-08-01

    NuTeV is a neutrino-nucleon deep inelastic scattering experiment at Fermilab. The NuTeV detector is a traditional heavy target neutrino detector which consists of an iron/liquid scintillator sampling calorimeter followed by a muon spectrometer. The calorimeter response to hadrons, muons and electrons has been measured in an in situ calibration beam over the energy range from 4.5 to 190 GeV. The small non-linearity of the response to hadrons is compared to the expectation from the measured ratio of responses between electrons and hadrons combined with the energy dependence of the fractional electromagnetic energy deposition in the form of neutral pions in hadronic showers f{sub {pi}{sup 0}}(E{sub {pi}}). The predictions use f{sub {pi}{sup 0}}(E{sub {pi}}) from the Monte Carlo simulations by GHEISHA, GFLUKA and GCALOR and also from the parameterizations of Wigmans and Groom. In addition, a study based on the NuTeV hadron calibration data of the effectiveness of a thin calorimeter is presented. The results of this study have important consequences for the energy resolution of calorimeters used in other applications; for example, measuring the cosmic ray flux in space or with balloon-based experiments.

  9. Los judíos de Toledo en el contexto de la ciudad

    Directory of Open Access Journals (Sweden)

    Ricardo Izquierdo Benito

    1993-01-01

    Full Text Available Desde que Pilar León Tello, hace unos años, publicara su voluminosa monografía sobre los judíos de Toledo poco es ya lo nuevo que se pueda decir sobre esta comunidad. Sin embargo, no por ello hay que pensar que su historia está ya cerrada, pues muchos aspectos de la misma pueden ser precisados o recapitulados, tomando como referencia la propia documentación recogida en la citada obra o los datos extraídos de otras fuentes complementarias. Es con este planteamiento con el que abordamos la elaboración del tema de esta exposición que ahora nos ocupa y que va a versar sobre las relaciones que los judíos toledanos mantuvieron con los demás habitantes cristianos de la ciudad, en general, y con algunas instituciones de ésta, en particular, a lo largo de la Edad Media.

  10. Imagen, lugar de memoria y mito : en torno al Alcázar de Toledo

    Directory of Open Access Journals (Sweden)

    Vicente Sánchez-Biosca

    2009-01-01

    Full Text Available El presente texto analiza la función de la producción de imágenes (fotográficas, pictóricas, cinematográficas, arquitectónicas en la mitología franquista que se refiere a la guerra civil. El Alcázar de Toledo fue un escenario emblemático de la guerra, un lugar de memoria por su resistencia, pero también un edificio aureolado de historia. A través del estudio del tratamiento arquitectónico que se dio al edificio (mantenimiento de las ruinas, restauración..., así como de su vida ceremonial, es posible analizar la visión épica que alimentó la memoria franquista y la relación entre el pasado imaginado y el presente.This paper analyzes the role of the images in the Francoist mythology concerning the Spanish Civil War, such as photography, painting, cinematography, architecture... Toledo’s Alcazar was an emblematic stage for the war, a site of memory due to the resistance during the siege. Nevertheless, it has been a monument coloured by history. This article discusses the architectural projects made on the fortress (the maintenance of the states of ruins, restoration..., as well as the ceremonies nationalists authorities organised in it. The consideration of these factors reveal the epic vision that fed Francoist memory and the relationship between imagined past and present.

  11. Mineralogical and isotopic characterization of graphite deposits from the Anatectic Complex of Toledo, central Spain

    Science.gov (United States)

    Martín-Méndez, Iván; Boixereu, Ester; Villaseca, Carlos

    2016-06-01

    Graphite is found dispersed in high-grade metapelitic rocks of the Anatectic Complex of Toledo (ACT) and was mined during the mid twentieth century in places where it has been concentrated (Guadamur and la Puebla de Montalbán mines). Some samples from these mines show variable but significant alteration intensity, reaching very low-T hydrothermal (supergene) conditions for some samples from the waste heap of the Guadamur site (<100 °C and 1 kbar). Micro-Raman and XRD data indicate that all the studied ACT graphite is of high crystallinity irrespective of the degree of hydrothermal alteration. Chemical differences were obtained for graphite δ13C composition. ACT granulitic graphite shows δ13CPDB values in the range of -20.5 to -27.8 ‰, indicating a biogenic origin. Interaction of graphite with hydrothermal fluids does not modify isotopic compositions even in the most transformed samples from mining sites. The different isotopic signatures of graphite from the mining sites reflect its contrasted primary carbon source. The high crystallinity of studied graphite makes this area of central Spain suitable for graphitic exploration and its potential exploitation, due to the low carbon content required for its viability and its strategic applications in advanced technologies, such as graphene synthesis.

  12. THE ASSESSEMENT OF RELIGIOUS EDUCATION THROUGH THE TOLEDO GUIDE IN ROMANIA

    Directory of Open Access Journals (Sweden)

    Teodora M. FULGA

    2017-06-01

    Full Text Available The main actors on the global scene, the State, the Church and society, together with their values, their identity, their faith, and democracy, are involved in a new dilemma of the individual’s relationship to community, with crucial impacts on the position of universality and transcendence in society. The acute crisis in the recent history triggered a new step in the religious, intercultural or confessional education, which must generate an articulated answer in a field cleared of secularism. This is the key for the interpretation of the new State-cults partnerships in education. Thus the interest manifested by students in the non-confessional public schools reveal the need to present in a balanced way the intercultural and interreligious elements, supported in the OSCE vision by the Toledo Guide. The assessment of the religious education class from an intercultural perspective showed that the Orthodox format is quite close to the recommended principles and intercultural values. Nevertheless, in spite of the lack of intercultural education in the structure of these classes the students have a certain level of knowledge from other sources also deserving investigation.

  13. Situation of cross-matter Health Education in the province of Toledo

    Directory of Open Access Journals (Sweden)

    Fructuoso Rodríguez Muñoz

    2009-11-01

    Full Text Available Objective: to know the activities of health education achieved in primary schools in the province of Toledo during 2005-2006. Study design: descriptive, crosscutting, through self-completed questionnaire. Site: Primary Health Care. Participants: 91 primary schools Measurements: activities achieved HE: subjects, duration and continuity over time, participation, professionals who teach. Results: Between November 2006 and February 2007 received 91 questionnaires (response rate 43.7%. Of the whole of schools, the 58.24% engage in some activity. The total of made activities was 129 activities and the 13 given subjects. About environmental the 24.03%, education in values the 6.28% and traffic education the 14.73%. Of whole of involved professionals, the 26.62% by P.H.C.(nursing, medicine, psychology, veterinary, social workers. The mean of duration of the activities was 5.86 (CI 4.15-7.58 hours/year, and its ontinuity of 1 year (mode.Conclusions: very few activities are carried out by HE. They are characterized by being object lessons, short and little continuity over time. The subjects most related to health (hygiene and dietary habits, toxic habits and emotional-sexual education are taught less. Health professionals are barely involved, the community nurses being more participatory. We consider essential to establish mechanisms for coordination between health and educational administrations to reach a broad group of people healthy and capable of speech (30,000 enrolled in 2006.

  14. Ejemplos de enfrentamiento político-institucional en el Ayuntamiento de Toledo

    Directory of Open Access Journals (Sweden)

    Ángel Santos Vaquero

    1995-01-01

    Full Text Available Los Ayuntamientos constituyen la base del poder local, por lo que tener su control era básico para la gobernabilidad de las villas, pueblos y ciudades y por ende de la nación, tanto en el Antiguo Régimen como en la época Contemporánea. En el Antiguo Régimen poseer su gobierno o pertenecer a la élite que los constituía era sinómino de dominio y autoridad y fuente de beneficios con la distribución'de cargos administrativos y gubernativos de la ciudad, con los que se controlaba toda la vida municipal: justicia, abastos, actividades industriales y gremiales. A esto se debe añadir que Toledo era una de las pocas ciudades españolas con voto en Cortes, por lo que conseguir una magistratura o cargo municipal podía reportar grandes provechos judiciales y económicos y proporcionar una superior categoría a su poseedor. Todo ello produce un doble efecto: por un lado, las oligarquías locales tratan y consiguen monopolizar los cargos municipales y por otro, el poder regio decide intervenir en su gobierno de forma efectiva y directa mediante el nombramiento de la autoridad suprema en el municipio: el corregidor y otros cargos importantes, con lo que el control de los concejos es total y absoluto por parte del rey.

  15. Noise dependence with pile-up in the ATLAS Tile Calorimeter. Pile-up noise studies in the ATLAS TileCal calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Araque, J.P. [ATLAS Tile Calorimeter System, Laboratorio de Instrumentacao e Fisica Experimental de Particulas, Departamento de Fisica da Universidade do Minho, Campus de Gualtar, 4710-057 Braga (Portugal)

    2015-07-01

    The Tile Calorimeter, TileCal, is the central hadronic calorimeter of the ATLAS experiment, positioned between the electromagnetic calorimeter and the muon chambers. It comprises alternating layers of steel (as absorber material) and plastic (as active material), known as tiles. Between 2009 and 2012, the LHC has performed better than expected producing proton-proton collisions at a very high rate. These conditions are really challenging when dealing with the energy measurements in the calorimeter since not only the energy from an interesting event will be measured but a component coming from other collisions, which are difficult to distinguish from the interesting one, will also be present. This component is referred to as pile-up noise. Studies carried out to better understand how pile-up affects calorimeter noise under different circumstances are described. (author)

  16. The CMS High Granularity Calorimeter for HL-LHC

    CERN Document Server

    Mastrolorenzo, Luca

    2017-01-01

    The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry, and hallmarks the issue for future colliders. As part of its HL-LHC upgrade program, the CMS collaboration is designing a High Granularity Calorimeter to replace the existing endcap calorimeters. It features unprecedented transverse and longitudinal segmentation for both electromagnetic (ECAL) and hadronic (HCAL) compartments. This will facilitate particle-flow calorimetry, where the fine structure of showers can be measured and used to enhance pileup rejection and particle identification, whilst still achieving good energy resolution. The ECAL and a large fraction of HCAL will be based on hexagonal silicon sensors of 0.5 - 1 cm$^2$ cell size, with the remainder of the HCAL based on highly-segmented scintillators with SiPM readout. The intrinsic high-precision timing capabilities of the silicon sensors wi...

  17. The CMS High Granularity Calorimeter for the High Luminosity LHC

    CERN Document Server

    Sauvan, Jean-baptiste

    2017-01-01

    The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry, and hallmarks the issue for future colliders. As part of its HL-LHC upgrade program, the CMS collaboration is designing a High Granularity Calorimeter to replace the existing endcap calorimeters. It features unprecedented transverse and longitudinal segmentation for both electromagnetic (ECAL) and hadronic (HCAL) compartments. This will facilitate particle-flow calorimetry, where the fine structure of showers can be measured and used to enhance pileup rejection and particle identification, whilst still achieving good energy resolution. The ECAL and a large fraction of HCAL will be based on hexagonal silicon sensors of 0.5 - 1 cm$^2$ cell size, with the remainder of the HCAL based on highly-segmented scintillators with silicon photomultiplier (SiPM) readout. The intrinsic high-precision timing capabilities...

  18. Readiness of the ATLAS Tile Calorimeter for LHC collisions

    CERN Document Server

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Solodkov, A.A.; Solovyanov, O.V.; Sondericker, J.; Sopko, V.; Sopko, B.; Sosebee, M.; Soukharev, A.; Spagnolo, S.; Spano, F.; Spighi, R.; Spigo, G.; Spila, F.; Spiwoks, R.; Spousta, M.; Spreitzer, T.; Spurlock, B.; St. Denis, R.D.; Stahl, T.; Stahlman, J.; Stamen, R.; Stancu, S.N.; Stanecka, E.; Stanek, R.W.; Stanescu, C.; Stapnes, S.; Starchenko, E.A.; Stark, J.; Staroba, P.; Starovoitov, P.; Stastny, J.; Stavina, P.; Steele, G.; Steinbach, P.; Steinberg, P.; Stekl, I.; Stelzer, B.; Stelzer, H.J.; Stelzer-Chilton, O.; Stenzel, H.; Stevenson, K.; Stewart, G.A.; Stockton, M.C.; Stoerig, K.; Stoicea, G.; Stonjek, S.; Strachota, P.; Stradling, A.R.; Straessner, A.; Strandberg, J.; Strandberg, S.; Strandlie, A.; Strauss, M.; Strizenec, P.; Strohmer, R.; Strom, D.M.; Stroynowski, R.; Strube, J.; Stugu, B.; Sturm, P.; Soh, D.A.; Su, D.; Sugaya, Y.; Sugimoto, T.; Suhr, C.; Suk, M.; Sulin, V.V.; Sultansoy, S.; Sumida, T.; Sun, X.H.; Sundermann, J.E.; Suruliz, K.; Sushkov, S.; Susinno, G.; Sutton, M.R.; Suzuki, T.; Suzuki, Y.; Sykora, I.; Sykora, T.; Szymocha, T.; Sanchez, J.; Ta, D.; Tackmann, K.; Taffard, A.; Tafirout, R.; Taga, A.; Takahashi, Y.; Takai, H.; Takashima, R.; Takeda, H.; Takeshita, T.; Talby, M.; Talyshev, A.; Tamsett, M.C.; Tanaka, J.; Tanaka, R.; Tanaka, S.; Tanaka, S.; Tapprogge, S.; Tardif, D.; Tarem, S.; Tarrade, F.; Tartarelli, G.F.; Tas, P.; Tasevsky, M.; Tassi, E.; Tatarkhanov, M.; Taylor, C.; Taylor, F.E.; Taylor, G.N.; Taylor, R.P.; Taylor, W.; Teixeira-Dias, P.; Ten Kate, H.; Teng, P.K.; Tennenbaum-Katan, Y.D.; Terada, S.; Terashi, K.; Terron, J.; Terwort, M.; Testa, M.; Teuscher, R.J.; Therhaag, J.; Thioye, M.; Thoma, S.; Thomas, J.P.; Thompson, E.N.; Thompson, P.D.; Thompson, P.D.; Thompson, R.J.; Thompson, A.S.; Thomson, E.; Thun, R.P.; Tic, T.; Tikhomirov, V.O.; Tikhonov, Y.A.; Tipton, P.; Tique Aires Viegas, F.J.; Tisserant, S.; Toczek, B.; Todorov, T.; Todorova-Nova, S.; Toggerson, B.; Tojo, J.; Tokar, S.; Tokushuku, K.; Tollefson, K.; Tomasek, L.; Tomasek, M.; Tomoto, M.; Tompkins, L.; Toms, K.; Tonoyan, A.; Topfel, C.; Topilin, N.D.; Torchiani, I.; Torrence, E.; Torro Pastor, E.; Toth, J.; Touchard, F.; Tovey, D.R.; Trefzger, T.; Tremblet, L.; Tricoli, A.; Trigger, I.M.; Trincaz-Duvoid, S.; Trinh, T.N.; Tripiana, M.F.; Triplett, N.; Trischuk, W.; Trivedi, A.; Trocme, B.; Troncon, C.; Trzupek, A.; Tsarouchas, C.; Tseng, J.C-L.; Tsiakiris, M.; Tsiareshka, P.V.; Tsionou, D.; Tsipolitis, G.; Tsiskaridze, V.; Tskhadadze, E.G.; Tsukerman, I.I.; Tsulaia, V.; Tsung, J.W.; Tsuno, S.; Tsybychev, D.; Tuggle, J.M.; Tunnell, C.D.; Turecek, D.; Turk Cakir, I.; Turlay, E.; Tuts, P.M.; Twomey, M.S.; Tylmad, M.; Tyndel, M.; Uchida, K.; Ueda, I.; Ueno, R.; Ugland, M.; Uhlenbrock, M.; Uhrmacher, M.; Ukegawa, F.; Unal, G.; Undrus, A.; Unel, G.; Unno, Y.; Urbaniec, D.; Urkovsky, E.; Urquijo, P.; Urrejola, P.; Usai, G.; Uslenghi, M.; Vacavant, L.; Vacek, V.; Vachon, B.; Vahsen, S.; Valente, P.; Valentinetti, S.; Valero, A.; Valkar, S.; Valladolid Gallego, E.; Vallecorsa, S.; Valls Ferrer, J.A.; Van Berg, R.; van der Graaf, H.; van der Kraaij, E.; van der Poel, E.; van der Ster, D.; van Eldik, N.; van Gemmeren, P.; van Kesteren, Z.; van Vulpen, I.; Vandelli, W.; Vaniachine, A.; Vankov, P.; Vannucci, F.; Vari, R.; Varnes, E.W.; Varouchas, D.; Vartapetian, A.; Varvell, K.E.; Vasilyeva, L.; Vassilakopoulos, V.I.; Vazeille, F.; Vellidis, C.; Veloso, F.; Veneziano, S.; Ventura, A.; Ventura, D.; Venturi, M.; Venturi, N.; Vercesi, V.; Verducci, M.; Verkerke, W.; Vermeulen, J.C.; Vetterli, M.C.; Vichou, I.; Vickey, T.; Viehhauser, G.H.A.; Villa, M.; Villani, E.G.; Villaplana Perez, M.; Vilucchi, E.; Vincter, M.G.; Vinek, E.; Vinogradov, V.B.; Viret, S.; Virzi, J.; Vitale, A.; Vitells, O.; Vivarelli, I.; Vives Vaque, F.; Vlachos, S.; Vlasak, M.; Vlasov, N.; Vogel, A.; Vokac, P.; Volpi, M.; von der Schmitt, H.; von Loeben, J.; von Radziewski, H.; von Toerne, E.; Vorobel, V.; Vorwerk, V.; Vos, M.; Voss, R.; Voss, T.T.; Vossebeld, J.H.; Vranjes, N.; Vranjes Milosavljevic, M.; Vrba, V.; Vreeswijk, M.; Vu Anh, T.; Vudragovic, D.; Vuillermet, R.; Vukotic, I.; Wagner, P.; Walbersloh, J.; Walder, J.; Walker, R.; Walkowiak, W.; Wall, R.; Wang, C.; Wang, H.; Wang, J.; Wang, S.M.; Warburton, A.; Ward, C.P.; Warsinsky, M.; Wastie, R.; Watkins, P.M.; Watson, A.T.; Watson, M.F.; Watts, G.; Watts, S.; Waugh, A.T.; Waugh, B.M.; Weber, M.D.; Weber, M.; Weber, M.S.; Weber, P.; Weidberg, A.R.; Weingarten, J.; Weiser, C.; Wellenstein, H.; Wells, P.S.; Wenaus, T.; Wendler, S.; Weng, Z.; Wengler, T.; Wenig, S.; Wermes, N.; Werner, M.; Werner, P.; Werth, M.; Werthenbach, U.; Wessels, M.; Whalen, K.; White, A.; White, M.J.; White, S.; Whitehead, S.R.; Whiteson, D.; Whittington, D.; Wicek, F.; Wicke, D.; Wickens, F.J.; Wiedenmann, W.; Wielers, M.; Wienemann, P.; Wiglesworth, C.; Wiik, L.A.M.; Wildauer, A.; Wildt, M.A.; Wilkens, H.G.; Williams, E.; Williams, H.H.; Willocq, S.; Wilson, J.A.; Wilson, M.G.; Wilson, A.; Wingerter-Seez, I.; Winklmeier, F.; Wittgen, M.; Wolter, M.W.; Wolters, H.; Wosiek, B.K.; Wotschack, J.; Woudstra, M.J.; Wraight, K.; Wright, C.; Wright, D.; Wrona, B.; Wu, S.L.; Wu, X.; Wulf, E.; Wynne, B.M.; Xaplanteris, L.; Xella, S.; Xie, S.; Xu, D.; Xu, N.; Yamada, M.; Yamamoto, A.; Yamamoto, K.; Yamamoto, S.; Yamamura, T.; Yamaoka, J.; Yamazaki, T.; Yamazaki, Y.; Yan, Z.; Yang, H.; Yang, U.K.; Yang, Z.; Yao, W-M.; Yao, Y.; Yasu, Y.; Ye, J.; Ye, S.; Yilmaz, M.; Yoosoofmiya, R.; Yorita, K.; Yoshida, R.; Young, C.; Youssef, S.P.; Yu, D.; Yu, J.; Yuan, L.; Yurkewicz, A.; Zaidan, R.; Zaitsev, A.M.; Zajacova, Z.; Zambrano, V.; Zanello, L.; Zaytsev, A.; Zeitnitz, C.; Zeller, M.; Zemla, A.; Zendler, C.; Zenin, O.; Zenis, T.; Zenonos, Z.; Zenz, S.; Zerwas, D.; Zevi della Porta, G.; Zhan, Z.; Zhang, H.; Zhang, J.; Zhang, Q.; Zhang, X.; Zhao, L.; Zhao, T.; Zhao, Z.; Zhemchugov, A.; Zhong, J.; Zhou, B.; Zhou, N.; Zhou, Y.; Zhu, C.G.; Zhu, H.; Zhu, Y.; Zhuang, X.; Zhuravlov, V.; Zimmermann, R.; Zimmermann, S.; Zimmermann, S.; Ziolkowski, M.; Zivkovic, L.; Zobernig, G.; Zoccoli, A.; zur Nedden, M.; Zutshi, V.

    2010-01-01

    The Tile hadronic calorimeter of the ATLAS detector has undergone extensive testing in the experimental hall since its installation in late 2005. The readout, control and calibration systems have been fully operational since 2007 and the detector successfully collected data from the LHC single beams in 2008 and first collisions in 2009. This paper gives an overview of the Tile Calorimeter performance as measured using random triggers, calibration data, data from cosmic ray muons and single beam data. The detector operation status, noise characteristics and performance of the calibration systems are presented, as well as the validation of the timing and energy calibration carried out with minimum ionising cosmic ray muons data. The calibration systems' precision is well below the design of 1%. The determination of the global energy scale was performed with an uncertainty of 4%.

  19. The readout driver (ROD) for the ATLAS liquid argon calorimeters

    CERN Document Server

    Efthymiopoulos, I

    2001-01-01

    The Readout Driver (ROD) for the Liquid Argon calorimeter of the ATLAS detector is described. Each ROD module receives triggered data from 256 calorimeter cells via two fiber-optics 1.28 Gbit/s links with a 100 kHz event rate (25 kbit/event). Its principal function is to determine the precise energy and timing of the signal from discrete samples of the waveform, taken each period of the LHC clock (25 ns). In addition, it checks, histograms, and formats the digital data stream. A demonstrator system, consisting of a motherboard and several daughter-board processing units (PUs) was constructed and is currently used for tests in the lab. The design of this prototype board is presented here. The board offers maximum modularity and allows the development and testing of different PU designs based on today's leading integer and floating point DSPs. (3 refs).

  20. Particle Showers in a Highly Granular Hadron Calorimeter

    CERN Document Server

    Simon, Frank

    2010-01-01

    The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small scintillator cells individually read out with silicon photomultipliers. The system with 7608 channels has been successfully operated in beam tests at DESY, CERN and Fermilab since 2006, and represents the first large scale tests of these devices in high energy physics experiments. The unprecedented granularity of the detector provides detailed information of the properties of hadronic showers, which helps to constrain hadronic shower models through comparisons with model calculations. We will discuss results on longitudinal and lateral shower profiles compared to a variety of different shower models, and present studies of the energy reconstruction of hadronic showers using software compensation techniques.

  1. Performance of the CHORUS lead-scintillating fiber calorimeter

    CERN Document Server

    Buontempo, S

    1997-01-01

    We report on the design and performance of the lead-scintillating fiber calorimeter of the CHORUS experiment, which searches for νμ-ντ oscillations in the CERN Wide Band Neutrino beam. Two of the three sectors in which the calorimeter is divided are made of lead and plastic scintillating fibers, and they represent the first large scale application of this technique for combined electromagnetic and hadronic calorimetry. The third sector is built using the sandwich technique with lead plates and scintillator strips and acts as a tail catcher for the hadronic energy flow. From tests performed at the CERN SPS and PS an energy resolution of σ(E)/E=(32.3±2.4)%/E(GeV)+(1.4±0.7)% was measured for pions, and σ(E)/E=(13.8±0.9)%/E(GeV)+(−0.2±0.4)% for electrons.

  2. Response Uniformity of the ATLAS Liquid Argon Electromagnetic Calorimeter

    CERN Document Server

    Aharrouche, M; Di Ciaccio, L; El Kacimi, M; Gaumer, O; Gouanère, M; Goujdami, D; Lafaye, R; Laplace, S; Le Maner, C; Neukermans, L; Perrodo, P; Poggioli, L; Prieur, D; Przysiezniak, H; Sauvage, G; Wingerter-Seez, I; Zitoun, R; Lanni, F; Lü, L; Ma, H; Rajagopalan, S; Takai, H; Belymam, A; Benchekroun, D; Hakimi, M; Hoummada, A; Gao, Y; Stroynowsk, R; Aleksa, M; Carli, T; Fassnacht, P; Gianotti, F; Hervás, L; Lampl, W; Collot, J; Hostachy, J Y; Ledroit-Guillon, F; Malek, F; Martin, P; Viret, S; Leltchouk, M; Parsons, J A; Simion, S; Barreiro, F; Del Peso, J; Labarga, L; Oliver, C; Rodier, S; Barrillon, P; Benchouk, C; Djama, F; Hubaut, F; Monnier, E; Pralavorio, P; Sauvage, D; Serfon, C; Tisserant, S; Tóth, J; Banfi, D; Carminati, L; Cavalli, D; Costa, G; Delmastro, M; Fanti, M; Mandell, L; Mazzanti, M; Tartarelli, F; Kotov, K; Maslennikov, A; Pospelov, G; Tikhonov, Yu; Bourdarios, C; Fayard, L; Fournier, D; Iconomidou-Fayard, L; Kado, M; Parrour, G; Puzo, P; Rousseau, D; Sacco, R; Serin, L; Unal, G; Zerwas, D; Dekhissi, B; Derkaoui, J; EL Kharrim, A; Maaroufi, F; Cleland, W; Lacour, D; Laforge, B; Nikolic-Audit, I; Schwemling, Ph; Ghazlane, H; Cherkaoui El Moursli, R; Idrissi Fakhr-Eddine, A; Boonekamp, M; Kerschen, N; Mansoulié, B; Meyer, P; Schwindlingy, J; Lund-Jensen, B

    2007-01-01

    The construction of the ATLAS electromagnetic liquid argon calorimeter modules is completed and all the modules are assembled and inserted in the cryostats. During the production period four barrel and three endcap modules were exposed to test beams in order to assess their performance, ascertain the production quality and reproducibility, and to scrutinize the complete energy reconstruction chain from the readout and calibration electronics to the signal and energy reconstruction. It was also possible to check the full Monte Carlo simulation of the calorimeter. The analysis of the uniformity, resolution and extraction of constant term is presented. Typical non-uniformities of 0.5% and typical global constant terms of 0.6% are measured for the barrel and end-cap modules.

  3. Phase I Upgrade of the CMS Hadron Calorimeter

    CERN Document Server

    Cooper, Seth Isaac

    2014-01-01

    In preparation for Run 2 (2015) and Run 3 of the LHC (2019), the CMS hadron calorimeter has begun a series of ambitious upgrades. These include new photodetectors in addition to improved front-end and back-end readout electronics. In the hadron forward calorimeter, the existing photomultiplier tubes are being replaced with thinner window, multi-anode readout models, while in the central region, the hybrid photodiodes will be replaced with silicon photomultipliers. The front-end electronics will include high precision timing readout, and the backend electronics will handle the increased data bandwidth. The barrel and endcap longitudinal segmentation will also be increased. This report will describe the motivation for the upgrade, its major components, and its current status.

  4. Calibration for the ATLAS Level-1 Calorimeter-Trigger

    Energy Technology Data Exchange (ETDEWEB)

    Foehlisch, F.

    2007-12-19

    This thesis describes developments and tests that are necessary to operate the Pre-Processor of the ATLAS Level-1 Calorimeter Trigger for data acquisition. The major tasks of Pre-Processor comprise the digitizing, time-alignment and the calibration of signals that come from the ATLAS calorimeter. Dedicated hardware has been developed that must be configured in order to fulfill these tasks. Software has been developed that implements the register-model of the Pre-Processor Modules and allows to set up the Pre-Processor. In order to configure the Pre-Processor in the context of an ATLAS run, user-settings and the results of calibration measurements are used to derive adequate settings for registers of the Pre-Processor. The procedures that allow to perform the required measurements and store the results into a database are demonstrated. Furthermore, tests that go along with the ATLAS installation are presented and results are shown. (orig.)

  5. The iMPACT project tracker and calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Mattiazzo, S., E-mail: serena.mattiazzo@pd.infn.it [Dipartimento di Ingegneria dell' Informazione, Università di Padova, Padova (Italy); Bisello, D. [Dipartimento di Fisica e Astronomia, Università di Padova, Padova (Italy); INFN Sezione di Padova, Padova (Italy); Giubilato, P. [Dipartimento di Fisica e Astronomia, Università di Padova, Padova (Italy); INFN Sezione di Padova, Padova (Italy); CERN, Geneve (Switzerland); Pantano, D.; Pozzobon, N. [Dipartimento di Fisica e Astronomia, Università di Padova, Padova (Italy); INFN Sezione di Padova, Padova (Italy); Snoeys, W. [CERN, Geneve (Switzerland)

    2017-02-11

    In recent years the use of hadrons for cancer radiation treatment has grown in importance, and many facilities are currently operational or under construction worldwide. To fully exploit the therapeutic advantages offered by hadron therapy, precise body imaging for accurate beam delivery is decisive. While traditional X-ray Computed Tomography (xCT) fails in providing 3D images with the precision required for hadrons treatment guidance, Proton Computer Tomography (pCT) scanners, currently in their R&D phase, can. A pCT scanner consists of a tracker system, to track protons, and of a calorimeter, to measure their residual energy. In this paper we will present the iMPACT project, which foresees a novel proton tracking detector with higher scanning speed, better spatial resolution and lower material budget with respect to present state-of-the-art detectors, leading to enhanced performances. The tracker will be matched to a fast, highly segmented proton range calorimeter.

  6. Commissioning of the CMS Hadron Forward Calorimeters Phase I Upgrade

    CERN Document Server

    Bilki, Burak

    2017-01-01

    The final phase of the CMS Hadron Forward Calorimeters Phase I upgrade is being performed during the Extended Year End Technical Stop of 2016 â?? 2017. In the framework of the upgrade, the PMT boxes are being reworked to implement two channel readout in order to exploit the benefits of the multi-anode PMTs in background tagging and signal recovery. The front-end electronics is also being upgraded to QIE10-based electronics which will implement larger dynamic range and a 6-bit TDC to eliminate the background to have an effect on the trigger. Following this major upgrade, the Hadron Forward Calorimeters will be commissioned for operation readiness in 2017. Here we describe the details and the components of the upgrade, and discuss the operational experience and results obtained during the upgrade and commissioning.

  7. Commissioning of the CMS Hadron Forward Calorimeters Phase I Upgrade

    CERN Document Server

    Bilki, Burak

    2017-01-01

    The final phase of the CMS Hadron Forward Calorimeters Phase I upgrade was performed during the Extended Year End Technical Stop of 2016 and 2017. In the framework of the upgrade, the PMT boxes were reworked to implement two channel readout in order to exploit the benefits of the multi-anode PMTs in background tagging and signal recovery. The front-end electronics were also upgraded to QIE10-based electronics which implement larger dynamic range and a 6-bit TDC. Following this major upgrade, the Hadron Forward Calorimeters were commissioned for operation readiness in 2017. Here we describe the details and the components of the upgrade, and discuss the operational experience and results obtained during the upgrade and commissioning.

  8. Performance and Calibration of the ATLAS Tile Calorimeter

    CERN Document Server

    Starovoitov, P; The ATLAS collaboration

    2014-01-01

    The Tile Calorimeter (TileCal) is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider. This detector is instrumental for the measurements of hadrons, jets, tau leptons and missing transverse energy. Scintillation light produced in the tiles is transmitted by wavelength shifting fibers to photomultiplier tubes (PMTs). The resulting electronic signals from approximately 10000 PMTs are measured and digitized before being transferred to off-detector data-acquisition systems. After an initial setting of the absolute energy scale in test beams with particles of well-defined momentum, the calibrated scale is transferred to the rest of the detector via the response to radioactive sources. The calibrated scale is validated in situ with muons and single hadrons whereas the timing performance is checked with muons and jets. A brief description of the individual calibration systems (Cs radioactive source, laser, charge injection, minimum bias) is provided. Their combination allows to calibr...

  9. ATLAS Tile Calorimeter time calibration, monitoring and performance

    CERN Document Server

    Davidek, Tomas; The ATLAS collaboration

    2016-01-01

    The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. This sampling device is made of plastic scintillating tiles alternated with iron plates and its response is calibrated to electromagnetic scale by means of several dedicated calibration systems. The accurate time calibration is important for the energy reconstruction, non-collision background removal as well as for specific physics analyses. The initial time calibration with so-called splash events and subsequent fine-tuning with collision data are presented. The monitoring of the time calibration with laser system and physics collision data is discussed as well as the corrections for sudden changes performed still before the recorded data are processed for physics analyses. Finally, the time resolution as measured with jets and isolated muons particles is presented.

  10. ATLAS Tile Calorimeter time calibration, monitoring and performance

    Science.gov (United States)

    Davidek, T.; ATLAS Collaboration

    2017-11-01

    The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. This sampling device is made of plastic scintillating tiles alternated with iron plates and its response is calibrated to electromagnetic scale by means of several dedicated calibration systems. The accurate time calibration is important for the energy reconstruction, non-collision background removal as well as for specific physics analyses. The initial time calibration with so-called splash events and subsequent fine-tuning with collision data are presented. The monitoring of the time calibration with laser system and physics collision data is discussed as well as the corrections for sudden changes performed still before the recorded data are processed for physics analyses. Finally, the time resolution as measured with jets and isolated muons is presented.

  11. The New Readout System of the NA62 LKr Calorimeter

    CERN Document Server

    Ceccucci, A; Farthouat, P; Lamanna, G; Rouet, J; Ryjov, V; Venditti, S

    2015-01-01

    The NA62 experiment [1] at CERN SPS (Super Proton Synchrotron) accelerator aims at studying Kaon decays with high precision. The high resolution Liquid Krypton (LKr) calorimeter, built for the NA48 [2] experiment, is a crucial part of the photon-veto system; to cope with the demanding NA62 re- quirements,itsback-endelectron icshadtobecompletelyrenewed. The new readout system is based on the Calorimeter REAdout Module (CREAM) [3], a 6U VME board whose design and pro- duction was sub-contracted to CAEN [4], with CERN NA62 group continuously supervising the de velopment and production phase. The first version of the board was delivered by the manufacturer in March 2013 and, as of June 2014, the full board production is ongoing. In addition to describing the CREAM board, all aspects of the new LKr readout system, including its integration within the NA62 TDAQ scheme, will be treated.

  12. Calibration of the Electromagnetic Calorimeter of the CMS experiment

    CERN Document Server

    Argiro, Stefano

    2008-01-01

    The electromagnetic calorimeter (ECAL) of the CMS experiment is an homogeneous, hermetic detector with high granularity. Its potential performances are outstanding in terms of energy resolution, dynamic range and noise level. These characteristics make the calorimeter the most powerful device in the search of the decay in two photons of the Higgs particle. However, the energy resolution depends crucially on the channel to channel intercalibration precision. Therefore, great attention must be given to the calibration process. In this contribution we will describe the strategy that the ECAL group has devised to calibrate the detector. We will report on the pre-calibration processes that have already been performed, the strategies for intercalibration at startup and those foreseen when sufficient statistics will be accumulated to use W and Z events. For the normal data taking regime, an intercalibration precision of 0.5\\% should be reached, while the response of the detector will be monitored regularly.

  13. ATLAS Tile Calorimeter: simulation and validation of the response

    CERN Document Server

    Davidek, T; The ATLAS collaboration

    2015-01-01

    The Tile Calorimeter (TileCal) is the central secti1 on of the ATLAS hadronic calorimeter at the Large Hadron Collider. Scintillation light produced in the tiles is readout by wavelength shifting fibers and transmitted to photomultiplier tubes (PMTs). The resulting electronic signals from approximately 10000 PMTs are measured and digitized before being further transferred to off-detector data-acquisition systems. Detailed simulations are described in this contribution, ranging from the implementation of the geometrical elements to the realistic description of the electronics readout pulses, including specific noise treatment and the signal reconstruction. Special attention is given to the improved optical signal propagation and the validation with the real particle data.

  14. The front-end electronics for LHCb calorimeters

    CERN Document Server

    Breton, D

    2002-01-01

    For the readout of the calorimeters of the LHCb experiment at CERN, specific front-end electronics have been designed. In particular, three different front-end analog chips were studied respectively for the ECAL/HCAL, preshower and scintillator pad detector. We will present the three front-end electronic chains, point out their specific requirements together with their common purpose, and describe the corresponding ASICs. (6 refs).

  15. MC simulation of the ATLAS hadronic calorimeter performance

    CERN Document Server

    Varanda, M J

    2002-01-01

    Several MC studies of the tile hadronic calorimeter (Tilecal) using GEANT3 and GEANT4 have been done after tuning the code with data from tests with high energy particle beams at CERN. The comparison between the two codes started with the study of the simulation of the electromagnetic interactions and results are presented. A preliminary study of the evaluation of the simulation of the hadronic interactions is also presented. (3 refs).

  16. New method of fast simulation for a hadron calorimeter response

    CERN Document Server

    Kulchitskii, Yu A; Tokar, S; Zenis, T

    2003-01-01

    In this work we present the new method of a fast Monte-Carlo simulation of a hadron calorimeter response. It is based on the three-dimensional parameterization of the hadronic shower obtained from the ATLAS TILECAL test beam data and GEANT simulations. A new approach of including the longitudinal fluctuations of hadronic shower is described. The obtained results of the fast simulation are in good agreement with the TILECAL experimental data. (15 refs).

  17. Time Reconstruction and Performance of the CMS Electromagnetic Calorimeter

    CERN Document Server

    Chatrchyan, S; Sirunyan, A M; Adam, W; Arnold, B; Bergauer, H; Bergauer, T; Dragicevic, M; Eichberger, M; Erö, J; Friedl, M; Frühwirth, R; Ghete, V M; Hammer, J; Hänsel, S; Hoch, M; Hörmann, N; Hrubec, J; Jeitler, M; Kasieczka, G; Kastner, K; Krammer, M; Liko, D; Magrans de Abril, I; Mikulec, I; Mittermayr, F; Neuherz, B; Oberegger, M; Padrta, M; Pernicka, M; Rohringer, H; Schmid, S; Schöfbeck, R; Schreiner, T; Stark, R; Steininger, H; Strauss, J; Taurok, A; Teischinger, F; Themel, T; Uhl, D; Wagner, P; Waltenberger, W; Walzel, G; Widl, E; Wulz, C E; Chekhovsky, V; Dvornikov, O; Emeliantchik, I; Litomin, A; Makarenko, V; Marfin, I; Mossolov, V; Shumeiko, N; Solin, A; Stefanovitch, R; Suarez Gonzalez, J; Tikhonov, A; Fedorov, A; Karneyeu, A; Korzhik, M; Panov, V; Zuyeuski, R; Kuchinsky, P; Beaumont, W; Benucci, L; Cardaci, M; De Wolf, E A; Delmeire, E; Druzhkin, D; Hashemi, M; Janssen, X; Maes, T; Mucibello, L; Ochesanu, S; Rougny, R; Selvaggi, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Adler, V; Beauceron, S; Blyweert, S; D'Hondt, J; De Weirdt, S; Devroede, O; Heyninck, J; Kalogeropoulos, A; Maes, J; Maes, M; Mozer, M U; Tavernier, S; Van Doninck, W; Van Mulders, P; Villella, I; Bouhali, O; Chabert, E C; Charaf, O; Clerbaux, B; De Lentdecker, G; Dero, V; Elgammal, S; Gay, A P R; Hammad, G H; Marage, P E; Rugovac, S; Vander Velde, C; Vanlaer, P; Wickens, J; Grunewald, M; Klein, B; Marinov, A; Ryckbosch, D; Thyssen, F; Tytgat, M; Vanelderen, L; Verwilligen, P; Basegmez, S; Bruno, G; Caudron, J; Delaere, C; Demin, P; Favart, D; Giammanco, A; Grégoire, G; Lemaitre, V; Militaru, O; Ovyn, S; Piotrzkowski, K; Quertenmont, L; Schul, N; Beliy, N; Daubie, E; Alves, G A; Pol, M E; Souza, M H G; Carvalho, W; De Jesus Damiao, D; De Oliveira Martins, C; Fonseca De Souza, S; Mundim, L; Oguri, V; Santoro, A; Silva Do Amaral, S M; Sznajder, A; Fernandez Perez Tomei, T R; Ferreira Dias, M A; Gregores, E M; Novaes, S F; Abadjiev, K; Anguelov, T; Damgov, J; Darmenov, N; Dimitrov, L; Genchev, V; Iaydjiev, P; Piperov, S; Stoykova, S; Sultanov, G; Trayanov, R; Vankov, I; Dimitrov, A; Dyulendarova, M; Kozhuharov, V; Litov, L; Marinova, E; Mateev, M; Pavlov, B; Petkov, P; Toteva, Z; Chen, G M; Chen, H S; Guan, W; Jiang, C H; Liang, D; Liu, B; Meng, X; Tao, J; Wang, J; Wang, Z; Xue, Z; Zhang, Z; Ban, Y; Cai, J; Ge, Y; Guo, S; Hu, Z; Mao, Y; Qian, S J; Teng, H; Zhu, B; Avila, C; Baquero Ruiz, M; Carrillo Montoya, C A; Gomez, A; Gomez Moreno, B; Ocampo Rios, A A; Osorio Oliveros, A F; Reyes Romero, D; Sanabria, J C; Godinovic, N; Lelas, K; Plestina, R; Polic, D; Puljak, I; Antunovic, Z; Dzelalija, M; Brigljevic, V; Duric, S; Kadija, K; Morovic, S; Fereos, R; Galanti, M; Mousa, J; Papadakis, A; Ptochos, F; Razis, P A; Tsiakkouri, D; Zinonos, Z; Hektor, A; Kadastik, M; Kannike, K; Müntel, M; Raidal, M; Rebane, L; Anttila, E; Czellar, S; Härkönen, J; Heikkinen, A; Karimäki, V; Kinnunen, R; Klem, J; Kortelainen, M J; Lampén, T; Lassila-Perini, K; Lehti, S; Lindén, T; Luukka, P; Mäenpää, T; Nysten, J; Tuominen, E; Tuominiemi, J; Ungaro, D; Wendland, L; Banzuzi, K; Korpela, A; Tuuva, T; Nedelec, P; Sillou, D; Besancon, M; Chipaux, R; Dejardin, M; Denegri, D; Descamps, J; Fabbro, B; Faure, J L; Ferri, F; Ganjour, S; Gentit, F X; Givernaud, A; Gras, P; Hamel de Monchenault, G; Jarry, P; Lemaire, M C; Locci, E; Malcles, J; Marionneau, M; Millischer, L; Rander, J; Rosowsky, A; Rousseau, D; Titov, M; Verrecchia, P; Baffioni, S; Bianchini, L; Bluj, M; Busson, P; Charlot, C; Dobrzynski, L; Granier de Cassagnac, R; Haguenauer, M; Miné, P; Paganini, P; Sirois, Y; Thiebaux, C; Zabi, A; Agram, J L; Besson, A; Bloch, D; Bodin, D; Brom, J M; Conte, E; Drouhin, F; Fontaine, J C; Gelé, D; Goerlach, U; Gross, L; Juillot, P; Le Bihan, A C; Patois, Y; Speck, J; Van Hove, P; Baty, C; Bedjidian, M; Blaha, J; Boudoul, G; Brun, H; Chanon, N; Chierici, R; Contardo, D; Depasse, P; Dupasquier, T; El Mamouni, H; Fassi, F; Fay, J; Gascon, S; Ille, B; Kurca, T; Le Grand, T; Lethuillier, M; Lumb, N; Mirabito, L; Perries, S; Vander Donckt, M; Verdier, P; Djaoshvili, N; Roinishvili, N; Roinishvili, V; Amaglobeli, N; Adolphi, R; Anagnostou, G; Brauer, R; Braunschweig, W; Edelhoff, M; Esser, H; Feld, L; Karpinski, W; Khomich, A; Klein, K; Mohr, N; Ostaptchouk, A; Pandoulas, D; Pierschel, G; Raupach, F; Schael, S; Schultz von Dratzig, A; Schwering, G; Sprenger, D; Thomas, M; Weber, M; Wittmer, B; Wlochal, M; Actis, O; Altenhöfer, G; Bender, W; Biallass, P; Erdmann, M; Fetchenhauer, G; Frangenheim, J; Hebbeker, T; Hilgers, G; Hinzmann, A; Hoepfner, K; Hof, C; Kirsch, M; Klimkovich, T; Kreuzer, P; Lanske, D; Merschmeyer, M; Meyer, A; Philipps, B; Pieta, H; Reithler, H; Schmitz, S A; Sonnenschein, L; Sowa, M; Steggemann, J; Szczesny, H; Teyssier, D; Zeidler, C; Bontenackels, M; Davids, M; Duda, M; Flügge, G; Geenen, H; Giffels, M; Haj Ahmad, W; Hermanns, T; Heydhausen, D; Kalinin, S; Kress, T; Linn, A; Nowack, A; Perchalla, L; Poettgens, M; Pooth, O; Sauerland, P; Stahl, A; Tornier, D; Zoeller, M H; Aldaya Martin, M; Behrens, U; Borras, K; Campbell, A; Castro, E; Dammann, D; Eckerlin, G; Flossdorf, A; Flucke, G; Geiser, A; Hatton, D; Hauk, J; Jung, H; Kasemann, M; Katkov, I; Kleinwort, C; Kluge, H; Knutsson, A; Kuznetsova, E; Lange, W; Lohmann, W; Mankel, R; Marienfeld, M; Meyer, A B; Miglioranzi, S; Mnich, J; Ohlerich, M; Olzem, J; Parenti, A; Rosemann, C; Schmidt, R; Schoerner-Sadenius, T; Volyanskyy, D; Wissing, C; Zeuner, W D; Autermann, C; Bechtel, F; Draeger, J; Eckstein, D; Gebbert, U; Kaschube, K; Kaussen, G; Klanner, R; Mura, B; Naumann-Emme, S; Nowak, F; Pein, U; Sander, C; Schleper, P; Schum, T; Stadie, H; Steinbrück, G; Thomsen, J; Wolf, R; Bauer, J; Blüm, P; Buege, V; Cakir, A; Chwalek, T; De Boer, W; Dierlamm, A; Dirkes, G; Feindt, M; Felzmann, U; Frey, M; Furgeri, A; Gruschke, J; Hackstein, C; Hartmann, F; Heier, S; Heinrich, M; Held, H; Hirschbuehl, D; Hoffmann, K H; Honc, S; Jung, C; Kuhr, T; Liamsuwan, T; Martschei, D; Mueller, S; Müller, Th; Neuland, M B; Niegel, M; Oberst, O; Oehler, A; Ott, J; Peiffer, T; Piparo, D; Quast, G; Rabbertz, K; Ratnikov, F; Ratnikova, N; Renz, M; Saout, C; Sartisohn, G; Scheurer, A; Schieferdecker, P; Schilling, F P; Schott, G; Simonis, H J; Stober, F M; Sturm, P; Troendle, D; Trunov, A; Wagner, W; Wagner-Kuhr, J; Zeise, M; Zhukov, V; Ziebarth, E B; Daskalakis, G; Geralis, T; Karafasoulis, K; Kyriakis, A; Loukas, D; Markou, A; Markou, C; Mavrommatis, C; Petrakou, E; Zachariadou, A; Gouskos, L; Katsas, P; Panagiotou, A; Evangelou, I; Kokkas, P; Manthos, N; Papadopoulos, I; Patras, V; Triantis, F A; Bencze, G; Boldizsar, L; Debreczeni, G; Hajdu, C; Hernath, S; Hidas, P; Horvath, D; Krajczar, K; Laszlo, A; Patay, G; Sikler, F; Toth, N; Vesztergombi, G; Beni, N; Christian, G; Imrek, J; Molnar, J; Novak, D; Palinkas, J; Szekely, G; Szillasi, Z; Tokesi, K; Veszpremi, V; Kapusi, A; Marian, G; Raics, P; Szabo, Z; Trocsanyi, Z L; Ujvari, B; Zilizi, G; Bansal, S; Bawa, H S; Beri, S B; Bhatnagar, V; Jindal, M; Kaur, M; Kaur, R; Kohli, J M; Mehta, M Z; Nishu, N; Saini, L K; Sharma, A; Singh, A; Singh, J B; Singh, S P; Ahuja, S; Arora, S; Bhattacharya, S; Chauhan, S; Choudhary, B C; Gupta, P; Jain, S; Jha, M; Kumar, A; Ranjan, K; Shivpuri, R K; Srivastava, A K; Choudhury, R K; Dutta, D; Kailas, S; Kataria, S K; Mohanty, A K; Pant, L M; Shukla, P; Topkar, A; Aziz, T; Guchait, M; Gurtu, A; Maity, M; Majumder, D; Majumder, G; Mazumdar, K; Nayak, A; Saha, A; Sudhakar, K; Banerjee, S; Dugad, S; Mondal, N K; Arfaei, H; Bakhshiansohi, H; Fahim, A; Jafari, A; Mohammadi Najafabadi, M; Moshaii, A; Paktinat Mehdiabadi, S; Rouhani, S; Safarzadeh, B; Zeinali, M; Felcini, M; Abbrescia, M; Barbone, L; Chiumarulo, F; Clemente, A; Colaleo, A; Creanza, D; Cuscela, G; De Filippis, N; De Palma, M; De Robertis, G; Donvito, G; Fedele, F; Fiore, L; Franco, M; Iaselli, G; Lacalamita, N; Loddo, F; Lusito, L; Maggi, G; Maggi, M; Manna, N; Marangelli, B; My, S; Natali, S; Nuzzo, S; Papagni, G; Piccolomo, S; Pierro, G A; Pinto, C; Pompili, A; Pugliese, G; Rajan, R; Ranieri, A; Romano, F; Roselli, G; Selvaggi, G; Shinde, Y; Silvestris, L; Tupputi, S; Zito, G; Abbiendi, G; Bacchi, W; Benvenuti, A C; Boldini, M; Bonacorsi, D; Braibant-Giacomelli, S; Cafaro, V D; Caiazza, S S; Capiluppi, P; Castro, A; Cavallo, F R; Codispoti, G; Cuffiani, M; D'Antone, I; Dallavalle, G M; Fabbri, F; Fanfani, A; Fasanella, D; Giacomelli, P; Giordano, V; Giunta, M; Grandi, C; Guerzoni, M; Marcellini, S; Masetti, G; Montanari, A; Navarria, F L; Odorici, F; Pellegrini, G; Perrotta, A; Rossi, A M; Rovelli, T; Siroli, G; Torromeo, G; Travaglini, R; Albergo, S; Costa, S; Potenza, R; Tricomi, A; Tuve, C; Barbagli, G; Broccolo, G; Ciulli, V; Civinini, C; D'Alessandro, R; Focardi, E; Frosali, S; Gallo, E; Genta, C; Landi, G; Lenzi, P; Meschini, M; Paoletti, S; Sguazzoni, G; Tropiano, A; Benussi, L; Bertani, M; Bianco, S; Colafranceschi, S; Colonna, D; Fabbri, F; Giardoni, M; Passamonti, L; Piccolo, D; Pierluigi, D; Ponzio, B; Russo, A; Fabbricatore, P; Musenich, R; Benaglia, A; Calloni, M; Cerati, G B; D'Angelo, P; De Guio, F; Farina, F M; Ghezzi, A; Govoni, P; Malberti, M; Malvezzi, S; Martelli, A; Menasce, D; Miccio, V; Moroni, L; Negri, P; Paganoni, M; Pedrini, D; Pullia, A; Ragazzi, S; Redaelli, N; Sala, S; Salerno, R; Tabarelli de Fatis, T; Tancini, V; Taroni, S; Buontempo, S; Cavallo, N; Cimmino, A; De Gruttola, M; Fabozzi, F; Iorio, A O M; Lista, L; Lomidze, D; Noli, P; Paolucci, P; Sciacca, C; Azzi, P; Bacchetta, N; Barcellan, L; Bellan, P; Bellato, M; Benettoni, M; Biasotto, M; Bisello, D; Borsato, E; Branca, A; Carlin, R; Castellani, L; Checchia, P; Conti, E; Dal Corso, F; De Mattia, M; Dorigo, T; Dosselli, U; Fanzago, F; Gasparini, F; Gasparini, U; Giubilato, P; Gonella, F; Gresele, A; Gulmini, M; Kaminskiy, A; Lacaprara, S; Lazzizzera, I; Margoni, M; Maron, G; Mattiazzo, S; Mazzucato, M; Meneghelli, M; Meneguzzo, A T; Michelotto, M; Montecassiano, F; Nespolo, M; Passaseo, M; Pegoraro, M; Perrozzi, L; Pozzobon, N; Ronchese, P; Simonetto, F; Toniolo, N; Torassa, E; Tosi, M; Triossi, A; Vanini, S; Ventura, S; Zotto, P; Zumerle, G; Baesso, P; Berzano, U; Bricola, S; Necchi, M M; Pagano, D; Ratti, S P; Riccardi, C; Torre, P; Vicini, A; Vitulo, P; Viviani, C; Aisa, D; Aisa, S; Babucci, E; Biasini, M; Bilei, G M; Caponeri, B; Checcucci, B; Dinu, N; Fanò, L; Farnesini, L; Lariccia, P; Lucaroni, A; Mantovani, G; Nappi, A; Piluso, A; Postolache, V; Santocchia, A; Servoli, L; Tonoiu, D; Vedaee, A; Volpe, R; Azzurri, P; Bagliesi, G; Bernardini, J; Berretta, L; Boccali, T; Bocci, A; Borrello, L; Bosi, F; Calzolari, F; Castaldi, R; Dell'Orso, R; Fiori, F; Foà, L; Gennai, S; Giassi, A; Kraan, A; Ligabue, F; Lomtadze, T; Mariani, F; Martini, L; Massa, M; Messineo, A; Moggi, A; Palla, F; Palmonari, F; Petragnani, G; Petrucciani, G; Raffaelli, F; Sarkar, S; Segneri, G; Serban, A T; Spagnolo, P; Tenchini, R; Tolaini, S; Tonelli, G; Venturi, A; Verdini, P G; Baccaro, S; Barone, L; Bartoloni, A; Cavallari, F; Dafinei, I; Del Re, D; Di Marco, E; Diemoz, M; Franci, D; Longo, E; Organtini, G; Palma, A; Pandolfi, F; Paramatti, R; Pellegrino, F; Rahatlou, S; Rovelli, C; Alampi, G; Amapane, N; Arcidiacono, R; Argiro, S; Arneodo, M; Biino, C; Borgia, M A; Botta, C; Cartiglia, N; Castello, R; Cerminara, G; Costa, M; Dattola, D; Dellacasa, G; Demaria, N; Dughera, G; Dumitrache, F; Graziano, A; Mariotti, C; Marone, M; Maselli, S; Migliore, E; Mila, G; Monaco, V; Musich, M; Nervo, M; Obertino, M M; Oggero, S; Panero, R; Pastrone, N; Pelliccioni, M; Romero, A; Ruspa, M; Sacchi, R; Solano, A; Staiano, A; Trapani, P P; Trocino, D; Vilela Pereira, A; Visca, L; Zampieri, A; Ambroglini, F; Belforte, S; Cossutti, F; Della Ricca, G; Gobbo, B; Penzo, A; Chang, S; Chung, J; Kim, D H; Kim, G N; Kong, D J; Park, H; Son, D C; Bahk, S Y; Song, S; Jung, S Y; Hong, B; Kim, H; Kim, J H; Lee, K S; Moon, D H; Park, S K; Rhee, H B; Sim, K S; Kim, J; Choi, M; Hahn, G; Park, I C; Choi, S; Choi, Y; Goh, J; Jeong, H; Kim, T J; Lee, J; Lee, S; Janulis, M; Martisiute, D; Petrov, P; Sabonis, T; Castilla Valdez, H; Sánchez Hernández, A; Carrillo Moreno, S; Morelos Pineda, A; Allfrey, P; Gray, R N C; Krofcheck, D; Bernardino Rodrigues, N; Butler, P H; Signal, T; Williams, J C; Ahmad, M; Ahmed, I; Ahmed, W; Asghar, M I; Awan, M I M; Hoorani, H R; Hussain, I; Khan, W A; Khurshid, T; Muhammad, S; Qazi, S; Shahzad, H; Cwiok, M; Dabrowski, R; Dominik, W; Doroba, K; Konecki, M; Krolikowski, J; Pozniak, K; Romaniuk, Ryszard; Zabolotny, W; Zych, P; Frueboes, T; Gokieli, R; Goscilo, L; Górski, M; Kazana, M; Nawrocki, K; Szleper, M; Wrochna, G; Zalewski, P; Almeida, N; Antunes Pedro, L; Bargassa, P; David, A; Faccioli, P; Ferreira Parracho, P G; Freitas Ferreira, M; Gallinaro, M; Guerra Jordao, M; Martins, P; Mini, G; Musella, P; Pela, J; Raposo, L; Ribeiro, P Q; Sampaio, S; Seixas, J; Silva, J; Silva, P; Soares, D; Sousa, M; Varela, J; Wöhri, H K; Altsybeev, I; Belotelov, I; Bunin, P; Ershov, Y; Filozova, I; Finger, M; Finger, M., Jr.; Golunov, A; Golutvin, I; Gorbounov, N; Kalagin, V; Kamenev, A; Karjavin, V; Konoplyanikov, V; Korenkov, V; Kozlov, G; Kurenkov, A; Lanev, A; Makankin, A; Mitsyn, V V; Moisenz, P; Nikonov, E; Oleynik, D; Palichik, V; Perelygin, V; Petrosyan, A; Semenov, R; Shmatov, S; Smirnov, V; Smolin, D; Tikhonenko, E; Vasil'ev, S; Vishnevskiy, A; Volodko, A; Zarubin, A; Zhiltsov, V; Bondar, N; Chtchipounov, L; Denisov, A; Gavrikov, Y; Gavrilov, G; Golovtsov, V; Ivanov, Y; Kim, V; Kozlov, V; Levchenko, P; Obrant, G; Orishchin, E; Petrunin, A; Shcheglov, Y; Shchetkovskiy, A; Sknar, V; Smirnov, I; Sulimov, V; Tarakanov, V; Uvarov, L; Vavilov, S; Velichko, G; Volkov, S; Vorobyev, A; Andreev, Yu; Anisimov, A; Antipov, P; Dermenev, A; Gninenko, S; Golubev, N; Kirsanov, M; Krasnikov, N; Matveev, V; Pashenkov, A; Postoev, V E; Solovey, A; Toropin, A; Troitsky, S; Baud, A; Epshteyn, V; Gavrilov, V; Ilina, N; Kaftanov, V; Kolosov, V; Kossov, M; Krokhotin, A; Kuleshov, S; Oulianov, A; Safronov, G; Semenov, S; Shreyber, I; Stolin, V; Vlasov, E; Zhokin, A; Boos, E; Dubinin, M; Dudko, L; Ershov, A; Gribushin, A; Klyukhin, V; Kodolova, O; Lokhtin, I; Petrushanko, S; Sarycheva, L; Savrin, V; Snigirev, A; Vardanyan, I; Dremin, I; Kirakosyan, M; Konovalova, N; Rusakov, S V; Vinogradov, A; Akimenko, S; Artamonov, A; Azhgirey, I; Bitioukov, S; Burtovoy, V; Grishin, V; Kachanov, V; Konstantinov, D; Krychkine, V; Levine, A; Lobov, I; Lukanin, V; Mel'nik, Y; Petrov, V; Ryutin, R; Slabospitsky, S; Sobol, A; Sytine, A; Tourtchanovitch, L; Troshin, S; Tyurin, N; Uzunian, A; Volkov, A; Adzic, P; Djordjevic, M; Jovanovic, D; Krpic, D; Maletic, D; Puzovic, J; Smiljkovic, N; Aguilar-Benitez, M; Alberdi, J; Alcaraz Maestre, J; Arce, P; Barcala, J M; Battilana, C; Burgos Lazaro, C; Caballero Bejar, J; Calvo, E; Cardenas Montes, M; Cepeda, M; Cerrada, M; Chamizo Llatas, M; Clemente, F; Colino, N; Daniel, M; De La Cruz, B; Delgado Peris, A; Diez Pardos, C; Fernandez Bedoya, C; Fernández Ramos, J P; Ferrando, A; Flix, J; Fouz, M C; Garcia-Abia, P; 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Gomez Ceballos, G; Hahn, K A; Harris, P; Jaditz, S; Kim, Y; Klute, M; Lee, Y J; Li, W; Loizides, C; Ma, T; Miller, M; Nahn, S; Paus, C; Roland, C; Roland, G; Rudolph, M; Stephans, G; Sumorok, K; Sung, K; Vaurynovich, S; Wenger, E A; Wyslouch, B; Xie, S; Yilmaz, Y; Yoon, A S; Bailleux, D; Cooper, S I; Cushman, P; Dahmes, B; De Benedetti, A; Dolgopolov, A; Dudero, P R; Egeland, R; Franzoni, G; Haupt, J; Inyakin, A; Klapoetke, K; Kubota, Y; Mans, J; Mirman, N; Petyt, D; Rekovic, V; Rusack, R; Schroeder, M; Singovsky, A; Zhang, J; Cremaldi, L M; Godang, R; Kroeger, R; Perera, L; Rahmat, R; Sanders, D A; Sonnek, P; Summers, D; Bloom, K; Bockelman, B; Bose, S; Butt, J; Claes, D R; Dominguez, A; Eads, M; Keller, J; Kelly, T; Kravchenko, I; Lazo-Flores, J; Lundstedt, C; Malbouisson, H; Malik, S; Snow, G R; Baur, U; Iashvili, I; Kharchilava, A; Kumar, A; Smith, K; Strang, M; Alverson, G; Barberis, E; Boeriu, O; Eulisse, G; Govi, G; McCauley, T; Musienko, Y; Muzaffar, S; Osborne, I; Paul, T; Reucroft, S; 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Yoo, H D; Zheng, Y; Jindal, P; Parashar, N; Cuplov, V; Ecklund, K M; Geurts, F J M; Liu, J H; Maronde, D; Matveev, M; Padley, B P; Redjimi, R; Roberts, J; Sabbatini, L; Tumanov, A; Betchart, B; Bodek, A; Budd, H; Chung, Y S; de Barbaro, P; Demina, R; Flacher, H; Gotra, Y; Harel, A; Korjenevski, S; Miner, D C; Orbaker, D; Petrillo, G; Vishnevskiy, D; Zielinski, M; Bhatti, A; Demortier, L; Goulianos, K; Hatakeyama, K; Lungu, G; Mesropian, C; Yan, M; Atramentov, O; Bartz, E; Gershtein, Y; Halkiadakis, E; Hits, D; Lath, A; Rose, K; Schnetzer, S; Somalwar, S; Stone, R; Thomas, S; Watts, T L; Cerizza, G; Hollingsworth, M; Spanier, S; Yang, Z C; York, A; Asaadi, J; Aurisano, A; Eusebi, R; Golyash, A; Gurrola, A; Kamon, T; Nguyen, C N; Pivarski, J; Safonov, A; Sengupta, S; Toback, D; Weinberger, M; Akchurin, N; Berntzon, L; Gumus, K; Jeong, C; Kim, H; Lee, S W; Popescu, S; Roh, Y; Sill, A; Volobouev, I; Washington, E; Wigmans, R; Yazgan, E; Engh, D; Florez, C; Johns, W; Pathak, S; Sheldon, P; Andelin, D; Arenton, M W; Balazs, M; Boutle, S; Buehler, M; Conetti, S; Cox, B; Hirosky, R; Ledovskoy, A; Neu, C; Phillips II, D; Ronquest, M; Yohay, R; Gollapinni, S; Gunthoti, K; Harr, R; Karchin, P E; Mattson, M; Sakharov, A; Anderson, M; Bachtis, M; Bellinger, J N; Carlsmith, D; Crotty, I; Dasu, S; Dutta, S; Efron, J; Feyzi, F; Flood, K; Gray, L; Grogg, K S; Grothe, M; Hall-Wilton, R; Jaworski, M; Klabbers, P; Klukas, J; Lanaro, A; Lazaridis, C; Leonard, J; Loveless, R; Magrans de Abril, M; Mohapatra, A; Ott, G; Polese, G; Reeder, D; Savin, A; Smith, W H; Sourkov, A; Swanson, J; Weinberg, M; Wenman, D; Wensveen, M; White, A

    2010-01-01

    The resolution and the linearity of time measurements made with the CMS electromagnetic calorimeter are studied with samples of data from test beam electrons, cosmic rays, and beam-produced muons. The resulting time resolution measured by lead tungstate crystals is better than 100 ps for energy deposits larger than 10 GeV. Crystal-to-crystal synchronization with a precision of 500 ps is performed using muons produced with the first LHC beams in 2008.

  18. CMS Hadron Forward Calorimeter Phase I Upgrade Status

    CERN Document Server

    Onel, Yasar

    2015-01-01

    The Hadron Forward Calorimeter of CMS is going through a complete Phase I upgrade. The current photomultiplier tubes (PMTs) are being replaced with thinner window, higher quantum efficiency, four-anode photomultiplier tubes. The new PMTs will provide better light detection performance, a significantly reduced background and unique handles to recover the signal in the presence of background. This report will describe the nature of the essential upgrade elements with supporting beam test results and the status of the upgrade progression.

  19. Micro-Fabricated DC Comparison Calorimeter for RF Power Measurement

    Directory of Open Access Journals (Sweden)

    Bilel Neji

    2014-10-01

    Full Text Available Diode detection and bolometric detection have been widely used to measure radio frequency (RF power. However, flow calorimeters, in particular micro-fabricated flow calorimeters, have been mostly unexplored as power meters. This paper presents the design, micro-fabrication and characterization of a flow calorimeter. This novel device is capable of measuring power from 100 \\(\\mu\\W to 200 mW. It has a 50-Ohm load that is heated by the RF source, and the heat is transferred to fluid in a microchannel. The temperature change in the fluid is measured by a thermistor that is connected in one leg of a Wheatstone bridge. The output voltage change of the bridge corresponds to the RF power applied to the load. The microfabricated device measures 25.4 mm \\(\\times\\ 50.8 mm, excluding the power supplies, microcontroller and fluid pump. Experiments demonstrate that the micro-fabricated sensor has a sensitivity up to 22 \\(\\times\\ \\(10^{-3}\\ V/W. The typical resolution of this micro-calorimeter is on the order of 50 \\(\\mu\\W, and the best resolution is around 10 \\(\\mu\\W. The effective efficiency is 99.9\\% from 0–1 GHz and more than 97.5\\% at frequencies up to 4 GHz. The measured reflection coefficient of the 50-Ohm load and coplanar wave guide is less than \\(-25\\ dB from 0–2 GHz and less than \\(-16\\ dB at 2–4 GHz.

  20. Micro-fabricated DC comparison calorimeter for RF power measurement.

    Science.gov (United States)

    Neji, Bilel; Xu, Jing; Titus, Albert H; Meltzer, Joel

    2014-10-27

    Diode detection and bolometric detection have been widely used to measure radio frequency (RF) power. However, flow calorimeters, in particular micro-fabricated flow calorimeters, have been mostly unexplored as power meters. This paper presents the design, micro-fabrication and characterization of a flow calorimeter. This novel device is capable of measuring power from 100 μW to 200 mW. It has a 50-Ohm load that is heated by the RF source, and the heat is transferred to fluid in a microchannel. The temperature change in the fluid is measured by a thermistor that is connected in one leg of a Wheatstone bridge. The output voltage change of the bridge corresponds to the RF power applied to the load. The microfabricated device measures 25.4 mm × 50.8 mm, excluding the power supplies, microcontroller and fluid pump. Experiments demonstrate that the micro-fabricated sensor has a sensitivity up to 22 × 10⁻³ V/W. The typical resolution of this micro-calorimeter is on the order of 50 μW, and the best resolution is around 10 μW. The effective efficiency is 99.9% from 0−1 GHz and more than 97.5% at frequencies up to 4 GHz. The measured reflection coefficient of the 50-Ohm load and coplanar wave guide is less than −25 dB from 0−2 GHz and less than −16 dB at 2−4 GHz.

  1. Design, Construction and Testing of the Digital Hadron Calorimeter (DHCAL) Electronics

    CERN Document Server

    Adams, C; Bilki, B; Butler, J; Corriveau, F; Cundiff, T; Drake, G; Francis, K; Guarino, V; Haberichter, B; Hazen, E; Hoff, J; Holm, S; Kreps, A; DeLurgio, P; Monte, L Dal; Mucia, N; Norbeck, E; Northacker, D; Onel, Y; Pollack, B; Repond, J; Schlereth, J; Smith, J R; Trojand, D; Underwood, D; Velasco, M; Walendziak, J; Wood, K; Wu, S; Xia, L; Zhang, Q; Zhao, A

    2016-01-01

    A novel hadron calorimeter is being developed for future lepton colliding beam detectors. The calorimeter is optimized for the application of Particle Flow Algorithms (PFAs) to the measurement of hadronic jets and features a very finely segmented readout with 1 x 1 cm2 cells. The active media of the calorimeter are Resistive Plate Chambers (RPCs) with a digital, i.e. one-bit, readout. To first order the energy of incident particles in this calorimeter is reconstructed as being proportional to the number of pads with a signal over a given threshold. A large-scale prototype calorimeter with approximately 500,000 readout channels has been built and underwent extensive testing in the Fermilab and CERN test beams. This paper reports on the design, construction, and commissioning of the electronic readout system of this prototype calorimeter. The system is based on the DCAL front-end chip and a VME-based back-end.

  2. LHCb : First years of running for the LHCb calorimeter system and preparation for run 2

    CERN Multimedia

    Chefdeville, Maximilien

    2015-01-01

    The LHCb experiment is dedicated to precision measurements of CP violation and rare decays of B hadrons at the Large Hadron Collider (LHC) at CERN (Geneva). It comprises a calorimeter system composed of four subdetectors: a Scintillating Pad Detector (SPD) and a Pre-Shower detector (PS) in front of an electromagnetic calorimeter (ECAL) which is followed by a hadron calorimeter (HCAL). They are used to select transverse energy hadron, electron and photon candidates for the first trigger level and they provides the identification of electrons, photons and hadrons as well as the measurement of their energies and positions. The calorimeter has been pre-calibrated before its installation in the pit. The calibration techniques have been tested with data taken in 2010 and used regularly during run 1. For run 2, new calibration methods have been devised to follow and correct online the calorimeter detector response. The design and construction characteristics of the LHCb calorimeter will be recalled. Strategies for...

  3. Silicon photomultipliers. Properties and applications in a highly granular calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Feege, Nils

    2008-12-15

    Silicon Photomultipliers (SiPMs) are novel semiconductor-based photodetectors operated in Geiger mode. Their response is not linear, and both their gain and their photon detection efficiency depend on the applied bias voltage and on temperature. The CALICE collaboration investigates several technology options for highly granular calorimeters for the future ILC. The prototype of a scintillator-steel sampling calorimeter with analogue readout for hadrons constructed at DESY and successfully operated in testbeam experiments at DESY, CERN and FNAL by this collaboration is the first large scale application for 7608 SiPMs developed by MEPhI. This thesis deals with properties of the SiPMs used in the calorimeter prototype. The effective numer of pixels of the SiPMs, which influences their saturation behaviour, is extracted from in situ measurements and compared to results obtained for the bare SiPMs. In addition, the effects of temperature and voltage changes on the parameters necessary for the calibration of the SiPMs and the detector are determined. Methods which allow for correcting or compensating these effects are evaluated. An approach to improve the absolute calibration of the temperature sensors in the prototype is described and temperature profiles are studied. Finally, a procedure to adjust the light yield of the cells of the prototype is presented. The results of the application of this procedure during the commissioning of the detector at FNAL are discussed. (orig.)

  4. Quality Factor for the Hadronic Calorimeter in High Luminosity Conditions

    CERN Document Server

    Seixas, Jose; The ATLAS collaboration; Manhaes de Andrade Filho, Luciano; Sotto-Maior-Peralva, Bernardo

    2015-01-01

    The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS experiment and has about 10,000 eletronic channels. An Optimal Filter (OF) has been used to estimate the energy sampled by the calorimeter and applies a Quality Factor (QF) for signal acceptance. An approach using Matched Filter (MF) has also been pursued. In order to cope with the luminosity rising foreseen for LHC operation upgrade, different algorithms have been developed. Currently, the OF measure for signal acceptance is implemented through a chi-square test. At a low luminosity scenario, such QF measure has been used as a way to describe how the acquired signal is compatible to the pulse shape pattern. However, at high-luminosity conditions, due to pile up, this QF acceptance is no longer possible when OF is employed, and the QF becomes a measure to indicate whether the reconstructed signal suffers or not from pile up. Methods are being developed in order to recover the superposed information, and the QF may be us...

  5. The CDF calorimeter upgrade for RunIIb

    CERN Document Server

    Huston, J; Kuhlmann, S; Lami, S; Miller, R; Paoletti, R; Turini, N; Ukegawa, F

    2004-01-01

    The physics program at the Fermilab Tevatron Collider will continue to explore the high energy elementary particle physics until the LHC commissioning. The upgrade of the CDF calorimeter opens a new window for improving the jet energy resolution, important in finding various signals such as Higgs by correcting the energy loss in the dead material and adding information in the jet algorithms using charged particles. It plays an important role in soft electron tagging of b- jets and photon identification in SUSY. The upgrade of the CDF calorimeter includes: a) the replacement of slow gas detector on the front face of the Central Calorimeter with Preshower (CPR) based on 2cm thick scintillator tiles segmented in eta and Phi and read out by WLS fibers running into a groove on the surface of each tiles. The WLS fibers are placed to clear fibers after leaving the tiles; b) the replacement of the Central Crack Chamber (CCR) with 5mm thick scintillator tiles read with the same technique: To finalize the design parame...

  6. The CMS PbWO4 Electromagnetic Calorimeter

    CERN Document Server

    Lethuillier, M

    2004-01-01

    The electromagnetic calorimeter under construction for the CMS experiment at LHC will be the largest crystal calorimeter ever built. The very fast and precise energy measurement of electrons and photons is based upon 76000 lead tungstate crystals read by avalanche photodiodes (APD) in the central barrel region and vacuum phototriodes (VPT) in the endcap regions. The major challenges to be faced are the ability to operate in a strong magnetic field of 4T and under unprecedented radiation levels, the LHC bunch crossing time of 25 ns, the need for a precise energy measurement over a very large dynamic range, from approximately 50 MeV to more than 1 TeV, and the high reliability required of the full on-board readout chain which will be inaccessible after the start of LHC in 2007. A review of the calorimeter design is given and the current status of the construction is reported. Highlights of results obtained during beam tests are also presented.

  7. Applying fast calorimetry on a spent nuclear fuel calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Liljenfeldt, Henrik [Swedish Nuclear Fuel and Waste Management (Sweden); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Uppsala Univ. (Sweden)

    2015-04-15

    Recently at Los Alamos National Laboratory, sophisticated prediction algorithms have been considered for the use of calorimetry for treaty verification. These algorithms aim to predict the equilibrium temperature based on early data and therefore be able to shorten the measurement time while maintaining good accuracy. The algorithms have been implemented in MATLAB and applied on existing equilibrium measurements from a spent nuclear fuel calorimeter located at the Swedish nuclear fuel interim storage facility. The results show significant improvements in measurement time in the order of 15 to 50 compared to equilibrium measurements, but cannot predict the heat accurately in less time than the currently used temperature increase method can. This Is both due to uncertainties in the calibration of the method as well as identified design features of the calorimeter that limits the usefulness of equilibrium type measurements. The conclusions of these findings are discussed, and suggestions of both improvements of the current calorimeter as well as what to keep in mind in a new design are given.

  8. DIRAC v2 a DIgital Readout Asic for hadronic Calorimeter

    CERN Document Server

    Gaglione, R; Chefdeville, M; Drancourt, C; Vouters, G

    2009-01-01

    DIRAC is a 64 channel mixed-signal readout integrated circuit designed for Micro-Pattern Gaseous Detectors (MICROMEGAS, Gas Electron Multiplier) or Resistive Plate Chambers. These detectors are foreseen as the active part of a digital hadronic calorimeter for a high energy physics experiment at the International Linear Collider. Physic requirements lead to a highly granular hadronic calorimeter with up to thirty million channels with probably only hit information (digital calorimeter). The DIRAC ASIC has been especially designed for these constraints. Each channel of the DIRAC chip is made of a 4 gains charge preamplifier, a DC-servo loop, 3 switched comparators and a digital memory, thus providing additional energy information for a hit. A bulk MICROMEGAS detector with embedded DIRAC v1 ASIC has been built. The tests of this assembly, both in laboratory with X-Rays and in a beam at CERN are presented, demonstrating the feasibility of a bulk MICROMEGAS detector with embedded electronics. The second version of...

  9. An automated flow calorimeter for heat capacity and enthalpy measurements

    Energy Technology Data Exchange (ETDEWEB)

    Sandarusi, J.A.; Yesavage, V.F.

    1988-11-01

    An automated flow calorimeter has been developed for the measurement of heat capacity and latent enthalpies of fluids at elevated temperatures (300-700 K) and pressure (< 30 MPa) with a design accuracy of 0.1%. The method of measurement is the traditional electrical power input flow calorimeter, utilizing a precision metering pump, which eliminates the need for flow-rate monitoring. The calorimeter cell uses a unique concentric coil design with passive metal radiation shields and active guard heaters to minimize heat leakage, eliminate the traditional constant-temperature bath, and facilitate easy component replacement. An additional feature of the instrument is a complete automation system, greatly simplifying operation of the apparatus. A novel multitasking software scheme allows a single microcomputer simultaneously to control all system temperatures, provide continuous monitoring and updates on system status, and log data. Preliminary results for liquid water mean heat capacities show the equipment to be performing satisfactorily, with data accuracies of better than /plus minus/0.3%. Minor equipment modifications and better thermometry are required to reduce systemic errors and to achieve the designed operational range.

  10. The backward end-cap for the PANDA electromagnetic calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Capozza, Luigi; Maas, Frank; Rodriguez Pineiro, David; Valente, Roserio [Helmholtz-Institut Mainz - Johannes Gutenberg-Universitaet Mainz (Germany); GSI Helmholtzzentrum fuer Schwerionenforschung GmbH (Germany); Lin, Dexu; Noll, Oliver [Helmholtz-Institut Mainz - Johannes Gutenberg-Universitaet Mainz (Germany)

    2014-07-01

    The PANDA experiment at the new FAIR facility will cover a broad experimental programme in hadron structure and spectroscopy. As a multipurpose detector, the PANDA spectrometer needs to ensure almost 4π coverage of the scattering solid angle, full and accurate multiple-particle event reconstruction and very good particle identification capabilities. % The electromagnetic calorimeter (EMC) will be a key item for many of these aspects. Particle energies ranging from some MeVs to several GeVs have to be measured with a relative resolution of 1% + 2%/√(E/ GeV). % It will be a homogeneous calorimeter made of PbWO{sub 4} crystals and will be operated at -25 {sup circle} C, in order to improve the scintillation light yield. With the exception of the very forward section, the light will be detected by large area avalanche photodiodes. % The whole calorimeter has been designed in three sections: a forward end-cap, a central barrel and a backward end-cap (BWEC). % In this contribution, a status report on the development of the BWEC is given.

  11. The ATLAS tile calorimeter ROD injector and multiplexer board

    Energy Technology Data Exchange (ETDEWEB)

    Valero, A., E-mail: alberto.valero@cern.c [Instituto de Fisica Corpuscular, Universidad de Valencia-CSIC, Paterna, 46071 Valencia (Spain); Castillo, V.; Ferrer, A. [Instituto de Fisica Corpuscular, Universidad de Valencia-CSIC, Paterna, 46071 Valencia (Spain); Gonzalez, V. [Departamento de Ingenieria electronica, Universidad de Valencia, Burjassot, 46100 Valencia (Spain); Hernandez, Y.; Higon, E. [Instituto de Fisica Corpuscular, Universidad de Valencia-CSIC, Paterna, 46071 Valencia (Spain); Sanchis, E. [Departamento de Ingenieria electronica, Universidad de Valencia, Burjassot, 46100 Valencia (Spain); Solans, C. [Instituto de Fisica Corpuscular, Universidad de Valencia-CSIC, Paterna, 46071 Valencia (Spain); Torres, J. [Departamento de Ingenieria electronica, Universidad de Valencia, Burjassot, 46100 Valencia (Spain); Valls, J.A. [Instituto de Fisica Corpuscular, Universidad de Valencia-CSIC, Paterna, 46071 Valencia (Spain)

    2011-02-11

    The ATLAS Tile Calorimeter is a sampling detector composed by cells made of iron-scintillator tiles. The calorimeter cell signals are digitized in the front-end electronics and transmitted to the Read-Out Drivers (RODs) at the first level trigger rate. The ROD receives triggered data from up to 9856 channels and provides the energy, phase and quality factor of the signals to the second level trigger. The back-end electronics is divided into four partitions containing eight RODs each. Therefore, a total of 32 RODs are used to process and transmit the data of the TileCal detector. In order to emulate the detector signals in the production and commissioning of ROD modules a board called ROD Injector and Multiplexer Board (RIMBO) was designed. In this paper, the RIMBO main functional blocks, PCB design and the different operation modes are described. It is described the crucial role of the board within the TileCal ROD test-bench in order to emulate the front-end electronics during the validation of ROD boards as well as during the evaluation of the ROD signal reconstruction algorithms. Finally, qualification and performance results for the injection operation mode obtained during the Tile Calorimeter ROD production tests are presented.

  12. The Phase II Upgrade of the ATLAS Calorimeter

    CERN Document Server

    Tartarelli, Giuseppe Francesco; The ATLAS collaboration

    2017-01-01

    This presentation will show the status of the upgrade projects of the ATLAS calorimeter system for the high luminosity phase of the LHC (HL-LHC). For the HL-LHC, the instantaneous luminosity is expected to increase up to L ≃ 7.5 × 1034 cm−2 s−1 and the average pile-up up to 200 interactions per bunch crossing. The Liquid Argon (LAr) calorimeter electronics will need to be replaced to cope with these challenging conditions: the expected radiation doses will indeed exceed the qualification range of the current readout system, and the upgraded trigger system will require much longer data storage in the electronics (up to 60 us), that the current system cannot sustain. The status of the R&D of the low-power ASICs (pre-amplifier, shaper, ADC, serializer and transmitters) and of the readout electronics design will be discussed. Moreover, a High Granularity Timing Detector (HGTD) is proposed to be added in front of the LAr calorimeters in the end-cap region (2.4 <|eta|< 4.2) for pile-up mitigation a...

  13. La retribución a la Residencia Anual de los Canónigos en la Iglesia de Toledo (S. XVI

    Directory of Open Access Journals (Sweden)

    Susana Villaluenga de Gracia

    2010-06-01

    Full Text Available Este artículo pretende continuar con el estudio del sistema retributivo del clero catedralicio de Toledo, ahondado esta vez en el vestuario de los canónigos.En la catedral de Toledo, al igual que en otras catedrales, una parte de las rentas eclesiásticas se destinaba al clero catedralicio para cubrir el alimento (refitor y el vestido (vestuario. El primero concernía a la consunción y el segundo a la perfección.El vestuario era la principal renta que recibía un canónigo de la Iglesia de Toledo, haciéndolo en orden a la dignidad conferida. Procedía de los diezmos de pan y vino que se recogían en el arzobispado y remuneraba la residencia anual. Se complementaba con otros recursos como las rentas procedentes del préstamo de Baza y el de Hita.The purpose of this paper is to continue studying the compensation system cathedral clergy of Toledo in the sixteenth century, this time on the vestuario of the canons.In this cathedral, as in one other, a part of the income was allocated to the cathedral clergy to cover the food (refitor and clothing (vestuario. The first one was concerning the consumption and the second one to the perfection.The vestuario was the main income that was receiving a canon of the Church of Toledo, so in order to dignity conferred. It was coming from the tithes of wheat and wine which were collected in the archbishopric of Toledo. Each canon received, together with income from refitor, the vestuario as an incentive for annual residency, along with other additional income from various loans as of Baza and de Hita.

  14. Conversos toledanos en un espacio de poder, la catedral Primada. Don Francisco Álvarez de Toledo canónigo y mecenas (ss. XV-XVI

    Directory of Open Access Journals (Sweden)

    Laura Canabal Rodríguez

    2013-11-01

    Full Text Available El artículo analiza las actividades del maestrescuela de la catedral Primada, canónigo converso en el bajomedievo y etapa moderna. El autor examina el poder e influencia de Don Francisco Álvarez de Toledo en el cabildo catedral y de sus hermanos en el cabildo de regiones, además de su mecenazgo en la fundación del Colegio de Santa Catalina, futura universidad de Toledo, y en dos comunidades de vida regular. Su actitud y actuaciones le llevaron a vivir momentos importantes en la historia de la ciudad castellana: enfrentamientos entre cristianos viejos y conversos, los problemas económicos, entre la Corona y la Iglesia, el subsidio o la rebelión de las Comunidades. La figura de este canónigo y su linaje son un buen ejemplo de la situación entre cristianos viejos y cristianos nuevos. Significativa contribución a Toledo, su ciudad, y la historia castellana.This article analyzes the activities of «maestrescuela» in the Cathedral Primada, «canónigo converso» in late medievaland early-modern. The autor examines the pover and influence of Don Francisco Álvarez de Toledo y Zapata «chapter cathedral» and, his brothers in «chapter of regidores»; furthermore his patronage in the fundation of Colege of Santa Catalina, future University of Toledo, and two monasteries. His pose and support during important situations of Castile history: confrontation betwee nconversos and «cristianos viejos», economic problems between Crown and Catholic Church, «subsidio» or Comunidades. The figure of this canon and his linaje are a good example of situation among «cristianos viejos» and «cristianos nuevos». A significant contribution to Toledo, his city, and Castile history.

  15. Test system for the production of the ATLAS Tile Calorimeter front- end electronics

    CERN Document Server

    Calvet, D

    2004-01-01

    The Atlas hadronic Tile Calorimeter front-end electronics is fully included in the so-called "super-drawers". The 256 super-drawers needed for the entire calorimeter are assembled and extensively tested in Clermont-Ferrand before being sent to CERN to be inserted in the calorimeter modules. A mobile system has been developed to perform a complete test of the super-drawers during their insertion.

  16. Application of calorimeters for 5 MeV EB and bremsstrahlung dosimetry

    DEFF Research Database (Denmark)

    Sato, T.; Takahashi, T.; Saito, T.

    1993-01-01

    Graphite and water calorimeters, which were developed for use a 10 MeV electron beams (EB) at Riso National Laboratory, were used for process validation and routine dosimeter calibration at a 5 MeV EB. Water calorimeters were used for reference measurements for 5 MeV EB, the response was found...... at 5 MeV EB. Graphite calorimeters gave reproducible readings within 3.3 % relative errors (95 % confidence level) for X-ray measurement....

  17. The prevalence of frailty syndrome in an older population from Spain. The Toledo Study for Healthy Aging.

    Science.gov (United States)

    Garcia-Garcia, F J; Gutierrez Avila, G; Alfaro-Acha, A; Amor Andres, M S; De Los Angeles De La Torre Lanza, M; Escribano Aparicio, M V; Humanes Aparicio, S; Larrion Zugasti, J L; Gomez-Serranillo Reus, M; Rodriguez-Artalejo, F; Rodriguez-Manas, L

    2011-12-01

    To assess the prevalence of the frailty syndrome and its associated variables among the older adult population in the province of Toledo (Spain). Data were taken from the Toledo Study for Healthy Aging, a population-based study conducted on 2,488 individuals aged 65 years and older. Study participants were selected by a two-stage random sampling from the municipal census of Toledo, covering both institutionalized and community dwelling persons from rural and urban settings. Data were collected from 2006 to 2009, and included information on social support, activities of daily living, comorbidity, physical activity, quality of life, depressive symptoms, and cognitive function. In addition, a nurse collected anthropometric data, conducted tests of physical performance (walk speed, upper and lower extremities strength, and the stand-and-sit from a chair test) and obtained a blood sample. The diagnosis of the frailty syndrome was based on the Fried criteria (weakness, low speed, low physical activity, exhaustion, and weight loss). In total, 41.8% (95% confidence interval [CI] 39.4-44.2%) of the study participants were prefrail, and 8.4% (95% CI 7.1-9.8%) were frail. There were no differences in the prevalence of frailty by sex, level of education, occupation, marital status, or place of residence. The frequency of the frailty syndrome increased with age, and was higher in those with disability, depression, hip fracture and other comorbidity, such as cardiovascular disease and disorders of the central nervous system. The prevalence of the frailty syndrome in older Spanish adults is high and similar to that reported in other populations in the Mediterranean basin.

  18. A Phase 1 Study of 4 Live, Recombinant Human Cytomegalovirus Towne/Toledo Chimera Vaccines in Cytomegalovirus-Seronegative Men.

    Science.gov (United States)

    Adler, Stuart P; Manganello, Anne-Marie; Lee, Ronzo; McVoy, Michael A; Nixon, Daniel E; Plotkin, Stanley; Mocarski, Edward; Cox, Josephine H; Fast, Patricia E; Nesterenko, Pavlo A; Murray, Susan E; Hill, Ann B; Kemble, George

    2016-11-01

     Human cytomegalovirus (HCMV) infection causes disease in newborns and transplant recipients. A HCMV vaccine (Towne) protects transplant recipients.  The genomes of Towne and the nonattenuated Toledo strain were recombined, yielding 4 Towne/Toledo chimera vaccines. Each of 36 HCMV-seronegative men received 1 subcutaneous dose of 10, 100, or 1000 plaque-forming units (PFU) in cohorts of 3. Safety and immunogenicity were evaluated over 12 weeks after immunization and for 52 weeks for those who seroconverted.  There were no serious local or systemic reactions. No subject had HCMV in urine or saliva. For chimera 3, none of 9 subjects seroconverted. For chimera 1, 1 of 9 seroconverted (the seroconverter received 100 PFU). For chimera 2, 3 subjects seroconverted (1 received 100 PFU, and 2 received 1000 PFU). For chimera 4, 7 subjects seroconverted (1 received 10 PFU, 3 received 100 PFU, and 3 received 1000 PFU). All 11 seroconverters developed low but detectable levels of neutralizing activity. CD4+ T-cell responses were detectable in 1 subject (who received 100 PFU of chimera 4). Seven subjects receiving chimera 2 or 4 had detectable CD8+ T-cell responses to IE1; 3 responded to 1-2 additional antigens.  The Towne/Toledo chimera vaccine candidates were well tolerated and were not excreted. Additional human trials of chimeras 2 and 4 are appropriate.  NCT01195571. © The Author 2016. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail journals.permissions@oup.com.

  19. EL PLAN DIRECTOR DE LA VEGA BAJA DE TOLEDO, ESPAÑA: PAISAJE PATRIMONIAL, ECOLÓGICO Y URBANO.

    Directory of Open Access Journals (Sweden)

    AGUSTÍN HERNÁNDEZ AJA

    2014-01-01

    Full Text Available La Vega Baja de Toledo constituye un gran vacío urbano que, por avatares históricos, se ha mantenido al margen del crecimiento de la ciudad, rodeada por el casco histórico de Toledo, los barrios del ensanche norte y el río Tajo. Su localización privilegiada, junto a la riqueza patrimonial y ecológica del espacio, han sido las bases de la propuesta del Plan Director de la Vega Baja (PDVB. El objetivo del PDVB ha sido articular este vacío y abrirlo a la población, a la vez que proteger y regenerar sus valores ecológicos y culturales. Para ello ha sido necesario integrar distintos elementos: la fachada urbana de Toledo, el río Tajo con su vegetación de ribera y sus bienes patrimoniales que testimonian la sucesión de aprovechamientos históricos, y como cuerpo central del ámbito, el yacimiento arqueológico de lo que puede ser una gran ciudad visigoda. El planteamiento general del PDVB ha sido tratar el espacio como un continuo abierto, una sucesión de paisajes con su propio carácter, que alberguen distintos usos y funciones: Desde el jardín clásico que rodearía al circo romano, llegando hasta el río, con una vegetación, mobiliario y recorridos acordes con las ruinas existentes; pasando por el jardín patrimonial del yacimiento, para el que se proponen plantaciones e itinerarios efímeros que cambien a la par que avanzan las excavaciones; hasta el paisaje más puramente agrícola del vivero o paisaje de ribera, de gran valor ecológico en relación con la fauna aviar.

  20. Remote sensing survey of Chinese tallow tree in the Toledo Bend Reservoir area, Louisiana and Texas

    Science.gov (United States)

    Ramsey, Elijah W.; Rangoonwala, Amina; Bannister, Terri; Suzuoki, Yukihiro

    2013-01-01

    We applied Hyperion sensor satellite data acquired by the National Aeronautics and Space Administration’s Earth Observing-1 (EO-1) satellite in conjunction with reconnaissance surveys to map the occurrences of the invasive Chinese tallow tree (Triadica sebifera) in the Toledo Bend Reservoir study area of northwestern Louisiana and northeastern Texas. The rationale for application of high spectral resolution EO-1 Hyperion data was based on the successful use of Hyperion data in the mapping of Chinese tallow tree in southwestern Louisiana in 2005. In contrast to the single Hyperion image used in the 2005 project, more than 20 EO-1 Hyperion and Advanced Land Imager (ALI) images of the study area were collected in 2009 and 2010 during the fall senescence when Chinese tallow tree leaves turn red. Atmospherically corrected reflectance spectra of Hyperion imagery collected at ground and aerial observation locations provided the input datasets used in the program for spectral discrimination analysis. Discrimination analysis was used to identify spectral indicator sets to best explain variance contained in the input databases. The expectation was that at least one set of Hyperion-based indicator spectra would uniquely identify occurrences of red-leaf Chinese tallow tree; however, no combination of Hyperion-based reflectance datasets produced a unique identifier. The inability to discover a unique spectral indicator resulted primarily from relatively sparse coverage by red-leaf Chinese tallow tree within the study area (percentage of coverage was less than 5 percent per 30- by 30-meter Hyperion pixel). To enhance the performance of the spectral discrimination analysis, leaf and canopy spectra of Chinese tallow tree were added to the input datasets to guide the indicator selection. In addition, input databases were segregated by land class obtained from an ALI-based landcover classification in order to reduce the input variance and to promote spectral discrimination of red

  1. The Standardization of Frailty Phenotype Criteria Improves Its Predictive Ability: The Toledo Study for Healthy Aging.

    Science.gov (United States)

    Alonso Bouzón, Cristina; Carnicero, Jose Antonio; Turín, Jimmy Gonzáles; García-García, Francisco J; Esteban, Andrés; Rodríguez-Mañas, Leocadio

    2017-05-01

    Several studies have assessed the performance of the original frailty phenotype criteria (FPC) and the standardized version according to the characteristics of the population. No studies exist, however, evaluating the impact of this standardization on its predictive ability. To compare how the original FPC and the standardized-frailty phenotype criteria (S-FPC) estimate the prevalence of frailty and their ability to predict mortality, hospitalization, incident disability, and falls. Data were taken from the Toledo Study for Healthy Aging, a population-based, community-dwelling study conducted on 1645 individuals over 65. Frailty was operationalized in two ways: FPC, using the cut-off estimated in the Cardiovascular Health Study and S-FPC, using cut-off points fitted to the phenotypic characteristics of our study sample. Frailty prevalences were compared using chi-square statistic. Cox proportional hazard models and logistic regressions evaluated the predictive ability of both tools. Lastly, survival tests were applied. Frailty and prefrailty prevalences varied according to the tool used: 24.12% and 66.40%, respectively when we used FPC and 6.68% and 47.81% when we used S-FPC (P < .01). Regarding their predictive ability, S-FPC, but not FPC, identified consistently the prefrail persons as an intermediate risk group between robust and frail people [death 1.57 (1.15-2.16); hospitalization 1.47 (1.16-1.85); and incident disability 1.96 (1.30-2.97); P < .005]. Furthermore S-FPC predicted death and hospitalization at shorter times than FPC (P < .05). FPC should be standardized according to the characteristics of the population in order to improve its predictive ability. Copyright © 2016 AMDA – The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved.

  2. Cognitive Performance across 3 Frailty Phenotypes: Toledo Study for Healthy Aging.

    Science.gov (United States)

    Rosado-Artalejo, Cristina; Carnicero, Jose Antonio; Losa-Reyna, Jose; Guadalupe-Grau, Amelia; Castillo-Gallego, Carmen; Gutierrez-Avila, Gonzalo; Alfaro-Acha, Ana; Rodríguez-Artalejo, Fernando; Rodríguez-Mañas, Leocadio; García-García, Francisco José

    2017-09-01

    Frailty is a strong predictor of adverse health events, but its impact on cognitive function is poorly understood. To assess cognitive performance in frailty and to identify the frailty stage where cognitive impairment begins. Data were taken from 2044 people aged ≥65 years without cognitive impairment selected from the Toledo Study for Healthy Aging, a population-based cohort of older adults. Frailty status was assessed by 3 different scales: Frailty Phenotype (FP), Frailty Trait Scale (FTS), and Frailty Index (FI). Neuropsychological assessments of different cognitive domains included the Mini-Mental State Examination, Short and Long-Term Memory Recalling Test, the Boston Naming Test, Verbal Fluency Test, Digit Span Forward, Go/No-go Test, Luria Orders Test, Clock Drawing Test, and Serial Word Learning Test. The relationships between the score of the scales and frailty status (robust, prefrail, and frail for FP and quartiles for FTS and FI) were analyzed using multivariate linear regression models including age, sex, and educative level as possible confounders. Participants classified as the worst degree of frailty (frail in FP and fourth quartile of FTS and FI) presented more cognitive domains affected and to a higher extent than moderate frail (prefrail and second quartile and third quartile of FTS and FI) and robust (and first quartile of FTS and FI) participants. Cognitive performance progressively declined across the frailty state, regardless of the instrument used to assess frailty. In prefrail participants, cognitive impairment may be an early marker of frailty-dependent cerebral involvement and could be already subject to interventions aimed at reducing the transition to frailty. Copyright © 2017 AMDA – The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved.

  3. Renovación del Pacto de Toledo: la pensión de jubilación

    OpenAIRE

    Regales Saiz, Julia

    2012-01-01

    El Sistema de Seguridad Social constituye un pilar fundamental en nuestra sociedad, gracias a él se ha consolidado en gran parte el Estado del Bienestar. Con la institucionalización del Pacto de Toledo se llegó al el consenso de todos los agentes políticos en cuanto a la materia de Seguridad Social, con el objetivo de cooperar en un ámbito de diálogo permanente para la consecución del mantenimiento y mejora del Sistema Público de Pensiones, y con él garantizar la asistencia y l...

  4. La Primera Muestra de Contabilidad por Partida Doble en la Catedral de Toledo. El Manual y Mayor del Racionero Gutierre Hurtado (1535-1536

    Directory of Open Access Journals (Sweden)

    Susana Villaluenga de Gracia

    2005-06-01

    Full Text Available En la línea de las investigaciones desarrolladas sobre la contabilidad de las instituciones eclesiásticas en España, este trabajo estudia la que en el siglo XVI fue considerada la sede más rica de la Cristiandad después de Roma, la Catedral de Toledo. Su elevado estatus pudo ser una cuestión significativa para influir en el proceso de desarrollo de su sistema de gestión y en la adopción de prácticas contables novedosas. Además, dentro de la catedral existían beneficiados con aptitudes para dar solución a cualquier cuestión económica. Más concretamente, uno de ellos, el racionero Gutierre Hurtado, fue el autor de la primera muestra de contabilidad por partida doble en la catedral de Toledo y la primera muestra conocida, hoy por hoy, en el mundo para una entidad eclesiástica. En este trabajo se muestran algunos fragmentos sobre su vida y cometido; y los aspectos generales y especiales que caracterizan el método contable usado por este racionero. Para ello, examinaremos los documentos que se conservan en el Archivo de la Catedral de Toledo Palabras clave: Contabilidad eclesiástica, partida doble, catedral de Toledo.Through an approach close to the research of the studies on accounting of the religious organizations in Spain, this paper intends to study an entity that was considered the richest see of Christendom after Rome in the 16th century, the Cathedral of Toledo. Its highest level could possibly have been a significant element in the development of sophisticated management and accounting practices in this church. In addition, acting at the cathedral of Toledo, there were men who were capable to manage any economic question. More specifically, one of these prebendaries, Gutierre Hurtado, was the author of the first accounting demonstration for double entry in the cathedral of Toledo and the first one that is known, at the present time, in a religious organization on the world. This paper will show some features of all what we

  5. Hadron calorimeter with MAPD readout in the NA61/SHINE experiment

    CERN Document Server

    Ivashkin, A; Asfandiyarov, R; Bravar, A; Blondel, A; Dominik, W; Fodor, Z; Gazdzicki, M; Golubeva, M; Guber, F; Hasler, A; Korzenev, A; Kuleshov, S; Kurepin, A; Laszlo, A; Marin, V; Musienko, Yu; Petukhov, O; Röhrich, D; Sadovsky, A; Sadygov, Z; Tolyhi, T; Zerrouk, F

    2012-01-01

    The modular hadron calorimeter with micro-pixel avalanche photodiodes readout for the NA61/SHINE experiment at the CERN SPS is presented. The calorimeter consists of 44 independent modules with lead-scintillator sandwich structure. The light from the scintillator tiles is captured by and transported with WLS-fibers embedded in scintillator grooves. The construction provides a longitudinal segmentation of the module in 10 sections with independent MAPD readout. MAPDs with pixel density of $~10^{4}$/mm$^2$ ensure good linearity of calorimeter response in a wide dynamical range. The performance of the calorimeter prototype in a beam test is reported.

  6. SUITABILITY OF A NEW CALORIMETER FOR EXOTIC MESON SEARCHES

    Energy Technology Data Exchange (ETDEWEB)

    Bookwalter, C.; Ostrovidov, A.; Eugenio, P.

    2007-01-01

    Exotic mesons, particles that have quantum numbers that are inaccessible to conventional quark-model mesons, are predicted by quantum chromodynamics (QCD), but past experiments seeking to identify exotic candidates have produced controversial results. The HyCLAS experiment (E04005) at Thomas Jefferson National Accelerator Facility (TJNAF) proposes the use of the Continuous Electron Beam Accelerator Facility (CEBAF) Large Acceptance Spectrometer (CLAS) in Hall B to study the photoproduction of exotic mesons. However, the base detector package at CLAS is not ideal for observing and measuring neutral particles, particularly at forward angles. The Deeply Virtual Compton Scattering (DVCS) experiment at TJNAF has commissioned a new calorimeter for detecting small-angle photons, but studies must be performed to determine its suitability for a meson spectroscopy experiment. The ηπ system has been under especial scrutiny in the community as a source for potential exotics, so the new calorimeter’s ability at reconstructing these resonances must be evaluated. To achieve this, the invariant mass of showers in the calorimeter are reconstructed. Also, two electroproduction reaction channels analogous to photoproduction channels of interest to HyCLAS are examined in DVCS data. It is found that, while not ideal, the new calorimeter will allow access to additional reaction channels, and its inclusion in HyCLAS is warranted. Results in basic shower reconstruction show that the calorimeter has good effi ciency in resolving π° decays, but its η reconstruction is not as strong. When examining ep → epπ°η, preliminary reconstruction of the ηπ° system shows faint signals in the a0(980) region. In the ep → e n π+ η channel, preliminary reconstruction of the ηπ+ system gave good signals in the a0(980) and a2(1320) regions, but statistics were poor. While more analyses are necessary to improve statistics and remove background, these preliminary results support the claim

  7. Los arzobispos de Toledo en su concepto testamentario de la muerte (1085-1517 = The Archbishops of Toledo and Their Concept of Death through Their Wills (1085-1517

    Directory of Open Access Journals (Sweden)

    Carmen Concepción Gil Ortega

    2014-06-01

    Full Text Available El presente artículo tiene como finalidad analizar las creencias y actitudes de los arzobispos de Toledo ante la Muerte y ante su propia muerte. Para ello tomaremos como base las escasas manifestaciones de sus últimas voluntades que han llegado hasta nosotros desde la Edad Media, lo que no significa que en su época no existiesen. Aún así, tras el estudio de las pocas fuentes disponibles, intentamos hacer un esbozo de la mentalidad, no sólo eclesiástica sino, también y fundamentalmente, de los tiempos y la sociedad en los que vivieron y murieron como grandes magnates políticos y como los principales prelados de todos los reinos hispanos.The aim of this study is to analyze the beliefs and attitudes of the archbishops of Toledo concerning the concept of death in general and that of their own death in particular. We will examine the rare instances in which we find extant medieval records of inheritance and their wills (which is not to say many more did not exist originally. Following the analysis of the few existing records, we will attempt to outline the mentality prevalent not just in ecclesiastical circles, but also in society in general at the moment in which these individuals lived and died as powerful political magnates and the main prelates of the Hispanic kingdoms.

  8. Rebuilding Toledo: The intertextuality as a composition factor in the poem “Toledo”, by Murilo Mendes

    Directory of Open Access Journals (Sweden)

    Nathália Macri Nahas

    2013-06-01

    Full Text Available This article analyzes the poem “Toledo”, by Murilo Mendes, published in the book Tempo Espanhol, in 1959, from the notions of intertextuality. The poem presents the connection of Mendes with the architectural elements of the city of Toledo and some writers connected to this place, as Miguel de Cervantes and Lope de Vega, and the Renaissance artist El Greco. This link is created by an intertextual dialogue established by the Brazilian poet in a kind of affective constructions of reminiscences and nostalgia. Inserting the poem cultural elements from Spain, the poet allows communication between your lyrical voice and the other voices introduced by the reference among texts. Besides the past, the writer also builds intertextual relationships among his poetic voice, his context and the influence that the Spanish city of Toledo raises him. From these contacts, emerges the picture of a changing country in a movement of tension between history, culture - the memories - and the necessity of current developments. It also appears the poetic voice’s personal conflict, who observes this conflict between nostalgia and loneliness.

  9. Consumer Behavior in the Choice of Mode of Transport: A Case Study in the Toledo-Madrid Corridor.

    Science.gov (United States)

    Muro-Rodríguez, Ana I; Perez-Jiménez, Israel R; Gutiérrez-Broncano, Santiago

    2017-01-01

    Within the context of the consumption of goods or services the decisions made by individuals involve the choice between a set of discrete alternatives, such as the choice of mode of transport. The methodology for analyzing the consumer behavior are the models of discrete choice based on the Theory of Random Utility. These models are based on the definition of preferences through a utility function that is maximized. These models also denominated of disaggregated demand derived from the decision of a set of individuals, who are formalized by the application of probabilistic models. The objective of this study is to determine the behavior of the consumer in the choice of a service, namely of transport services and in a short-distance corridor, such as Toledo-Madrid. The Toledo-Madrid corridor is characterized by being short distance, with high speed train available within the choice options to get the airport, along with the bus and the car. And where offers of HST and aircraft services can be proposed as complementary modes. By applying disaggregated transport models with revealed preference survey data and declared preferences, one can determine the most important variables involved in the choice and determine the arrangements for payment of individuals. These payment provisions may condition the use of certain transport policies to promote the use of efficient transportation.

  10. Los miembros del Cabildo de la catedral de Toledo durante el arzobispado de Gaspar de Quiroga (1577-1594

    Directory of Open Access Journals (Sweden)

    Pizarro Llorente, Henar

    2010-12-01

    Full Text Available Gaspar de Quiroga was named Archbishop of Toledo after the death of Bartolomé de Carranza. Because of his old age, he was a good candidate for Felipe II, who was preparing Archduke Alberto de Austria as the next archbishop. Quiroga had a good relationship with the cathedral chapter in the period of his prelacy due the knowledge he had about the affairs of the archdiocese and the fact that he had been placing their relatives and protégés in the consistory.

    Gaspar de Quiroga fue nombrado arzobispo de Toledo tras la muerte de Bartolomé de Carranza. Su avanzada edad le convertía en un buen candidato ante Felipe II, que preparaba su sucesión en el archiduque Alberto de Austria. Durante los años de su prelacía, Quiroga mantuvo unas relaciones cordiales con el cabildo catedralicio, que fueron el resultado de su conocimiento de los asuntos del arzobispado y de la introducción en el consistorio de sus protegidos y familiares.

  11. Empreendedorismo Feminino: Um Estudo sobre sua Representatividade no Município de Toledo – Paraná

    Directory of Open Access Journals (Sweden)

    Fernanda Cristina Sanches

    2013-11-01

    Full Text Available A entrada e participação da mulher no mercado de trabalho, bem como seu crescimento profissional, tem tornado o empreendedorismo feminino uma temática do interesse de vários autores. Nesta dinâmica, o objetivo da pesquisa foi colaborar com um maior entendimento sobre a atuação das mulheres enquanto empreendedoras nos setores econômicos de indústria, comércio e serviços. Para tanto, possui como objeto de estudo as empreendedoras do município de Toledo, localizado na Região Oeste do Paraná. Como fonte de coleta de dados empíricos foi utilizado o cadastro de empresas credenciadas na Prefeitura Municipal de Toledo (2010. Os resultados indicaram que no município há uma participação ativa da mulher enquanto empreendedora, com um total de 58% de participação feminina, sendo que o setor com maior destaque é do comércio.DOI: 10.7769/gesec.v4i2.178

  12. Between peace and chaos. Subversive action and pacification measures on the urban elites. Toledo, 1441-1495

    Directory of Open Access Journals (Sweden)

    María José Lop Otín

    2015-08-01

    Full Text Available In the fifteenth century peace, public order and justice depended in Castile on the kings, but these were forced to operate in a consensual manner, seeking the maximum possible support. In this search the cities will erect as the pillars on which to build the frame of a Crown energetic and authoritarian. Local elites, who had in their hands the governments of the cities, eventually became a factor basic in the stability or instability of the kingdom. One of the Castilian cities in which the influence of elites was more visible was Toledo, whose insurgent activity in the fifteenth century could be compared to other famous by factional attitude european cities, such as Ghent and Florence. The social elite of Toledo projections during the reigns of John II, Henry IV and Elisabeth I come from a model in two ways: in their ability to shock people, causing riots and deaths, but also relating to pacification measures in times of calm, in order to promote their own domain, submission of the city to the kings and prosperity of the region.

  13. Consumer Behavior in the Choice of Mode of Transport: A Case Study in the Toledo-Madrid Corridor

    Directory of Open Access Journals (Sweden)

    Ana I. Muro-Rodríguez

    2017-06-01

    Full Text Available Within the context of the consumption of goods or services the decisions made by individuals involve the choice between a set of discrete alternatives, such as the choice of mode of transport. The methodology for analyzing the consumer behavior are the models of discrete choice based on the Theory of Random Utility. These models are based on the definition of preferences through a utility function that is maximized. These models also denominated of disaggregated demand derived from the decision of a set of individuals, who are formalized by the application of probabilistic models. The objective of this study is to determine the behavior of the consumer in the choice of a service, namely of transport services and in a short-distance corridor, such as Toledo-Madrid. The Toledo-Madrid corridor is characterized by being short distance, with high speed train available within the choice options to get the airport, along with the bus and the car. And where offers of HST and aircraft services can be proposed as complementary modes. By applying disaggregated transport models with revealed preference survey data and declared preferences, one can determine the most important variables involved in the choice and determine the arrangements for payment of individuals. These payment provisions may condition the use of certain transport policies to promote the use of efficient transportation.

  14. Response of the D0 calorimeter to cosmic ray muons

    Energy Technology Data Exchange (ETDEWEB)

    Kotcher, Jonathan [New York Univ., NY (United States)

    1992-10-01

    The D0 Detector at the Fermi National Accelerator Laboratory is a large multipurpose detector facility designed for the study of proton-antiproton collision products at the center-of-mass energy of 2 TeV. It consists of an inner tracking volume, hermetic uranium/liquid argon sampling calorimetry, and an outer 47π muon detector. In preparation for our first collider run, the collaboration organized a Cosmic Ray Commissioning Run, which took place from February--May of 1991. This thesis is a detailed study of the response of the central calorimeter to cosmic ray muons as extracted from data collected during this run. We have compared the shapes of the experimentally-obtained pulse height spectra to the Landau prediction for the ionization loss in a continuous thin absorber in the four electromagnetic and four hadronic layers of the calorimeter, and find good agreement after experimental effects are folded in. We have also determined an absolute energy calibration using two independent methods: one which measures the response of the electronics to a known amount of charge injected at the preamplifiers, and one which uses a carry-over of the calibration from a beam test of central calorimeter modules. Both absolute energy conversion factors agree with one another, within their errors. The calibration determined from the test beam carryover, relevant for use with collider physics data, has an error of 2.3%. We believe that, with further study, a final error of ~1% will be achieved. The theory-to-experiment comparison of the peaks (or most probable values) of the muon spectra was used to determine the layer-to-layer consistency of the muon signal. We find that the mean response in the 3 fine hadronic layers is (12 ± 2%) higher than that in the 4 electromagnetic layers. These same comparisons have been used to verify the absolute energy conversion factors. The conversion factors work well for the electromagnetic sections.

  15. [ (REgistro de TRAuma grave de la provincia de TOledo): general view and mortality].

    Science.gov (United States)

    Marina-Martínez, L; Sánchez-Casado, M; Hortiguela-Martin, V; Taberna-Izquierdo, M A; Raigal-Caño, A; Pedrosa-Guerrero, A; Quintana-Díaz, M; Rodríguez-Villar, S; Rodríguez-Villa, S

    2010-01-01

    To analyze the management and progression of the critical trauma patient. A retrospective, descriptive analysis. The ICU in the province of Toledo. All patients with traumatic injury admitted during the 2001-2007 period (7 years). These include the variables at the scene of the accident, pre-hospitalization, during transportation, variables on admission and during development until discharge or death. A total of 1090 trauma patients admitted were included. Of these, 79.5% were male, with an average age of 36.5 years (16% ≥ 65 years). There was a progressive decrease of patients from 2001 (142 patients) to 2007 (133 patients), with 46.9% admissions between May and September. A total of 29.4% did not belong to the health area. The causes were car accident (43.3%), fall from a height/fall (20.8%), motorcycle accident (13.8%), pedestrian being run over (6.6%). There were 2172 injuries; 30.1% had 3 injuries and 8.4% ≥ 4. The most frequently occurring injury was a head injury (33.7%), followed by thoracic trauma (20.2%) and orthopedic trauma (15.6%). 36.4% required surgery on the first day. Average length of stay in the ICU was 10.4+/-13.2 days. Time on mechanical ventilation was 7.3+/-12 days (median 1 day). Fifteen percent died in the ICU. This remains within the multivariable ICU mortality prediction model, including the pre-hospitalization variables: age (OR 1.05; 95% CI: 1.03-1.06), mydriasis (OR 2.6; 95% CI: 1.3-5.3), motor component of the Glascow Coma Score (GCS) (OR 0.7; 95% CI: 0.6-0.8), pre-hospitalization shock (OR 3.2; 95% CI: 1.8-5.5) and Injury Severity Score (ISS) (OR 1.1; 95% CI: 1.05-1.1). The use of multicenter trauma registers gives an overall view of trauma management and helps improve the care. Copyright © 2009 Elsevier España, S.L. y SEMICYUC. All rights reserved.

  16. Religiosidad barroca y sentimientos ante la muerte en el Cabildo catedralicio de Toledo

    Directory of Open Access Journals (Sweden)

    Ramón SÁNCHEZ GONZÁLEZ

    2009-11-01

    Full Text Available RESUMEN: El clero capitular toledano en la Edad Moderna apenas ha sido estudiado, a pesar de su doble condición de élite eclesiástica y de miembro de la Sede Primada de las Españas. Con este trabajo se intenta poner de relieve sus ideas religiosas y sus actitudes ante un hecho tan trascendental en el hombre como es la muerte. Situado en el contexto de la Castilla postridentina y barroca, profundamente impregnada de religiosidad y de una nueva estética puesta a su servicio, se hace un análisis, desde una metodología propia de la historia de las mentalidades, basado fundamentalmente en los testamentos de dignidades, canónigos y racioneros, sobre las cuestiones más relevantes en relación con los acontecimientos que giran en torno a ese último momento, tanto los que tienen que ver con la salvación de su alma —exequias, honras fúnebres, misas, sufragios...— como aquellos otros más profanos que aluden a herederos, auxilio de familiares y deudos o destino de sus bienes.ABSTRAT: The chapter clergy of Toledo in early modern age has scarcely been in spite of its dual status as eclesiastical elite and member of the Primate See of Spain. The present study aims to bring to ligth their reluigious ideas and attitudes to such a transcendental matter for mankind as death. Situated in the context of baroque Castile in the period following the Council of Trent, deeply steeped in religious beliefs and purveyed of new aesthetics, an analysis is made following the methodology characteristic of the history of mentalities, bared fundamentally on the wills of dignataries, canons and prebendaries, of the most relevant questions with regard to the events surrounding the last moment, both those concerned with the saving of the sould —obsequies, last honours, masses, intercession...—, and those pertaining to mose secular aspect —heirs, provision for relatives and the destiny of belongings.

  17. Cost analysis of integrated renal replacement therapy program in the province of Toledo (2012-2013).

    Science.gov (United States)

    Conde Olasagasti, José L; Garcia Diaz, José Eugenio; Carrasco Benitez, Pilar; Mareque Ruiz, Miguel Ángel; Parras Partido, María Pilar; Moreno Alia, Inmaculada; Jimenez Lopez, Laura; Cia Lecumberri, Juan José; Araque, Pilar; Fernandez, María Luisa

    Renal replacement therapy (RRT) is the object of constant analysis in the search for efficiency and sustainability. To calculate the direct cost of healthcare for the prevalent RRT population in the province of Toledo (2012/2013). a) Population: All prevalent patients at some point in RRT in 2012 (669) and in 2013 (682). b) Costs included (€): 1) dialysis procedure; 2) inpatient, outpatient and emergency care, dialysis and non-dialysis related; 3) drug consumption; 4) medical transport. c) Calculation and analysis: The aggregate localized or reconstructed cost of each item was calculated from the individual cost of each patient. Annual cost and cost per patient/year was calculated for the whole RRT and for its subprograms (€). a) Aggregate costs: The total cost of RRT amounted to 15.84 and 15.77 million euros (2012/2013). Dialysis procedures account for 40.2% of the total while the sum of hospital care and drug consumption represents 41.5%. Healthcare for patients on hospital haemodialysis (HHD) and combined haemodialysis (CHD), peritoneal dialysis (PD) and transplant (Tx) accounts for 70.0, 5.0 and 25.0% of the total respectively. b) Patient/year cost: From the number of patients/year provided by each subprogramme, the following values were obtained in 2012/2013: All RRT 26,130/25,379; HHD 49,167/53,289; CHD 44,657/44,971; PD 45,538/51,869 and Tx 10,909/10,984. Our results are consistent with others published, although our patient/year values are slightly higher, probably because they include elements such as outpatient pharmacy, hospital and medical transport cargo. The growing contribution of Tx to the survival of the whole RRT population contains the overall costs and reduces the patient/year cost, making RRT sustainable. Copyright © 2017 Sociedad Española de Nefrología. Published by Elsevier España, S.L.U. All rights reserved.

  18. RESEÑA DE: Ortego Rico, Pablo, Poder financiero y gestión tributaria en Castilla: Los agentes fiscales en Toledo y su reino (1429-1504.

    Directory of Open Access Journals (Sweden)

    Ana María Rivera Medina

    2016-06-01

    Full Text Available RESEÑA DE: Ortego Rico, Pablo, Poder financiero y gestión tributaria en Castilla: Los agentes fiscales en Toledo y su reino (1429-1504. Madrid. Ministerio de Hacienda y Administraciones Públicas, Instituto de Estudios Fiscales, 2015. 609 págs.+cd. isbn: 978-84-8008-383-6.

  19. Un nuevo dato sobre la enajenación de bienes de la Corona : la venta de las Alcabalas de Yegros (Toledo

    Directory of Open Access Journals (Sweden)

    Paulina López Pita

    1989-01-01

    Full Text Available Situada en las proximidades de la villa de Mora (Toledo, se encuentra la dehesa de Yegros la cual desde comienzos del siglo XIII, momento en el que encontramos por vez primera datos específicos sobre ella en las relaciones documentales, pertenecía a la Orden de Santiago.

  20. Evaluation of the Effectiveness of the Integration of a LITEE Case Study for a Freshman Level Mechanical Engineering Course at The University of Toledo

    Science.gov (United States)

    Franchetti, Matthew

    2011-01-01

    The purpose of this paper is to report the findings of the integration of a manufacturing case study to a freshman level mechanical engineering course at The University of Toledo. The approach to integrate this case study into the class was completed via weekly assignments analyzing the case, small group discussion, and weekly group discussion.…

  1. Performance of the ATLAS LAr Calorimeter with Cosmic Muons and LHC Single Beam Data

    CERN Document Server

    MANGEARD, PS

    2009-01-01

    The Liquid Argon (LAr) calorimeter is a key detector component in the ATLAS experiment at the LHC, designed to provide precision measurements of electrons, photons, jets and missing transverse energy. The LAr calorimeter has been installed in the ATLAS cavern and filled with liquid argon since 2006. Cosmic muon data, first triggered via specially developed trigger boards on the LVL1 output of the Tile calorimeter and later with the standard ATLAS LVL1 calorimeter trigger, have been recorded at various stages of commissioning. In Sept 2008, with the first single beams circulating in the LHC ring and a near full readout of the calorimeter, events resulting from beam-gas interactions and beam-collimator splash were recorded. We present here the calorimeter performance study based on these cosmic muon and LHC beam events. With the reconstructed muon minimum ionizing signal in the calorimeter, the uniformity of the barrel electromagnetic calorimeter can be checked. The timing alignment as measured from the data ca...

  2. LHCb: High Voltage system for the LHCb calorimeter detectors at CERN

    CERN Multimedia

    Konoplyannikov, A

    2006-01-01

    All calorimeters are equipped with Hamamatsu photo tubes as devices for light to signal conversion. Eight thousand R7899-20 tubes are used for the electromagnetic and hadronic calorimeters and two hundred 64 channels multi-anode R7600 -00-M64 for Scintillator-Pad/Preshower detectors. Similar photo-detectors are widely used in the Molecular Imaging applications.

  3. Proposal for research and development of a hadron calorimeter for high magnetic fields

    CERN Document Server

    Bayatyan, G L; Margarian, A T; CERN. Geneva. Detector Research and Development Committee

    1994-01-01

    We intend to pursue the R&D necessary to demonstrate that a Cu- scintillator hadron calorimeter can operate reliably and well at the LHC at large pseudorapidities (| eta | 1 lambda) placed after 5-7 lambda, the effect on performance of a high resolution electromagnetic calorimeter, the design of a hermetic mechanical structure, the issues of calibration and monitoring.

  4. Design studies and sensor tests for the beam calorimeter of the ILC detector

    Energy Technology Data Exchange (ETDEWEB)

    Kuznetsova, E.

    2007-03-15

    The International Linear Collider (ILC) is being designed to explore particle physics at the TeV scale. The design of the Very Forward Region of the ILC detector is considered in the presented work. The Beam Calorimeter - one of two electromagnetic calorimeters situated there - is the subject of this thesis. The Beam Calorimeter has to provide a good hermeticity for high energy electrons, positrons and photons down to very low polar angles, serve for fast beam diagnostics and shield the inner part of the detector from backscattered beamstrahlung remnants and synchrotron radiation. As a possible technology for the Beam Calorimeter a diamond-tungsten sandwich calorimeter is considered. Detailed simulation studies are done in order to explore the suitability of the considered design for the Beam Calorimeter objectives. Detection efficiency, energy and angular resolution for electromagnetic showers are studied. At the simulation level the diamondtungsten design is shown to match the requirements on the Beam Calorimeter performance. Studies of polycrystalline chemical vapour deposition (pCVD) diamond as a sensor material for the Beam Calorimeter are done to explore the properties of the material. Results of the measurements performed with pCVD diamond samples produced by different manufacturers are presented. (orig.)

  5. Indirect measurement of the magnetocaloric effect using a novel differential scanning calorimeter with magnetic field

    DEFF Research Database (Denmark)

    Jeppesen, Stinus; Linderoth, Søren; Pryds, Nini

    2008-01-01

    A simple and high-sensitivity differential scanning calorimeter (DSC) unit operating under magnetic field has been built for indirect determination of the magnetocaloric effect. The principle of the measuring unit in the calorimeter is based on Peltier elements as heat flow sensors. The high...

  6. ATLAS Tile Calorimeter extended barrel side C, assembly and installation in the cavern.

    CERN Multimedia

    Nikolai Topilin

    2009-01-01

    These photos belong to the self-published book by Nikolai Topilin "ATLAS Hadron Calorimeter Assembly". The book is a collection of souvenirs from the years of assembly and installation of the Tile Hadron Calorimeter, which extended from November 2002 until May 2006.

  7. ATLAS Tile Calorimeter extended barrel Side A assembly and installation in the cavern.

    CERN Multimedia

    Nikolai Topilin

    2009-01-01

    These photos belong to the self-published book by Nikolai Topilin "ATLAS Hadron Calorimeter Assembly". The book is a collection of souvenirs from the years of assembly and installation of the Tile Hadron Calorimeter, which extended from November 2002 until May 2006.

  8. A simple and inexpensive modulated light calorimeter using an optical fiber light guide

    Science.gov (United States)

    Garfield, N. J.; Howson, M. A.; Overend, N.

    1998-05-01

    A computer controlled ac calorimeter has been constructed which uses a simple and readily available optical fiber and an infrared light-emitting diode as the heat source. The ways in which the calorimeter differs from using halogen lamp heating are discussed.

  9. Drift time measurement in the ATLAS liquid argon electromagnetic calorimeter using cosmic muons

    NARCIS (Netherlands)

    Aad, G.; et al., [Unknown; Bentvelsen, S.; Colijn, A.P.; de Jong, P.; Doxiadis, A.; Garitaonandia, H.; Gosselink, M.; Kayl, M.S.; Koffeman, E.; Lee, H.; Mechnich, J.; Mussche, I.; Ottersbach, J.P.; Rijpstra, M.; Ruckstuhl, N.; Tsiakiris, M.; van der Kraaij, E.; van der Poel, E.; van Kesteren, Z.; van Vulpen, I.; Vermeulen, J.C.; Vreeswijk, M.

    2010-01-01

    The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to assess the intrinsic uniformity of the calorimeter gaps and estimate its impact on the

  10. Particle ID Studies in a Highly Granular Hadron Calorimeter

    CERN Document Server

    Reichelt, Christian Günther

    2013-01-01

    CERN Summer Student Report: Highly granular hadronic calorimeters optimized for the Particle Flow Paradigm are being developed for future linear colliders. A new algorithm for identifying shower starts has been developed for analyses of data from the CALICE tungsten DHCAL prototype. The new algorithm improves the linearity between the reconstructed and generated interaction layers in Monte Carlo simulations, and it is applied as part of the particle identification of muons and pions. Additionally, the effective nuclear interaction length for pions in the DHCAL is estimated by analysing the distribution of interaction layers.

  11. The AFS hadron calorimeter at the CERN ISR

    CERN Document Server

    Botner, O; Fabjan, Christian Wolfgang; Gordon, H; Jeffreys, P; Kesseler, G; Molzon, W R; Oren, Y; Rosselet, L; Schindler, R; Smith, S D; Van der Lans, J; Wang, C J; Willis, W J; Witzeling, W; Woody, C

    1981-01-01

    The hadron calorimeter for the AFS experiment at CERN consists of a fine sampling uranium/copper scintillator sandwich. It is designed for high modularity and will provide azimuthal coverage over 8 sterad. The authors describe the optical readout system, consisting of acrylic scintillator and wavelength shifter plates, and present the performance of test modules with respect to the energy resolution for electrons ( sigma =0.16/ square root E) and hadrons ( sigma =0.36/ square root E), the linearity of response and the ratio of electron to hadron response (e/ pi =1.11). (4 refs).

  12. CMS Hadron Forward Calorimeter Phase I Upgrade Status

    CERN Document Server

    AUTHOR|(CDS)2071924

    2015-01-01

    The Hadron Forward Calorimeter of CMS completed the Long Shutdown 1 part of the Phase I upgrade. Approximately 1800 photomultiplier tubes were replaced with thinner window, higher quantum efficiency, four-anode photomultiplier tubes. The new photomultiplier tubes will provide better light detection performance, a significantly reduced background and unique handles to recover the signal in the presence of background. The upgrade is also associated with new cabling and channel segmentation options. This report will describe the upgrade and the nature of the essential upgrade elements with supporting test results.

  13. Status and Performance of the ALICE/PHOS Electromagnetic Calorimeter

    CERN Document Server

    Ippolitov, Mikhail

    2008-01-01

    The PHOS is a high resolution electromagnetic calorimeter in the ALICE experiment at the LHC. The PHOS is dedicated for measurements of gammas and neutral mesons in a wide dynamic range with high energy and spatial resolutions. The PHOS is subdivided into 5 independent rectangular modules. The module is segmented into 3584 detection channels (64 × 56 matrix). Each channel consists of a 22 × 22 × 180 mm3 lead-tungstate crystal, coupled with 5 × 5 mm2 avalanche photo diode. The first PHOS module was assembled, commissioned and tested with 2 GeV/c electrons at CERN on the T10 PS secondary beam-line.

  14. CMS Level-1 Upgrade Calorimeter Trigger Prototype Development

    CERN Document Server

    Klabbers, Pamela Renee

    2013-01-01

    As the LHC increases luminosity and energy, it will become increasingly difficult to select interesting physics events and remain within the readout bandwidth limitations. An upgrade to the CMS Calorimeter Trigger implementing more complex algorithms is proposed. It utilizes AMC cards with Xilinx FPGAs running in micro-TCA crate with card interconnections via crate backplanes and optical links operating at up to 10 Gbps. Prototype cards with Virtex-6 and Virtex-7 FPGAs have been built and software frameworks for operation and monitoring developed. The physics goals, hardware architectures, and software will be described in this talk. More details can be found in a separate poster at this conference.

  15. ATLAS Tile Calorimeter performance for the phase II upgrade

    CERN Document Server

    Sellapillay, Kevissen

    2017-01-01

    The first part of the internship is focused on trying to assess the performance of the upgraded geometry of the ATLAS Tile Calorimeter. To do this, we use Monte Carlo generated samples for the upgraded geometry and from the current geometry, then we derive the pT response and resolution. The second part of the study is an analysis of the sensitivity of the two different geometries to a new heavy boson that would decay into a top quark pair $Z^{\\prime} \\rightarrow t\\bar{t}$.

  16. Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger

    CERN Document Server

    Kreis, B.; Cavanaugh, R.; Mishra, K.; Rivera, R.; Uplegger, L.; Apanasevich, L.; Zhang, J.; Marrouche, J.; Wardle, N.; Aggleton, R.; Ball, F.; Brooke, J.; Newbold, D.; Paramesvaran, S.; Smith, D.; Baber, M.; Bundock, A.; Citron, M.; Elwood, A.; Hall, G.; Iles, G.; Laner, C.; Penning, B.; Rose, A.; Tapper, A.; Foudas, C.; Beaudette, F.; Cadamuro, L.; Mastrolorenzo, L.; Romanteau, T.; Sauvan, J.B.; Strebler, T.; Zabi, A.; Barbieri, R.; Cali, I.A.; Innocenti, G.M.; Lee, Y.J.; Roland, C.; Wyslouch, B.; Guilbaud, M.; Li, W.; Northup, M.; Tran, B.; Durkin, T.; Harder, K.; Harper, S.; Shepherd-Themistocleous, C.; Thea, A.; Williams, T.; Cepeda, M.; Dasu, S.; Dodd, L.; Forbes, R.; Gorski, T.; Klabbers, P.; Levine, A.; Ojalvo, I.; Ruggles, T.; Smith, N.; Smith, W.; Svetek, A.; Tikalsky, J.; Vicente, M.

    2016-01-21

    The CMS Level-1 calorimeter trigger is being upgraded in two stages to maintain performance as the LHC increases pile-up and instantaneous luminosity in its second run. In the first stage, improved algorithms including event-by-event pile-up corrections are used. New algorithms for heavy ion running have also been developed. In the second stage, higher granularity inputs and a time-multiplexed approach allow for improved position and energy resolution. Data processing in both stages of the upgrade is performed with new, Xilinx Virtex-7 based AMC cards.

  17. Electronic calibration developed for the CMS electromagnetic calorimeter

    CERN Document Server

    Baek, Y W; David, P Y; Ditta, J; Hermel, V; Fouque, N; Mendiburu, J P; Nédélec, P; Peigneux, J P; Poireau, V; Rebecchi, P; Silou, D

    2004-01-01

    An electronic system, designed to provide a relative calibration for the readout of the CMS electromagnetic calorimeter (CMS-ECAL), is described. On request, this system injects a pulse at the input of a predetermined group of preamplifiers with preselected amplitude and a shape identical to the one produced by the photodetectors. Several chips, in DMILL 0.8 mu m technology, have been developed for integration on the front-end electronics. We describe the principle, the testing, the measurement of their precision, and radiation hardness. (6 refs).

  18. ATLAS tile hadronic calorimeter signal reconstruction and performance.

    CERN Document Server

    Nguyen, D; The ATLAS collaboration

    2014-01-01

    We present the signal reconstruction and performance of ATLAS tile hadronic calorimeter (TileCal) using proton-proton collision data. The signal reconstruction algorithms, optimal filter and match filter, are discussed together with their signal reconstruction performances. We demonstrate the effects of increasing LHC pile-up conditions on noise description and signal reconstruction. Furthermore, the average energy deposited in a TileCal cell and the TileCal response to single isolated charged particles are presented. Finally, we discuss the TileCal upgrade plans during LHC shutdowns.

  19. Commissioning of Upgrade Forward Hadron Calorimeters of CMS

    CERN Document Server

    Bilki, Burak

    2016-01-01

    The CMS experiment at the Large Hadron Collider (LHC) at CERN is upgrading the photo-detection and readout system of the forward hadron calorimeter (HF). During Long Shutdown 1, all of the original PMTs were replaced with multi-anode, thin window photomultipliers. At the same time, the back-end readout system was upgraded to micro-TCA readout. Here we report on the experience with commissioning and calibrating the HF front-end as well as the online operational challenges of the micro-TCA system.

  20. Design, Performance, and Calibration of CMS Hadron Endcap Calorimeters

    CERN Document Server

    Baiatian, G; Emeliantchik, Igor; Massolov, V; Shumeiko, Nikolai; Stefanovich, R; Damgov, Jordan; Dimitrov, Lubomir; Genchev, Vladimir; Piperov, Stefan; Vankov, Ivan; Litov, Leander; Bencze, Gyorgy; Laszlo, Andras; Pal, Andras; Vesztergombi, Gyorgy; Zálán, Peter; Fenyvesi, Andras; Bawa, Harinder Singh; Beri, Suman Bala; Bhatnagar, Vipin; Kaur, Manjit; Kohli, Jatinder Mohan; Kumar, Arun; Singh, Jas Bir; Acharya, Bannaje Sripathi; Banerjee, Sunanda; Banerjee, Sudeshna; Chendvankar, Sanjay; Dugad, Shashikant; Kalmani, Suresh Devendrappa; Katta, S; Mazumdar, Kajari; Mondal, Naba Kumar; Nagaraj, P; Patil, Mandakini Ravindra; Reddy, L; Satyanarayana, B; Sharma, Seema; Sudhakar, Katta; Verma, Piyush; Hashemi, Majid; Mohammadi-Najafabadi, M; Paktinat, S; Babich, Kanstantsin; Golutvin, Igor; Kalagin, Vladimir; Kamenev, Alexey; Konoplianikov, V; Kosarev, Ivan; Moissenz, K; Moissenz, P; Oleynik, Danila; Petrosian, A; Rogalev, Evgueni; Semenov, Roman; Sergeyev, S; Shmatov, Sergey; Smirnov, Vitaly; Vishnevskiy, Alexander; Volodko, Anton; Zarubin, Anatoli; Druzhkin, Dmitry; Ivanov, Alexander; Kudinov, Vladimir; Orlov, Alexandre; Smetannikov, Vladimir; Gavrilov, Vladimir; Gershtein, Yuri; Ilyina, N; Kaftanov, Vitali; Kisselevich, I; Kolossov, V; Krokhotin, Andrey; Kuleshov, Sergey; Litvintsev, Dmitri; Ulyanov, A; Safronov, Grigory; Semenov, Sergey; Stolin, Viatcheslav; Demianov, A; Gribushin, Andrey; Kodolova, Olga; Petrushanko, Sergey; Sarycheva, Ludmila; Teplov, V; Vardanyan, Irina; Yershov, A; Abramov, Victor; Goncharov, Petr; Kalinin, Alexey; Khmelnikov, Alexander; Korablev, Andrey; Korneev, Yury; Krinitsyn, Alexander; Kryshkin, V; Lukanin, Vladimir; Pikalov, Vladimir; Ryazanov, Anton; Talov, Vladimir; Turchanovich, L; Volkov, Alexey; Camporesi, Tiziano; de Visser, Theo; Vlassov, E; Aydin, Sezgin; Bakirci, Mustafa Numan; Cerci, Salim; Dumanoglu, Isa; Eskut, Eda; Kayis-Topaksu, A; Koylu, S; Kurt, Pelin; Onengüt, G; Ozkurt, Halil; Polatoz, A; Sogut, Kenan; Topakli, Huseyin; Vergili, Mehmet; Yetkin, Taylan; Cankoc, K; Esendemir, Akif; Gamsizkan, Halil; Güler, M; Ozkan, Cigdem; Sekmen, Sezen; Serin-Zeyrek, M; Sever, Ramazan; Yazgan, Efe; Zeyrek, Mehmet; Deliomeroglu, Mehmet; Gülmez, Erhan; Isiksal, Engin; Kaya, Mithat; Ozkorucuklu, Suat; Levchuk, Leonid; Sorokin, Pavel; Grynev, B; Lyubynskiy, Vadym; Senchyshyn, Vitaliy; Hauptman, John M; Abdullin, Salavat; Elias, John E; Elvira, D; Freeman, Jim; Green, Dan; Los, Serguei; ODell, V; Ronzhin, Anatoly; Suzuki, Ichiro; Vidal, Richard; Whitmore, Juliana; Arcidy, M; Hazen, Eric; Heering, Arjan Hendrix; Lawlor, C; Lazic, Dragoslav; Machado, Emanuel; Rohlf, James; Varela, F; Wu, Shouxiang; Baden, Drew; Bard, Robert; Eno, Sarah Catherine; Grassi, Tullio; Jarvis, Chad; Kellogg, Richard G; Kunori, Shuichi; Mans, Jeremy; Skuja, Andris; Podrasky, V; Sanzeni, Christopher; Winn, Dave; Akgun, Ugur; Ayan, S; Duru, Firdevs; Merlo, Jean-Pierre; Mestvirishvili, Alexi; Miller, Michael; Norbeck, Edwin; Olson, Jonathan; Onel, Yasar; Schmidt, Ianos; Akchurin, Nural; Carrell, Kenneth Wayne; Gusum, K; Kim, Heejong; Spezziga, Mario; Thomas, Ray; Wigmans, Richard; Baarmand, Marc M; Mermerkaya, Hamit; Ralich, Robert; Vodopiyanov, Igor; Kramer, Laird; Linn, Stephan; Markowitz, Pete; Cushman, Priscilla; Ma, Yousi; Sherwood, Brian; Cremaldi, Lucien Marcus; Reidy, Jim; Sanders, David A; Karmgard, Daniel John; Ruchti, Randy; Fisher, Wade Cameron; Tully, Christopher; Bodek, Arie; De Barbaro, Pawel; Budd, Howard; Chung, Yeon Sei; Haelen, T; Hagopian, Sharon; Hagopian, Vasken; Johnson, Kurtis F; Barnes, Virgil E; Laasanen, Alvin T

    2008-01-01

    Detailed measurements have been made with the CMS hadron calorimeter endcaps (HE) in response to beams of muons, electrons, and pions. Readout of HE with custom electronics and hybrid photodiodes (HPDs) shows no change of performance compared to readout with commercial electronics and photomultipliers. When combined with lead-tungstenate crystals, an energy resolution of 8\\% is achieved with 300 GeV/c pions. A laser calibration system is used to set the timing and monitor operation of the complete electronics chain. Data taken with radioactive sources in comparison with test beam pions provides an absolute initial calibration of HE to approximately 4\\% to 5\\%.

  1. Mitigation of Anomalous APD Signals in the CMS Electromagnetic Calorimeter

    CERN Document Server

    Theofilatos, Konstantinos

    2012-01-01

    Anomalous, large signals are observed in the barrel region of the CMS electromagnetic calorimeter during pp collisions at the LHC. Laboratory and beam-test studies, as well as Monte Carlo simulations, have been used to understand their origin. They are ascribed to direct energy depositions by particles in the Avalanche Photo-Diodes used for the scintillation light readout. Their properties and rates are summarized. The methods employed to reject these signals in the online trigger selection and in the offline event reconstruction are presented.

  2. The development of vacuum phototriodes for the CMS electromagnetic calorimeter

    CERN Document Server

    Bell, K W; Cockerill, D J A; Flower, P S; Hobson, P R; Imrie, D C; Kennedy, B W; Lintern, A L; Pattison, C A X; Sproston, M; Williams, J H

    2001-01-01

    A new generation of vacuum phototriodes (VPTs) has been developed for application in the end-cap sub-system of the crystal electromagnetic calorimeter (ECAL) for the CMS experiment at the CERN Large Hadron Collider (LHC). These VPTs must operate with high reliability for at least 10 years in an extremely hostile environment. Results are presented from an extensive programme of tests, demonstrating that the required properties of significant gain in a 4 T magnetic field, resistance to ionising radiation, and stable operation with large photocurrents can all be satisfied in a robust, compact, inexpensive device. (12 refs).

  3. The Hadron Calorimeter of the compact muon solenoid (CMS)

    Science.gov (United States)

    Hagopian, Vasken; CMS Collaboration

    1998-02-01

    The Hadron Calorimeter of CMS is about 1,000 tons of copper and scintillator sandwich in a 4 tesla magnetic field. It will be built in three segments, the barrel surrounding the central portion and the two end caps. The scintillators will use a tower structure made of grooved megatiles with wavelength shifting (WLS) fibers imbedded inside the grooves. The coverage extends to η = 3.0 and is hermetic with very few gaps. The 1995 test beam data was taken inside a 3 tesla magnet showed that it will work in a magnetic field, but will require a tail catcher inside the muon system.

  4. ATLAS Level-1 Calorimeter Trigger Upgrade for Phase-I

    CERN Document Server

    Qian, W; The ATLAS collaboration

    2012-01-01

    The ATLAS Level-1 Trigger requires several upgrades to maintain physics sensitivity as the LHC luminosity is raised. One of the most challenging is the electron trigger, with a major development planned for installation in 2018. New on-detector electronics will be installed to digitize electromagnetic calorimetry signals, providing trigger access to shower profile information. The trigger processing will be ATCA-based, with each multi-FPGA module processing ~1 Tbit/s of calorimeter digits within the current 2.5 microseconds Level-1 Trigger latency limit. This paper will address the system architecture and design, and give the status of a current technology demonstrator.

  5. Radiation hardness of WLS fibres for the ATLAS Tile Calorimeter

    CERN Document Server

    David, M; Maio, A

    2007-01-01

    In this document we present the data obtained in the irradiation in a Co-60 source of WLS fibers for the TileCal calorimeter. The optical, mechanical and radiation hardness properties of these fibers were developed in close contact with three producers: Bicron, Kuraray and Pol.Hi.Tech. The results on the degradation of the light output and attenuation length from five irradiations are presented. The fibers were irradiated with a total dose at least 3 times higher than the dose predicted for 10 years of operation of LHC at nominal luminosity.

  6. A detailed study of the performance of the uranium-gas sampling calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Arefiev, A.; Burov, S.; Chumakov, M.; Galaktionov, Yu.; Gordeev, A.; Gorodkov, Yu.; Kamyshkov, Yu.; Klimentov, A.; Koutsenko, V.; Kunin, A.; Malinin, A.; Morgunov, V.; Plyaskin, V.; Pojidaev, V.; Rozhkov, A.; Savin, A.; Shevchenko, S.; Shevchenko, V.; Shmakov, K.; Shoutko, V.; Shumilov, E.; Tarkovsky, E.; Tchoudakov, V.; Vorobiev, I. (Institut Teoreticheskoj i Ehksperimental' noj Fiziki, Moscow (USSR)); Azemoon, T.; Bal, R.; Capell, M.; Goldfarb, S.; Jones, L.W.; Mills, G.B.; Roe, B.P. (Michigan Univ., Ann Arbor (USA)); Chen, H.S.; Lu, Y.S.; Tung, K.L. (Academia Sinica, Beijing (China). Inst. of High Energy Physics); Chen, M.; Ting, S.C.C. (Massachusetts Inst. of Tech., Cambridge (USA)); Gong, Z.F. (CCAST World Lab., Beijing, BJ (China) China Univ. of Science and Technology, Hefei, AH); Lecomte, P.; LeCoultre, P.; Lettry, J.; Lin, Z.R.; Spiess, B. (Eidgenoessische Technische Hochschule, Zurich (Switzerland)); Ulbricht, J. (Paul Scherrer Inst., Wuerenlingen (Switzerland)); L3 Collaboration

    1989-12-20

    Results of experimental studies of the performance of the uranium calorimeter with gas sampling detectors are presented. There is further evidence showing the importance of the contribution of the neutron component of a hadronic shower to the detected signal. The response and the resolution of the uranium calorimeter are measured in the momentum range 0.3-0.6 GeV/c for the different incident particles and different gases that are used in the detectors. For a calorimeter structure with double-gas-detector layers, the correlation between signals from two calorimeters formed by chambers filled with different gas mixtures is measured. The topics that are relevant to the performance of the L3 uranium-gas sampling calorimeter - such as its operation in the magnetic field, the energy dependence of muon response, the uranium noise, as well as the electronics optimization - are discussed. (orig.).

  7. Calibration and Performance of the ATLAS Tile Calorimeter During the LHC Run 2

    CERN Document Server

    Cerda Alberich, Leonor; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) is the hadronic sampling calorimeter of ATLAS experiment at the Large Hadron Collider (LHC). TileCal uses iron absorbers and scintillators as active material and it covers the central region |η| < 1.7. Jointly with the other calorimeters it is designed for measurements of hadrons, jets, tau-particles and missing transverse energy. It also assists in muon identification. TileCal is regularly monitored and calibrated by several different calibration systems: a Cs radioactive source that illuminates the scintillating tiles directly, a laser light system to directly test the PMT response, and a charge injection system (CIS) for the front-end electronics. These calibrations systems, in conjunction with data collected during proton-proton collisions, provide extensive monitoring of the instrument and a means for equalizing the calorimeter response at each stage of the signal propagation. The performance of the calorimeter has been established with cosmic ray muons and the large sa...

  8. Construction of a hadron calorimeter for Jefferson Lab Hall-A Super Bigbite Spectrometer

    Science.gov (United States)

    Mamyan, Vahe

    2015-04-01

    A ``shashlik'' hadron calorimeter is being constructed for the new Super Bigbite Spectrometer in Jefferson Lab Hall-A. The calorimeter will be used in nucleon-coincidence form-factor experiments taking advantage of Jefferson Labs' 12 GeV upgrade. An adiabatic light guide has been developed for the calorimeter based on laser cut acrylic sheets. A prototype module has been built to measure time resolution of the calorimeter for cosmic ray muons as well as to validate the Geant4 simulation. Several innovations in the calorimeter design will be discussed, in particular the choice of the scintillator, wave length shifter and the construction process of the light. The results of prototype tests is compared with Geant4 simulation for cosmic ray muons and prediction of HCal time and special resolution for hadrons in the 2-10 GeV/c momentum range will be presented. SBS COLLABORATION.

  9. Calibration and Performance of the ATLAS Tile Calorimeter During the LHC Run 2

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00221190; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) covers the central part of the ATLAS experiment and provides important information for the reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling hadronic calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by charged particles in tiles is transmitted by wavelength-shifting fibres to photomultipliers, where it is converted to electric pulses and further processed by the on-detector electronics located in the outermost part of the calorimeter. The TileCal calibration system comprises Cesium radioactive sources, laser, charge injection elements and an integrator based readout system. Combined information from all systems allows to monitor and equalize the calorimeter response at each stage of the signal production, from scintillation light to digitisation. The performance of the calorimeter has been established with cosmic ray muons and the large sample of the proton-proton col...

  10. The contribution to the the calibration of LAr calorimeters at the ATLAS Experiment

    CERN Document Server

    Pecsy, Martin; Strizenec, Pavol

    The presented thesis brings various contributions to the testing and validation of the ATLAS detector calorimeter calibration. Since the ATLAS calorimeter is non-compensating, the sophisticated software calibration of the calorimeter response is needed. One of the ATLAS official calibration methods is the local hadron calibration. This method is based on detailed simulations providing information about the true deposited energy in calorimeter. Such calibration consists of several independent steps, starting with the basic electromagnetic scale signal calibration and proceeding to the particle energy calibration. Calibration starts from the topological clusters reconstruction and calibration at EM scale. These clusters are classified as EM or hadronic and the hadronic ones receive weights to correct for the invisible energy deposits of hadrons. To get the final reconstructed energy the out-of-cluster and dead material corrections are applied in next steps. The tests of calorimeter response with the first real ...

  11. Calibration and performance of the ATLAS Tile Calorimeter during the Run 2 of the LHC

    CERN Document Server

    Solovyanov, Oleg; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) is a hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. It is a non-compensating sampling calorimeter comprised of steel and scintillating plastic tiles which are read-out by photomultiplier tubes (PMTs). The TileCal is regularly monitored and calibrated by several different calibration systems: a Cs radioactive source that illuminates the scintillating tiles directly, a laser light system to directly test the PMT response and a charge injection system (CIS) for the front-end electronics. These calibrations systems, in conjunction with data collected during proton-proton collisions, provide extensive monitoring of the instrument and a means for equalising the calorimeter response at each stage of the signal propagation. The performance of the calorimeter and its calibration has been established with cosmic ray muons and the large sample of the proton-proton collisions to study the energy response at the electromagnetic scale, probe of the hadron...

  12. Calibration and Performance of the ATLAS Tile Calorimeter during the LHC Run 2

    CERN Document Server

    Faltova, Jana; The ATLAS collaboration

    2017-01-01

    The Tile Calorimeter (TileCal) covers the central part of the ATLAS experiment and provides important information for the reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. This sampling hadronic calorimeter uses steel plates as absorber and scintillating tiles as active medium. The light produced by charged particles in tiles is transmitted by wavelength-shifting fibres to photomultipliers, where it is converted to electric pulses and further processed by the on-detector electronics located in the outermost part of the calorimeter. The TileCal calibration system comprises Cesium radioactive sources, laser, charge injection elements and an integrator based readout system. Combined information from all systems allows to monitor and equalize the calorimeter response at each stage of the signal production, from scintillation light to digitisation. The performance of the calorimeter is established with the large sample of the proton-proton collisions. Isolated hadrons a...

  13. Cosmic muon tomography of pure cesium iodide calorimeter crystals

    CERN Document Server

    Frlez, E; Assamagan, Ketevi A; Brönnimann, C; Flügel, T; Krause, B; Lawrence, D W; Mzhavia, D A; Pocanic, D; Renker, D; Ritt, S; Slocum, P L; Soic, N; Br"onnimann, Ch.; Fl"ugel, Th.

    2000-01-01

    Scintillation properties of pure CsI crystals used in the shower calorimeter being built for precise determination of the pi+ -> pi0 e+ nu decay rate are reported. Seventy-four individual crystals, polished and wrapped in Teflon foil, were examined in a multiwire drift chamber system specially designed for transmission cosmic muon tomography. Critical elements of the apparatus and reconstruction algorithms enabling measurement of spatial detector optical nonuniformities are described. Results are compared with a Monte Carlo simulation of the light response of an ideal detector. The deduced optical nonuniformity contributions to the FWHM energy resolution of the PIBETA CsI calorimeter for the pi+ -> e+ nu 69.8 MeV positrons and the monoenergetic 70.8 MeV photons were 2.7% and 3.7%, respectively. The upper limit of optical nonuniformity correction to the 69.8 MeV positron low-energy tail between 5 MeV and 55 MeV was +0.2%, as opposed to the +0.3% tail contribution for the photon of the equivalent total energy. ...

  14. Simulation of the CLAS12 Forward Electromagnetic Calorimeter

    Science.gov (United States)

    Musalo, C. J.; Gilfoyle, G. P.; Carbonneau, J.

    2010-11-01

    The primary mission of Jefferson Lab (JLab) is to reveal the quark and gluon structure of nucleons and nuclei and to deepen our understanding of matter and quark confinement. At JLab there is a need for high-performance computing for data analysis and simulations. The precision of many future experiments will be limited by systematic uncertainties and not statistical ones; making accurate simulations vital. A physics-based simulation of a new detector (CLAS12) is currently being developed called gemc. This new program uses the package Geant4 to calculate the interactions of particles with matter in the components of CLAS12. We have added the electromagnetic calorimeter (EC) detector to the gemc simulation. The EC is a sampling electromagnetic calorimeter made up of alternating layers of lead and plastic scintillator used to detect electrons, photons, and neutrons. The mathematical model of the EC geometry was streamlined to make the code more robust. This geometry is stored in a mysql database on a server at JLab and it was modified using Perl scripts. The new geometry was tested by sending straight tracks (no magnetic field) through the edges of specific layers using the geantino, a Geant4 virtual particle that does not interact with materials. Work supported by US Department of Energy contract DE-FG02-96ER40980.

  15. The Mu2e Undoped CsI Crystal Calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Atanov, N.; et al.

    2018-01-07

    The Mu2e experiment at Fermilab will search for Charged Lepton Flavor Violating conversion of a muon to an electron in an atomic field. The Mu2e detector is composed of a tracker, an electromagnetic calorimeter and an external system, surrounding the solenoid, to veto cosmic rays. The calorimeter plays an important role to provide: a) excellent particle identification capabilities; b) a fast trigger filter; c) an easier tracker track reconstruction. Two disks, located downstream of the tracker, contain 674 pure CsI crystals each. Each crystal is read out by two arrays of UV-extended SiPMs. The choice of the crystals and SiPMs has been finalized after a thorough test campaign. A first small scale prototype consisting of 51 crystals and 102 SiPM arrays has been exposed to an electron beam at the BTF (Beam Test Facility) in Frascati. Although the readout electronics were not the final, results show that the current design is able to meet the timing and energy resolution required by the Mu2e experiment.

  16. First data with the ATLAS Level-1 Calorimeter Trigger

    CERN Document Server

    Achenbach, R; Aharrouche, M; Andrei, V; Åsman, B; Barnett, BM; Bauss, B; Bendel, M; Bohm, C; Booth, JRA; Bracinik, J; Brawn, IP; Charlton, DG; Childers, JT; Collins, NC; Curtis, CJ; Davis, AO; Eckweiler, S; Eisenhandler, E F; Faulkner, PJW; Fleckner, J; Föhlisch, F; Gee, CNP; Gillman, AR; Goeringer, C; Groll, M; Hadley, DR; Hanke, P; Hellman, S; Hidvegi, A; Hillier, SJ; Johansen, M; Kluge, E-E; Kühl, T; Landon, M; Lendermann, V; Lilley, JN; Mahboubi, K; Mahout, G; Meier, K; Middleton, RP; Moa, T; Morris, JD; Müller, F; Neusiedl, A; Ohm, C; Oltmann, B; Perera, VJO; Prieur, D; Qian, W; Rieke, S; Rühr, F; Sankey, DPC; Schäfer, U; Schmitt, K; Schultz-Coulon, H-C; Seidler, P; Silverstein, S; Sjölin, J; Staley, RJ; Stamen, R; Stockton, MC; Tan, CLA; Tapprogge, S; Thomas, JP; Thompson, PD; Watkins, PM; Watson, A; Weber, P; Wessels, M; Wildt, M

    2008-01-01

    The ATLAS Level-1 Calorimeter Trigger is one of the main elements of the first stage of event selection for the ATLAS experiment at the LHC. The input stage consists of a mixed analogue/digital component taking trigger sums from the ATLAS calorimeters. The trigger logic is performed in a digital, pipelined system with several stages of processing, largely based on FPGAs, which perform programmable algorithms in parallel with a fixed latency to process about 300 Gbyte/s of input data. The real-time output consists of counts of different types of physics objects, and energy sums. The final system consists of over 300 custom-built VME modules, of several different types. The installation at ATLAS of these modules, and the necessary infrastructure, was completed at the end of 2007. The system has since undergone intensive testing, both in standalone mode, and in conjunction with the whole of the ATLAS detector in combined running. The final steps of commissioning, and experience with running the full-scale system...

  17. New calorimeters for space experiments: physics requirements and technological challenges

    Science.gov (United States)

    Marrocchesi, Pier Simone

    2015-07-01

    Direct measurements of charged cosmic radiation with instruments in Low Earth Orbit (LEO), or flying on balloons above the atmosphere, require the identification of the incident particle, the measurement of its energy and possibly the determination of its sign-of-charge. The latter information can be provided by a magnetic spectrometer together with a measurement of momentum. However, magnetic deflection in space experiments is at present limited to values of the Maximum Detectable Rigidity (MDR) hardly exceeding a few TV. Advanced calorimetric techniques are, at present, the only way to measure charged and neutral radiation at higher energies in the multi-TeV range. Despite their mass limitation, calorimeters may achieve a large geometric factor and provide an adequate proton background rejection factor, taking advantage of a fine granularity and imaging capabilities. In this lecture, after a brief introduction on electromagnetic and hadronic calorimetry, an innovative approach to the design of a space-borne, large acceptance, homogeneous calorimeter for the detection of high energy cosmic rays will be described.

  18. Multi-Anode Photomultplier (MAPMT) readout for High Granularity Calorimeters

    CERN Document Server

    Mkrtchyan, Tigran; The ATLAS collaboration

    2017-01-01

    Hadron calorimeter high performance in jet sub-structure measurements can be achieved for objects with $p_{T}$ greater than 1 TeV if the readout geometry is finely segmented in $\\Delta\\eta \\times \\Delta\\phi$. A feasibility study to increase the readout granularity of TileCal, the central hadron calorimeter of the ATLAS detector, is presented. We show a preliminary study exploring the possibility to increase by a factor 4 the present readout granularity of the inner layer cells of TileCal (0.1->0.025 in $\\Delta\\eta$) and to split into two layers the intermediate section of TileCal. The proposed solution is designed to cope with mechanical and readout bandwidth and power constraints. Assuming that the mechanics of the Tile modules cannot be changed, Multi-Anode PMTs with same boundary geometry of the present single-anode PMTs are considered to readout WLS bers, ideally one per pixel, carrying the signals from the individual scintillating tiles of each detector cells. The discussed challenges of the design are: ...

  19. Cryogenic Tests of the Atlas Liquid Argon Calorimeter

    CERN Document Server

    Fabre, C; Chalifour, M; Gonidec, A; Passardi, Giorgio

    2006-01-01

    The ATLAS liquid argon calorimeter consists of the barrel and two end-cap detectors housed in three independent cryostats filled with a total volume of 78 m3 of liquid argon. During cool-down the temperature differences in the composite structure of the detectors must be kept within strict limits to avoid excessive mechanical stresses and relative displacements. During normal operation the formation of gas bubbles, which are detrimental to the functioning of the detector, must be prevented and temperature gradients of less than 0.7 K across the argon bath are mandatory due to the temperature dependence of the energy measurements. Between April 2004 and May 2005 the barrel (120 t) and one end-cap (219 t) underwent qualification tests at the operating temperature of 87.3 K using a dedicated test facility at ground level. These tests provided a validation of the cooling methods to be adopted in the final underground configuration. In total 6.9 GJ and 15.7 GJ were extracted from the calorimeters and a temperature...

  20. First Wheel of the Hadronic EndCap Calorimeter Completed

    CERN Document Server

    Oram, C.J.

    2002-01-01

    With the LAr calorimeters well advanced in module production, the attention is turning to Batiment 180 where the calorimeter modules are formed into complete detectors and inserted into their respective cryostats. For the Hadronic End Cap (HEC) Group the task in B180 is to assemble the wheels, rotate them into their final orientation, and put them onto the cradle in front of the End Cap Cryostat. These tasks have been completed for the first HEC wheel in the B180 End Cap Clean Room. Given that this wheel weighs 70 tons the group is very relieved to have established that these gymnastics with the wheel proceed in a routine fashion. To assemble a wheel we take modules that have already been cold tested, do the final electrical testing and locate them onto the HEC wheel assembly table. Four wheels are required in total, each consisting of 32 modules. Wheel assembly is done in the horizontal position, creating a doughnut-like object sitting on the HEC table. The first picture shows the last module being added ...

  1. Scintillator calorimeters for a future linear collider experiment

    Energy Technology Data Exchange (ETDEWEB)

    Hartbrich, Oskar

    2016-07-15

    This thesis presents the first analysis of a full calorimeter system based on the scintillator-SiPM technology. In the testbeam campaign at the Fermilab testbeam facility in May 2009, the combined scintillator-SiPM prototype calorimeter system consisting of the CALICE Scintillator Electromagnetic Calorimeter (ScECAL), the CALICE Analogue Hadronic Calorimeter (AHCAL) and the CALICE Tail Catcher and Muon Tracker (TCMT) were operated in particle beams of electrons, pions and muons in the energy range up to 32 GeV. The absorber material and sampling fraction of the ScECAL is different from the AHCAL and TCMT, which complicates the reconstruction of shower energies and potentially impacts the achievable energy resolution of showers extending through the whole calorimeter system. A clean selection of single particle events of a given particle type is obtained using the information from the beam instrumentation installed in the beam line and from the reconstruction of features of the shower topology to identify additional particles entering the detectors. The remaining contaminations are found to be small enough to not significantly bias the results. Possible selection biases on the energy response or resolution are found to be negligible in simulation studies. A detailed validation of the ScECAL model is performed with electromagnetic showers and interactions, ranging from the single cell spectra of MIP particles up to full electromagnetic shower profile and their response and resolution. Adapting the geometry of the ScECAL simulation model can reduce the observed discrepancies, however not within reasonable ranges of modification. The analysis of pion data recorded with the combined scintillator-SiPM system aims to extract the energy resolution for single, contained pion showers, both in comparison to different simulations and to the resolutions obtained from a similar setup without the ScECAL. In the ScECAL the longitudinal shower profile as a function of distance to

  2. Energy Measurement of Hadrons with the CERN ATLAS Calorimeter

    CERN Document Server

    Speckmayer, Peter; Fabjan, Christian Wolfgang

    2008-01-01

    The ATLAS detector is a multi-purpose detector measuring the energy and direction of particles produced in proton-proton collisions at a center of mass energy of 14 TeV provided by the Large Hadron Collider at the European center of particle physics, CERN. The main aim of this thesis is to assess the precision of the present understanding of the interactions of hadrons with matter (as implemented in Monte Carlo (MC) simulations) to describe the response of the ATLAS calorimeter and to predict the correction necessary to measure the full energy of pions. The simulations are compared to testbeam data. The present description of the response of the ATLAS central calorimeter is able to predict the energy corrections, as verified by using testbeam data. For the Combined Testbeam 2004 (CTB) a full slice of the central region of the ATLAS detector including all sub-detectors has been installed in the H8 beam line of the CERN SPS accelerator. Pions and electrons with the energies ranging from 1 to 350 GeV have been m...

  3. A first-level calorimeter trigger for the ATLAS experiment

    CERN Document Server

    Perera, V.; Gee, N; Gillman, A R; Hatley, R; Leake, J W; Quinton, S; Shah, T P; Eisenhandler, Eric F; Landon, M; Brawn, I P; Carney, R E; Garvey, J; Staley, R J; Watson, A T; Ellis, Nick

    1995-01-01

    In the RD27 collaboration the authors have carried out system studies on the implementation of the first level calorimeter trigger processor system for the ATLAS experiment to be mounted at the Large Hadron Collider (LHC) at CERN. A demonstrator trigger system operated successfully with the RD3 and RD33 calorimeters at the full 40 MHz LHC bunch crossing (BC) rate. The prototype application-specific integrated circuits (ASICs) in this system each processed data from only a single trigger cell and its environment, which would lead to an extremely large system for ATLAS. Using eight-bit parallel data even the use of ASICs, processing multiple trigger cells would demand unacceptably large numbers of input pins and module connections. Initial studies of this I/O problem produced a solution based on asynchronous transmission of zero-suppressed and BC-tagged data on 160 Mbit/s serial links. This approach appeared to be feasible but would have introduced additional latency of about 20 BCs. Further studies have led to...

  4. The CMS calorimeter trigger upgrade for the LHC Run II

    CERN Document Server

    Zabi, Alexandre

    2014-01-01

    The CMS experiment implements a sophisticated two-level online selection system that achieves a rejection factor of nearly 10e5. The first level (L1) is based on coarse information coming from the calorimeters and the muon detectors while the High-Level Trigger combines fine-grain information from all sub-detectors. During Run II, the LHC will increase its centre of mass energy up to 13 TeV and progressively reach an instantaneous luminosity of 2e34 cm-2s-1. In order to guarantee a successful and ambitious physics program under this intense environment, the CMS Trigger and Data acquisition system must be consolidated. In particular the L1 calorimeter Trigger hardware and architecture will be modified. The goal is to maintain the current thresholds (e.g., for electrons and photons) and improve the performance for the selection of tau leptons. This can only be achieved by designing an updated trigger architecture based on the recent microTCA technology. Racks can be equipped with fast optical links and latest...

  5. Electronics and triggering challenges for the CMS High Granularity Calorimeter

    CERN Document Server

    Lobanov, Artur

    2017-01-01

    The High Granularity Calorimeter (HGCAL), presently being designed by the CMS collaboration to replace the CMS endcap calorimeters for the High Luminosity phase of LHC, will feature six million channels distributed over 52 longitudinal layers. The requirements for the front-end electronics are extremely challenging, including high dynamic range (0-10 pC), low noise (~2000e- to be able to calibrate on single minimum ionising particles throughout the detector lifetime) and low power consumption (~10mW/channel), as well as the need to select and transmit trigger information with a high granularity. Exploiting the intrinsic precision-timing capabilities of silicon sensors also requires careful design of the front-end electronics as well as the whole system, particularly clock distribution. The harsh radiation environment and requirement to keep the whole detector as dense as possible will require novel solutions to the on-detector electronics layout. Processing all the data from the HGCAL imposes equally large ch...

  6. CsI calorimeter with 3-D position resolution

    CERN Document Server

    Schopper, Herwig Franz; Shaw, H; Nefzger, C; Zoglauer, A; Schönfelder, V; Kanbach, G

    2000-01-01

    New gamma-ray calorimeter have been developed for the MEGA Compton camera. They consist of arrays of small CsI(Tl) scintillator bars read out by Silicon PIN-diodes and low noise, self-triggering frontend electronics. The length of the bars (the thickness of the calorimeter) can be varied for different applications to fit the stopping power needed and the light loss tolerable. In this paper we present calibration results from 2 cm long bars with diodes on one side, and 8 cm long bars with diodes on two opposite sides. Double-sided readout gives 3-D information of interactions which will be used to overcome the limited position resolution in Anger-cameras at high energies. Simpler detection devices like Anger-cameras might finally resolve only the centre of gravity. As events from gamma-rays with energies of MeV do extend over several cm, it is a prerequisite for an imaging device to resolve the interaction structure in detail. Combining CsI(Tl) scintillators, Silicon PIN-photodiodes and frontend electronics in...

  7. Phase1 upgrade of the CMS-HF Calorimeter

    CERN Document Server

    Gulmez, Erhan

    2016-01-01

    In this presentation, results of the Phase I upgrade of the CMS Hadron Forward Calorimeter (HF) are discussed. The CMS-HF Calorimeter was using regular PMTs. Cherenkov light produced in the quartz fibers embedded in the iron absorber was read out with the PMTs. However, occasionally, stray muons hitting the PMT windows cause Cherenkov radiation in the PMT itself and produce large signals. These large signals mimic a very high-energy particle and are tagged as important by the trigger. To reduce this problem, PMTs had to be replaced. The four-anode PMTs that were chosen have thinner windows; thereby reducing the Cherenkov radiation in the PMT window. As part of the upgrade, the read-out electronics is to be replaced so that the PMTs are read out in two channels by connecting each pair of anodes to a single channel. Information provided by these two channels will help us reject the false signals due to the stray muons since the Cherenkov radiation in the PMT window is more likely to produce a signal only in one...

  8. gFEX, the ATLAS Calorimeter Global Feature Extractor

    CERN Document Server

    Takai, Helio; The ATLAS collaboration; Chen, Hucheng

    2015-01-01

    The global feature extractor (gFEX) is a component of the Level-1 Calorimeter trigger Phase-I upgrade for the ATLAS experiment. It is intended to identify patterns of energy associated with the hadronic decays of high momentum Higgs, W, & Z bosons, top quarks, and exotic particles in real time at the LHC crossing rate. The single processor board will be implemented as a fast reconfigurable processor based on four large FPGAs. The board will receive coarse-granularity information from all the ATLAS calorimeters on 264 optical fibers with the data transferred at the 40 MHz LHC clock frequency. The gFEX will be controlled by a single system-on-chip processor, ZYNQ, that will be used to configure FPGAs, monitor board health, and interface to external signals. Although the board is being designed specifically for the ATLAS experiment, it is sufficiently generic that it could be used for fast data processing at other HEP or NP experiments. We will present the design of the gFEX board and discuss how it is being...

  9. Beam Test of the ATLAS Level-1 Calorimeter Trigger System

    CERN Document Server

    Garvey, J; Mahout, G; Moye, T H; Staley, R J; Thomas, J P; Typaldos, D; Watkins, P M; Watson, A; Achenbach, R; Föhlisch, F; Geweniger, C; Hanke, P; Kluge, E E; Mahboubi, K; Meier, K; Meshkov, P; Rühr, F; Schmitt, K; Schultz-Coulon, H C; Ay, C; Bauss, B; Belkin, A; Rieke, S; Schäfer, U; Tapprogge, T; Trefzger, T; Weber, GA; Eisenhandler, E F; Landon, M; Apostologlou, P; Barnett, B M; Brawn, I P; Davis, A O; Edwards, J; Gee, C N P; Gillman, A R; Mirea, A; Perera, V J O; Qian, W; Sankey, D P C; Bohm, C; Hellman, S; Hidvegi, A; Silverstein, S

    2005-01-01

    The Level-1 Calorimter Trigger consists of a Preprocessor (PP), a Cluster Processor (CP), and a Jet/Energy-sum Processor (JEP). The CP and JEP receive digitised trigger-tower data from the Preprocessor and produce Region-of-Interest (RoIs) and trigger multiplicities. The latter are sent in real time to the Central Trigger Processor (CTP) where the Level-1 decision is made. On receipt of a Level-1 Accept, Readout Driver Modules (RODs), provide intermediate results to the data acquisition (DAQ) system for monitoring and diagnostic purpose. RoI information is sent to the RoI builder (RoIB) to help reduce the amount of data required for the Level-2 Trigger The Level-1 Calorimeter Trigger System at the test beam consisted of 1 Preprocessor module, 1 Cluster Processor Module, 1 Jet/Energy Module and 2 Common Merger Modules. Calorimeter energies were sucessfully handled thourghout the chain and trigger object sent to the CTP. Level-1 Accepts were sucessfully produced and used to drive the readout path. Online diagno...

  10. SIGNAL RECONSTRUCTION PERFORMANCE OF THE ATLAS HADRONIC TILE CALORIMETER

    CERN Document Server

    Do Amaral Coutinho, Y; The ATLAS collaboration

    2013-01-01

    "The Tile Calorimeter for the ATLAS experiment at the CERN Large Hadron Collider (LHC) is a sampling calorimeter with steel as absorber and scintillators as active medium. The scintillators are readout by wavelength shifting fibers coupled to photomultiplier tubes (PMT). The analogue signals from the PMTs are amplified, shaped and digitized by sampling the signal every 25 ns. The TileCal front-end electronics allows to read out the signals produced by about 10000 channels measuring energies ranging from ~30 MeV to ~2 TeV. The read-out system is responsible for reconstructing the data in real-time fulfilling the tight time constraint imposed by the ATLAS first level trigger rate (100 kHz). The main component of the read-out system is the Digital Signal Processor (DSP) which, using an Optimal Filtering reconstruction algorithm, allows to compute for each channel the signal amplitude, time and quality factor at the required high rate. Currently the ATLAS detector and the LHC are undergoing an upgrade program tha...

  11. Low-energetic hadron interactions in a highly granular calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Feege, Nils

    2011-12-15

    The CALICE collaboration develops imaging calorimeters for precision measurements at a future electron-positron linear collider. These calorimeters feature a fine granularity in both longitudinal and transverse direction, which is needed to fulfill the shower separation requirement of Particle Flow reconstruction algorithms. CALICE has constructed prototypes for several design options for electromagnetic and hadron calorimeters and has successfully operated these detectors during combined test-beam programs at DESY, CERN, and Fermilab since 2005. The focus of this dissertation is on the prototype for a hadron calorimeter with analog readout (AHCAL), which is a 1m{sup 3} scintillator-steel sampling calorimeter with 38 sensitive layers and a depth of 5.3 nuclear interaction lengths. Each scintillator layer is pieced together from separate tiles with embedded silicon photomultipliers (SiPMs) for measuring the scintillation light. With a total of 7608 readout channels, the AHCAL prototype represents the first large-scale application of SiPMs. This thesis covers the commissioning and operation of the AHCAL and other detectors for several months at the Fermilab Test-beam Facility in 2008 and 2009 and the analysis of electron and pion data collected during these measurements. The analysis covers energies from 1 GeV to 30 GeV and is the first analysis of AHCAL data at energies below 8 GeV. Because the purity of the recorded data is not sufficient for analysis, event selection procedures for electrons and pions at these energies and a method to estimate the purities of these data samples are developed. The calibration of detectors employing SiPMs requires parameters that change with operating voltage and temperature. The correction of these parameters for the effects of temperature variations during data collection and their portability to different operating conditions are evaluated using the AHCAL as an example. This is important for the use of this technology in a

  12. Arte rupestre paleolítico y postpaleolítico al aire libre en los Montes de Toledo occidentales (Toledo, Castilla - La Mancha, España: noticia preliminar

    Directory of Open Access Journals (Sweden)

    Jesús F. JORDÁ PARDO

    2009-12-01

    Full Text Available RESUMEN: Se dan a conocer en este trabajo los grabados y pinturas rupestres localizados recientemente en el extremo occidental de los Montes de Toledo (comarca toledana de La Jara en la vertiente meridional de la Cuenca del Tajo. Una primera zona, situada en el valle del río Huso, se desarrolla al aire libre sobre afloramientos de pizarras y en ella se localizan al menos dos conjuntos rupestres: uno caracterizado por grabados de trazo fino atribuidos al Paleolítico Superior y otro realizado mediante diversas técnicas de grabado con una cronología muy amplia desde la Prehistoria reciente hasta épocas históricas. La segunda zona corresponde al valle del río Gévalo y por el momento corresponde a un único gran abrigo desarrollado en cuarcitas en cuyas paredes aparecen pinturas rojas atribuibles a la Prehistoria reciente sobre las que se superponen grabados de trazo fino y repiqueteado con elementos claramente prehistóricos y otros con un marcado carácter histórico.ABSTRACT: This paper deals with rock art findings recently located on the Western edge of Toledo Mountains at the Southern slope of Tagus Basin. The first finding área, placed in the valley of the Huso River, is an open air rock art site on shale outcrop where two main groups of patterns may be seen: fine - line engravings from Upper Palaeolithic times as well as several motifs using various engraving techniques rahging a wider time span from later prehistoric ages to historical times. The second área lies in the valley of the Gévalo River and is a large quartzite rock shelter containing on his walls red paintings dated on Postpalaeolithic times that placed under engravings made using fine-line and beating techbiques both from prehistórica! and historical ages.

  13. PREFACE: 50 years in science: Alejandro Szanto de Toledo (2045-2015)

    Science.gov (United States)

    2015-07-01

    During the XXXVII RTFNB 2014, we had the pleasure to organize a tribute to Professor Alejandro Szanto de Toledo to commemorate his 50 years of dedication to nuclear physics. Named ''Alexfest'', it gathered friends and very prominent physicists from around the world that came to Brazil specially to render a tribute to Alex, as many friends and colleagues called him. During the whole afternoon, the invited speakers presented some of the physics topics and important contributions that Alex gave to the field of nuclear physics during his five decades of intense work. Alex is the responsible for several landmarks in the Brazilian nuclear science, especially in the Institute of Physics of the University of Sao Paulo (IFUSP), where he spent almost his entire career. He started his professional life in the IFUSP Van de Graaf Laboratory, under Oscar Sala's supervision as an undergraduate student. His talent allowed him to give significant contributions to the machine operation since the beginning of his internship in the laboratory. He soon became the responsible for the development, construction and implementation of an ion source for the new Pelletron accelerator, project coordinated by Oscar Sala as well. This was a huge responsibility for a young master degree student. His PhD thesis was about nuclear fusion, a topic that he mastered during his career. His international reputation allowed him to become a visiting researcher at several laboratories in the US, France, Japan, Russia and Germany. Not satisfied with the challenges that his career was imposing to him, Alex pioneered the creation of a high-energy nuclear physics group in Brazil, becoming member of the STAR (Solenoidal Tracker At Rhic) collaboration in 1995, one of the two major experiments of the RHIC accelerator (Relativistic heavy Ion Collider), located in the Brookhaven National Laboratory, USA. Later on, in 2006, he also led his group to become part of the LHC (Large Hadron Collider) experiment ALICE (A

  14. Introducing Research Methods to Undergraduate Majors Through an On-Campus Observatory with The University of Toledo's Ritter Observatory

    Science.gov (United States)

    Richardson, Noel; Hardegree-Ullman, Kevin; Bjorkman, Jon Eric; Bjorkman, Karen S.; Ritter Observing Team

    2017-01-01

    With a 1-m telescope on the University of Toledo (OH) main campus, we have initiated a grad student-undergraduate partnership to help teach the undergraduates observational methods and introduce them to research through peer mentorship. For the last 3 years, we have trained up to 21 undergraduates (primarily physics/astronomy majors) in a given academic semester, ranging from freshman to seniors. Various projects are currently being conducted by undergraduate students with guidance from graduate student mentors, including constructing three-color images, observations of transiting exoplanets, and determination of binary star orbits from echelle spectra. This academic year we initiated a large group research project to help students learn about the databases, journal repositories, and online observing tools astronomers use for day-to-day research. We discuss early inclusion in observational astronomy and research of these students and the impact it has on departmental retention, undergraduate involvement, and academic success.

  15. Road-runoff metal concentrations in Toledo, Ohio, and their relation to average daily traffic and age of pavement overlay.

    Science.gov (United States)

    Apul, D S; Miller, E; Jain, V

    2010-01-01

    Road runoff can contain metal concentrations and sampling of it can be expensive if auto-samplers are used. In this study, an inexpensive storm water sampling apparatus was developed and used for collecting the road runoff at eleven different sites in Toledo area. Sites were selected with the purpose of evaluating the effects of average daily traffic (ADT) and the age of pavement overlay on road runoff metal concentrations. Ag, As, Cd, and Mo concentrations were primarily below detection limit. Ba, Mn, Ni, Cu, Pb, and Zn were observed in higher concentrations but lower than pavement surface; with time, as the pavement aged, these sources appeared to be depleted as observed by lower runoff concentrations in older pavements.

  16. Orígenes de la Orden del Hospital en el reino de Toledo (1144-1215

    Directory of Open Access Journals (Sweden)

    Enrique Rodríguez-Picavea Matilla

    2002-01-01

    Full Text Available El presente trabajo analiza los orígenes de la Orden del Hospital de San Juan de Jerusalén en el reino de Toledo. Para ello se estudia, en primer lugar, el protagonismo de la realeza en el proceso de implantación de los sanjuanistas en este territorio. En segundo lugar nos detenemos en el proceso de creación de las primitivas encomiendas. Un tercer aspecto tratado es el estudio de los cauces para la adquisición del patrimonio señorial de la Orden. El cuarto apartado se refiere a la distribución geográfica de las propiedades fiospitalarias y su incidencia sobre la articulación fronteriza. Para finalizar con el análisis de la explotación del patrimonio sanjuanista, cuya materialización efectiva es la fiscalidad señorial.This paper analyses ttie origin of tfie Order of the Jerusaiem San Juan Hospital, in the Kingdom of Toledo. Por this purpose, it is studied, firstly, the Crown's role in the process of the Order supporters settiement in this territory. Secondly, we study the creation process of the primitiva Commanderies. A third aspect is the study of the ways to obtain the Order's Lordly Patrimony. The fourth point deals with the geographical distribution of the Hospitalahan properties, and their influence in the configuration of the border área. The last point is the analysis of the «San Juan» patrimony management, effectively matehalized through the Lordly taxation system.

  17. [Cardiovascular risk and cardiovascular events in the general population of the sanitary area of Toledo. RICARTO Study].

    Science.gov (United States)

    Rodríguez-Roca, G C; Rodríguez-Padial, L; Alonso-Moreno, F J; Segura-Fragoso, A; Villarín-Castro, A; Rodríguez-García, M L; Menchén-Herreros, A; Rojas-Martelo, G A; Fernández-Conde, J A; Artigao-Rodenas, L M; Carbayo-Herencia, J A; Escobar-Cervantes, C; Hernández-Moreno, J; Fernández-Martín, J

    2017-05-26

    The main aim of this study is to ascertain the prevalence of cardiovascular risk factors (CVRF), target organ damage (TOD), cardiovascular disease (CVD), as well as life habits (physical exercise, alcohol consumption, and Mediterranean diet) in the population of a Health Area in Toledo, Spain, to assess cardiovascular risk (CVR). Epidemiological and observational study that will analyse a sample from the general population aged 18 years or older, randomly selected from a database of health cards, and stratified by age and gender. Clinical history, physical examination, and complementary tests will be performed. Aliquots of whole blood and serum samples will be stored at a temperature of-85°C to evaluate future genetic studies. CVR will be estimated by using SCORE project scales calibrated for Spanish population and the Framingham Heart Study scale. When the estimated sample size has been achieved and after a minimum follow-up of 5 years, a final visit will performed in which CVRF, TOD, CVD, CVRF control, and fatal and non-fatal outcomes will be evaluated. The RICARTO study is aimed to assess the prevalence of the main CVRF, TOD and CVD in order to determine the CVR in the general population of a health area of Toledo. An analysis will be repeated on the final sample after at least 5 years of follow-up to ascertain the incidence of CV outcomes and the temporal trends of life style, as well as the prevalence of CVRF, TOD, and CVD. Copyright © 2017 Sociedad Española de Médicos de Atención Primaria (SEMERGEN). Publicado por Elsevier España, S.L.U. All rights reserved.

  18. La imagen de Santa Fe (Granada en la sillería del coro bajo de la catedral de Toledo

    Directory of Open Access Journals (Sweden)

    García Pulido, Luis José

    2004-09-01

    Full Text Available The iconographie representations of a city are always a valuable testimony which, when compared and completed with other documents, permit a more reliable approximation to the morphology and urban structure of a city at a given historical moment. In the case of Santa Fe only one image of exceptional importance has been preserved, revealing its appearance at the time of its foundation in 1491: a panel from the lower choir stalls of Toledo Cathedral. The authors demonstrate that this relief, until now erroneously thought to represent the siege of Malaga, actually shows the Real de la Vega and the Real de Santa Fe, with the city of Granada in the background. The information contained in this image provides revealing data concerning the new city and coincides with contemporary documentary testimonies as well as with other later graphic representations.

    Las representaciones iconográficas de una ciudad son siempre un valioso testimonio que, cotejado y completado con otros documentos, permiten aproximarse con mayor fidelidad a la morfología y estructura urbana de la misma en un determinado momento histórico. De Santa Fe se ha conservado sólo una imagen de excepcional valor que permite conocer su fisonomía en el momento de su fundación en 1491: un tablero de la sillería del coro bajo de la Catedral de Toledo. En este artículo se demuestra que dicho relieve, atribuido erróneamente hasta ahora al cerco de Málaga, representa en realidad al Real de la Vega y al Real de Santa Fe, con la ciudad de Granada al fondo. La información contenida en esta imagen aporta datos reveladores sobre la nueva ciudad y concuerda con los testimonios documentales contemporáneos y con otras representaciones gráficas de siglos posteriores.

  19. La remuneración y el control del servicio cultual en la Iglesia de Toledo (S. XVI

    Directory of Open Access Journals (Sweden)

    Susana Villaluenga de Gracia

    2009-06-01

    Full Text Available El propósito de este artículo es examinar el sistema de remuneración del clero en la catedral de Toledo en el siglo XVI. Su cabildo mantenía un sistema basado en las enseñanzas bíblicas y la normativa conciliar. Existía así una relación directa entre la remuneración de los sacerdotes y su misión de culto. Esto permitió establecer un salario justo en función a la presencia de los beneficiados a los oficios divinos y a las horas canónicas. Además, el cabildo garantizaba la correcta ejecución de este sistema retributivo a través de importantes mecanismos de control, apuntando de forma rigurosa las ausencias o irregularidades en el culto, que eran penalizadas a cuenta de su asignación y repartidas entre los beneficiarios cumplidores.The purpose of this articte is to explore the system of remuneration to priest on the cathedral of Toledo in the XVI century. Its chapter kept a system based on the biblical preaching and the canons of the ecclesiastical councils. There was thus a plug between the remuneration of the priest and their mission of cult to God. The belief system was a key factor to set an exact salary that was based on the presence of prebendaries at the divine offices and the canonical hours. Furthermore, the chapter kept an effective control system to report about the absences or irregular behaviour in the cult that were penalized. Then, on based to this information, it was set the salary. The fines were distributed to the prebenderies that fulfilled their obligations.

  20. FUNGOS MICORRÍZICOS ARBUSCULARES EM SOLOS DA RESERVA BIOLÓGICA MUNICIPAL SERRADOS TOLEDOS, ITAJUBÁ/MG

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    Rogério Melloni

    2011-01-01

    Full Text Available The City Biological Reserve of 'Serra dos Toledos' is an important remaining tropical rain forest in south Minas Gerais statewhich has high biodiversity and water resources. Studies related to soil quality are needed in the reserve management plans, which aim to maintain or to improve the environmental sustainability of these areas. Thus, the purpose of this work was to evaluate the inoculum potential of arbuscular mycorrhizal fungi (AM in samples of typical soil of that reserve. The quantifcation of propagules of this microbial group that establishes mutualistic symbiosis with most plant species, it is important for assessing the soil quality of the reserve. Three areas inside and one outside the Reserve were set to study, where soil samples were removed at depth 0 to 10 cm, in two seasons, winter 2008 and summer 2009. The samples were sent to the Laboratory of Microbiology of the University of ¿Itajubá¿ for quantification of the following microbiological attributes related to AM fungi: lengths of total and active extra-radical mycelium by the method of induced fluorescence with fluorescein diacetate, density and phenotypic diversity (morphotypes of spores, percentage and intensity of root colonization. The average results were compared by Duncan 5% and subjected to multivariate analysis. The results showed that the potential for MA fungal inoculum had a higher effect of areas in relation to the studied periods, with greater length of active and total extra-radical mycelium, a higher proportion of active mycelium in relation to the total and a greater diversity of spores in soil from the City Biological Reserve of ¿Serra dos Toledos¿, compared to the outside soil under pasture. The inoculum potential is not directly related to the soil fertility, where that outside the reserve, pasture, despite the best fertility were found smaller values of mycelium and diversity of MA fungal spores.

  1. Conflictividad social y orden público en Toledo, durante el Primer Bienio republicano (1931-1933

    Directory of Open Access Journals (Sweden)

    Ángel Torrejón Hernández

    2008-01-01

    Full Text Available Entre 1931 y 1933, la provincia de Toledo se ve sacudida por una sucesión de conflictos de carácter político y social que, tomados en conjunto, adquieren la morfología de una auténtica lucha interclasista. En esta dinámica de enfrentamiento, las capas sociales menos favorecidas reafirmaron su conciencia de clase y asentaron su estructura institucional. Simultáneamente, el bloque de la derecha sentía la amenaza que, para su tradicional posición dominante en el campo toledano, representaba la legislación social de los gobiernos del primer bienio republicano. El coste en víctimas mortales de esta tensión social fue muy elevado, uno de los más elevados de las provincias españolas. A ello colaboró decisivamente la política de orden público del nuevo régimen republicano que se expresó a través de la cuestionable actuación de los diversos gobernadores civiles.Between 1931 and 1933, the province of Toledo was shaken by a sucession of political and social conflicts which as a whole took the shape of a real class struggle. In this system of confrontation, the less favoured social strata reasserted its class consciousness and laid down its institutional structure. At the same time the right wing-bloc perceived a threat from the social laws carried out by the republican governments during the first two-year period of its traditional dominant position in Toledan farming. The cost in mortal victims of this social tension was very high, one of the highest in all Spanish provinces. The public order policy applied by the new republican regime manifested by the questionable behaviour of the civil governors contributed in a decisive way to such tensions.

  2. Comparison of two highly granular hadronic calorimeter concepts

    Energy Technology Data Exchange (ETDEWEB)

    Neubueser, Coralie

    2016-11-15

    The CALICE collaboration develops hadron calorimeter technologies with high granularity for future electron-positron linear colliders. These technologies differ in active material, granularity and their readout and thus their energy reconstruction schemes. The Analogue Hadron Calorimeter (AHCAL), based on scintillator tiles with Silicon Photomultiplier readout, measures the signal amplitude of the energy deposition in the cells of at most 3 x 3 cm{sup 2} size. The Digital, Resistive Plate Chamber (RPC) based, HCAL (DHCAL) detects hits above a certain threshold by firing pad sensors of 1 x 1 cm{sup 2}. A 2 bit readout is provided by the, also RPC based, Semi-Digital HCAL (SDHCAL), which counts hits above three different thresholds per 1 x 1 cm{sup 2} pad. All three calorimeter concepts have been realised in 1 m{sup 3} prototypes with interleaved steel absorber and tested at various test beams. The differences in active medium, granularity and readout have different impacts on the energy resolution and need to be studied independently. This analysis concentrates on the comparison between these technologies by investigating the impact of the different energy reconstruction schemes on the energy resolution of the AHCAL testbeam data and simulation. Additionally, a so-called software compensation algorithm is developed to weight hits dependent on their energy content and correct for the difference in the response to the electromagnetic and hadronic sub-showers (e/h≠1) and thus reduce the influence of fluctuations in the π{sup 0} generation. The comparison of the energy resolutions revealed that it is mandatory for the AHCAL with 3 x 3 cm{sup 2} cell size to have analogue signal readout, to apply the software compensation algorithm and thus achieve the best possible energy resolution. The effect of the granularity is studied with a simulation of the AHCAL with 1 x 1 cm{sup 2} cell size, and it has been found that to achieve the best possible energy resolution the semi

  3. Study of the interactions of pions in the CALICE silicon-tungsten calorimeter prototype

    CERN Document Server

    Adloff, C; Repond, J; Yu, J; Eigen, G; Mikami, Y; Watson, N K; Wilson, J A; Goto, T; Mavromanolakis, G; Thomson, M A; Ward, D R; Yan, W; Benchekroun, D; Hoummada, A; Khoulaki, Y; Apostolakis, J; Ribon, A; Uzhinskiy, V; Benyamna, M; Carloganu, C; Fehr, F; Gay, P; Blazey, G C; Chakraborty, D; Dyshkant, A; Francis, K; Hedin, D; Lima, J G; Zutshi, V; Hostachy, J Y; Krastev, K; Morin, L; D'Ascenzo, N; Cornett, U; David, D; Fabbri, R; Falley, G; Gadow, K; Garutti, E; Gottlicher, P; Jung, T; Karstensen, S; Lucaci-Timoce, A I; Lutz, B; Meyer, N; Morgunov, V; Reinecke, M; Sefkow, F; Smirnov, P; Vargas-Trevino, A; Wattimena, N; Wendt, O; Feege, N; Groll, M; Haller, J; Heuer, R D; Morozov, S; Richter, S; Samson, J; Kaplan, A; Schultz-Coulon, H C; Shen, W; Tadday, A; Bilki, B; Norbeck, E; Onel, Y; Kim, E J; Kim, G; Kim, D W; Lee, K; Lee, S C; Kawagoe, K; Tamura, Y; Dauncey, P D; Magnan, A M; Yilmaz, H; Zorba, O; Bartsch, V; Postranecky, M; Warren, M; Wing, M; Green, M G; Salvatore, F; Bedjidian, M; Kieffer, R; Laktineh, I; Fouz, M C; Bailey, D S; Barlow, R J; Kelly, M; Thompson, R J; Danilov, M; Tarkovsky, E; Baranova, N; Karmanov, D; Korolev, M; Merkin, M; Voronin, A; Frey, A; Lu, S; Seidel, K; Simon, F; Soldner, C; Weuste, L; Bonis, J; Bouquet, B; Callier, S; Cornebise, P; Doublet, Ph; Faucci Giannelli, M; Fleury, J; Li, H; Martin-Chassard, G; Richard, F; de la Taille, Ch; Poeschl, R; Raux, L; Seguin-Moreau, N; Wicek, F; Anduze, M; Boudry, V; Brient, J C; Gaycken, G; Jeans, D; Mora de Freitas, P; Musat, G; Reinhard, M; Rouge, A; Ruan, M; Vanel, J C; Videau, H; Park, K H; Zacek, J; Cvach, J; Gallus, P; Havranek, M; Janata, M; Marcisovsky, M; Polak, I; Popule, J; Tomasek, L; Tomasek, M; Ruzicka, P; Sicho, P; Smolik, J; Vrba, V; Zalesak, J; Belhorma, B; Belmir, M; Nam, S W; Park, I H; Yang, J; Chai, J S; Kim, J T; Kim, G B; Kang, J; Kwon, Y J

    2010-01-01

    A prototype silicon-tungsten electromagnetic calorimeter for an ILC detector was tested in 2007 at the CERN SPS test beam. Data were collected with electron and hadron beams in the energy range 8 to 80 GeV. The analysis described here focuses on the interactions of pions in the calorimeter. One of the main objectives of the CALICE program is to validate the Monte Carlo tools available for the design of a full-sized detector. The interactions of pions in the Si-W calorimeter are therefore confronted with the predictions of various physical models implemented in the GEANT4 simulation framework.

  4. Identification and Filtering of Uncharacteristic Noise in the CMS Hadron Calorimeter

    CERN Document Server

    Chatrchyan, S; Sirunyan, A M; Adam, W; Arnold, B; Bergauer, H; Bergauer, T; Dragicevic, M; Eichberger, M; Erö, J; Friedl, M; Frühwirth, R; Ghete, V M; Hammer, J; Hänsel, S; Hoch, M; Hörmann, N; Hrubec, J; Jeitler, M; Kasieczka, G; Kastner, K; Krammer, M; Liko, D; Magrans de Abril, I; Mikulec, I; Mittermayr, F; Neuherz, B; Oberegger, M; Padrta, M; Pernicka, M; Rohringer, H; Schmid, S; Schöfbeck, R; Schreiner, T; Stark, R; Steininger, H; Strauss, J; Taurok, A; Teischinger, F; Themel, T; Uhl, D; Wagner, P; Waltenberger, W; Walzel, G; Widl, E; Wulz, C E; Chekhovsky, V; Dvornikov, O; Emeliantchik, I; Litomin, A; Makarenko, V; Marfin, I; Mossolov, V; Shumeiko, N; Solin, A; Stefanovitch, R; Suarez Gonzalez, J; Tikhonov, A; Fedorov, A; Karneyeu, A; Korzhik, M; Panov, V; Zuyeuski, R; Kuchinsky, P; Beaumont, W; Benucci, L; Cardaci, M; De Wolf, E A; Delmeire, E; Druzhkin, D; Hashemi, M; Janssen, X; Maes, T; Mucibello, L; Ochesanu, S; Rougny, R; Selvaggi, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Adler, V; Beauceron, S; Blyweert, S; D'Hondt, J; De Weirdt, S; Devroede, O; Heyninck, J; Kalogeropoulos, A; Maes, J; Maes, M; Mozer, M U; Tavernier, S; Van Doninck, W; Van Mulders, P; Villella, I; Bouhali, O; Chabert, E C; Charaf, O; Clerbaux, B; De Lentdecker, G; Dero, V; Elgammal, S; Gay, A P R; Hammad, G H; Marage, P E; Rugovac, S; Vander Velde, C; Vanlaer, P; Wickens, J; Grunewald, M; Klein, B; Marinov, A; Ryckbosch, D; Thyssen, F; Tytgat, M; Vanelderen, L; Verwilligen, P; Basegmez, S; Bruno, G; Caudron, J; Delaere, C; Demin, P; Favart, D; Giammanco, A; Grégoire, G; Lemaitre, V; Militaru, O; Ovyn, S; Piotrzkowski, K; Quertenmont, L; Schul, N; Beliy, N; Daubie, E; Alves, G A; Pol, M E; Souza, M H G; Carvalho, W; De Jesus Damiao, D; De Oliveira Martins, C; Fonseca De Souza, S; Mundim, L; Oguri, V; Santoro, A; Silva Do Amaral, S M; Sznajder, A; Fernandez Perez Tomei, T R; Ferreira Dias, M A; Gregores, E M; Novaes, S F; Abadjiev, K; Anguelov, T; Damgov, J; Darmenov, N; Dimitrov, L; Genchev, V; Iaydjiev, P; Piperov, S; Stoykova, S; Sultanov, G; Trayanov, R; Vankov, I; Dimitrov, A; Dyulendarova, M; Kozhuharov, V; Litov, L; Marinova, E; Mateev, M; Pavlov, B; Petkov, P; Toteva, Z; Chen, G M; Chen, H S; Guan, W; Jiang, C H; Liang, D; Liu, B; Meng, X; Tao, J; Wang, J; Wang, Z; Xue, Z; Zhang, Z; Ban, Y; Cai, J; Ge, Y; Guo, S; Hu, Z; Mao, Y; Qian, S J; Teng, H; Zhu, B; Avila, C; Baquero Ruiz, M; Carrillo Montoya, C A; Gomez, A; Gomez Moreno, B; Ocampo Rios, A A; Osorio Oliveros, A F; Reyes Romero, D; Sanabria, J C; Godinovic, N; Lelas, K; Plestina, R; Polic, D; Puljak, I; Antunovic, Z; Dzelalija, M; Brigljevic, V; Duric, S; Kadija, K; Morovic, S; Fereos, R; Galanti, M; Mousa, J; Papadakis, A; Ptochos, F; Razis, P A; Tsiakkouri, D; Zinonos, Z; Hektor, A; Kadastik, M; Kannike, K; Müntel, M; Raidal, M; Rebane, L; Anttila, E; Czellar, S; Härkönen, J; Heikkinen, A; Karimäki, V; Kinnunen, R; Klem, J; Kortelainen, M J; Lampén, T; Lassila-Perini, K; Lehti, S; Lindén, T; Luukka, P; Mäenpää, T; Nysten, J; Tuominen, E; Tuominiemi, J; Ungaro, D; Wendland, L; Banzuzi, K; Korpela, A; Tuuva, T; Nedelec, P; Sillou, D; Besancon, M; Chipaux, R; Dejardin, M; Denegri, D; Descamps, J; Fabbro, B; Faure, J L; Ferri, F; Ganjour, S; Gentit, F X; Givernaud, A; Gras, P; Hamel de Monchenault, G; Jarry, P; Lemaire, M C; Locci, E; Malcles, J; Marionneau, M; Millischer, L; Rander, J; Rosowsky, A; Rousseau, D; Titov, M; Verrecchia, P; Baffioni, S; Bianchini, L; Bluj, M; Busson, P; Charlot, C; Dobrzynski, L; Granier de Cassagnac, R; Haguenauer, M; Miné, P; Paganini, P; Sirois, Y; Thiebaux, C; Zabi, A; Agram, J L; Besson, A; Bloch, D; Bodin, D; Brom, J M; Conte, E; Drouhin, F; Fontaine, J C; Gelé, D; Goerlach, U; Gross, L; Juillot, P; Le Bihan, A C; Patois, Y; Speck, J; Van Hove, P; Baty, C; Bedjidian, M; Blaha, J; Boudoul, G; Brun, H; Chanon, N; Chierici, R; Contardo, D; Depasse, P; Dupasquier, T; El Mamouni, H; Fassi, F; Fay, J; Gascon, S; Ille, B; Kurca, T; Le Grand, T; Lethuillier, M; Lumb, N; Mirabito, L; Perries, S; Vander Donckt, M; Verdier, P; Djaoshvili, N; Roinishvili, N; Roinishvili, V; Amaglobeli, N; Adolphi, R; Anagnostou, G; Brauer, R; Braunschweig, W; Edelhoff, M; Esser, H; Feld, L; Karpinski, W; Khomich, A; Klein, K; Mohr, N; Ostaptchouk, A; Pandoulas, D; Pierschel, G; Raupach, F; Schael, S; Schultz von Dratzig, A; Schwering, G; Sprenger, D; Thomas, M; Weber, M; Wittmer, B; Wlochal, M; Actis, O; Altenhöfer, G; Bender, W; Biallass, P; Erdmann, M; Fetchenhauer, G; Frangenheim, J; Hebbeker, T; Hilgers, G; Hinzmann, A; Hoepfner, K; Hof, C; Kirsch, M; Klimkovich, T; Kreuzer, P; Lanske, D; Merschmeyer, M; Meyer, A; Philipps, B; Pieta, H; Reithler, H; Schmitz, S A; Sonnenschein, L; Sowa, M; Steggemann, J; Szczesny, H; Teyssier, D; Zeidler, C; Bontenackels, M; Davids, M; Duda, M; Flügge, G; Geenen, H; Giffels, M; Haj Ahmad, W; Hermanns, T; Heydhausen, D; Kalinin, S; Kress, T; Linn, A; Nowack, A; Perchalla, L; Poettgens, M; Pooth, O; Sauerland, P; Stahl, A; Tornier, D; Zoeller, M H; Aldaya Martin, M; Behrens, U; Borras, K; Campbell, A; Castro, E; Dammann, D; Eckerlin, G; Flossdorf, A; Flucke, G; Geiser, A; Hatton, D; Hauk, J; Jung, H; Kasemann, M; Katkov, I; Kleinwort, C; Kluge, H; Knutsson, A; Kuznetsova, E; Lange, W; Lohmann, W; Mankel, R; Marienfeld, M; Meyer, A B; Miglioranzi, S; Mnich, J; Ohlerich, M; Olzem, J; Parenti, A; Rosemann, C; Schmidt, R; Schoerner-Sadenius, T; Volyanskyy, D; Wissing, C; Zeuner, W D; Autermann, C; Bechtel, F; Draeger, J; Eckstein, D; Gebbert, U; Kaschube, K; Kaussen, G; Klanner, R; Mura, B; Naumann-Emme, S; Nowak, F; Pein, U; Sander, C; Schleper, P; Schum, T; Stadie, H; Steinbrück, G; Thomsen, J; Wolf, R; Bauer, J; Blüm, P; Buege, V; Cakir, A; Chwalek, T; De Boer, W; Dierlamm, A; Dirkes, G; Feindt, M; Felzmann, U; Frey, M; Furgeri, A; Gruschke, J; Hackstein, C; Hartmann, F; Heier, S; Heinrich, M; Held, H; Hirschbuehl, D; Hoffmann, K H; Honc, S; Jung, C; Kuhr, T; Liamsuwan, T; Martschei, D; Mueller, S; Müller, Th; Neuland, M B; Niegel, M; Oberst, O; Oehler, A; Ott, J; Peiffer, T; Piparo, D; Quast, G; Rabbertz, K; Ratnikov, F; Ratnikova, N; Renz, M; Saout, C; Sartisohn, G; Scheurer, A; Schieferdecker, P; Schilling, F P; Schott, G; Simonis, H J; Stober, F M; Sturm, P; Troendle, D; Trunov, A; Wagner, W; Wagner-Kuhr, J; Zeise, M; Zhukov, V; Ziebarth, E B; Daskalakis, G; Geralis, T; Karafasoulis, K; Kyriakis, A; Loukas, D; Markou, A; Markou, C; Mavrommatis, C; Petrakou, E; Zachariadou, A; Gouskos, L; Katsas, P; Panagiotou, A; Evangelou, I; Kokkas, P; Manthos, N; Papadopoulos, I; Patras, V; Triantis, F A; Bencze, G; Boldizsar, L; Debreczeni, G; Hajdu, C; Hernath, S; Hidas, P; Horvath, D; Krajczar, K; Laszlo, A; Patay, G; Sikler, F; Toth, N; Vesztergombi, G; Beni, N; Christian, G; Imrek, J; Molnar, J; Novak, D; Palinkas, J; Szekely, G; Szillasi, Z; Tokesi, K; Veszpremi, V; Kapusi, A; Marian, G; Raics, P; Szabo, Z; Trocsanyi, Z L; Ujvari, B; Zilizi, G; Bansal, S; Bawa, H S; Beri, S B; Bhatnagar, V; Jindal, M; Kaur, M; Kaur, R; Kohli, J M; Mehta, M Z; Nishu, N; Saini, L K; Sharma, A; Singh, A; Singh, J B; Singh, S P; Ahuja, S; Arora, S; Bhattacharya, S; Chauhan, S; Choudhary, B C; Gupta, P; Jain, S; Jha, M; Kumar, A; Ranjan, K; Shivpuri, R K; Srivastava, A K; Choudhury, R K; Dutta, D; Kailas, S; Kataria, S K; Mohanty, A K; Pant, L M; Shukla, P; Topkar, A; Aziz, T; Guchait, M; Gurtu, A; Maity, M; Majumder, D; Majumder, G; Mazumdar, K; Nayak, A; Saha, A; Sudhakar, K; Banerjee, S; Dugad, S; Mondal, N K; Arfaei, H; Bakhshiansohi, H; Fahim, A; Jafari, A; Mohammadi Najafabadi, M; Moshaii, A; Paktinat Mehdiabadi, S; Rouhani, S; Safarzadeh, B; Zeinali, M; Felcini, M; Abbrescia, M; Barbone, L; Chiumarulo, F; Clemente, A; Colaleo, A; Creanza, D; Cuscela, G; De Filippis, N; De Palma, M; De Robertis, G; Donvito, G; Fedele, F; Fiore, L; Franco, M; Iaselli, G; Lacalamita, N; Loddo, F; Lusito, L; Maggi, G; Maggi, M; Manna, N; Marangelli, B; My, S; Natali, S; Nuzzo, S; Papagni, G; Piccolomo, S; Pierro, G A; Pinto, C; 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Avery, P; Barashko, V; Bourilkov, D; Chen, M; Di Giovanni, G P; Dobur, D; Drozdetskiy, A; Field, R D; Fu, Y; Furic, I K; Gartner, J; Holmes, D; Kim, B; Klimenko, S; Konigsberg, J; Korytov, A; Kotov, K; Kropivnitskaya, A; Kypreos, T; Madorsky, A; Matchev, K; Mitselmakher, G; Pakhotin, Y; Piedra Gomez, J; Prescott, C; Rapsevicius, V; Remington, R; Schmitt, M; Scurlock, B; Wang, D; Yelton, J; Ceron, C; Gaultney, V; Kramer, L; Lebolo, L M; Linn, S; Markowitz, P; Martinez, G; Rodriguez, J L; Adams, T; Askew, A; Baer, H; Bertoldi, M; Chen, J; Dharmaratna, W G D; Gleyzer, S V; Haas, J; Hagopian, S; Hagopian, V; Jenkins, M; Johnson, K F; Prettner, E; Prosper, H; Sekmen, S; Baarmand, M M; Guragain, S; Hohlmann, M; Kalakhety, H; Mermerkaya, H; Ralich, R; Vodopiyanov, I; Abelev, B; Adams, M R; Anghel, I M; Apanasevich, L; Bazterra, V E; Betts, R R; Callner, J; Castro, M A; Cavanaugh, R; Dragoiu, C; Garcia-Solis, E J; Gerber, C E; Hofman, D J; Khalatian, S; Mironov, C; Shabalina, E; Smoron, A; Varelas, N; Akgun, U; Albayrak, E A; Ayan, A S; Bilki, B; Briggs, R; Cankocak, K; Chung, K; Clarida, W; Debbins, P; Duru, F; Ingram, F D; Lae, C K; McCliment, E; Merlo, J P; Mestvirishvili, A; Miller, M J; Moeller, A; Nachtman, J; Newsom, C R; Norbeck, E; Olson, J; Onel, Y; Ozok, F; Parsons, J; Schmidt, I; Sen, S; Wetzel, J; Yetkin, T; Yi, K; Barnett, B A; Blumenfeld, B; Bonato, A; Chien, C Y; Fehling, D; Giurgiu, G; Gritsan, A V; Guo, Z J; Maksimovic, P; Rappoccio, S; Swartz, M; Tran, N V; Zhang, Y; Baringer, P; Bean, A; Grachov, O; Murray, M; Radicci, V; Sanders, S; Wood, J S; Zhukova, V; Bandurin, D; Bolton, T; Kaadze, K; Liu, A; Maravin, Y; Onoprienko, D; Svintradze, I; Wan, Z; Gronberg, J; Hollar, J; Lange, D; Wright, D; Baden, D; Bard, R; Boutemeur, M; Eno, S C; Ferencek, D; Hadley, N J; Kellogg, R G; Kirn, M; Kunori, S; Rossato, K; Rumerio, P; Santanastasio, F; Skuja, A; Temple, J; Tonjes, M B; Tonwar, S C; Toole, T; Twedt, E; Alver, B; Bauer, G; Bendavid, J; Busza, W; Butz, E; Cali, I A; Chan, M; D'Enterria, D; Everaerts, P; Gomez Ceballos, G; Hahn, K A; Harris, P; Jaditz, S; Kim, Y; Klute, M; Lee, Y J; Li, W; Loizides, C; Ma, T; Miller, M; Nahn, S; Paus, C; Roland, C; Roland, G; Rudolph, M; Stephans, G; Sumorok, K; Sung, K; Vaurynovich, S; Wenger, E A; Wyslouch, B; Xie, S; Yilmaz, Y; Yoon, A S; Bailleux, D; Cooper, S I; Cushman, P; Dahmes, B; De Benedetti, A; Dolgopolov, A; Dudero, P R; Egeland, R; Franzoni, G; Haupt, J; Inyakin, A; Klapoetke, K; Kubota, Y; Mans, J; Mirman, N; Petyt, D; Rekovic, V; Rusack, R; Schroeder, M; Singovsky, A; Zhang, J; Cremaldi, L M; Godang, R; Kroeger, R; Perera, L; Rahmat, R; Sanders, D A; Sonnek, P; Summers, D; Bloom, K; Bockelman, B; Bose, S; Butt, J; Claes, D R; Dominguez, A; Eads, M; Keller, J; Kelly, T; Kravchenko, I; Lazo-Flores, J; Lundstedt, C; Malbouisson, H; Malik, S; Snow, G R; Baur, U; Iashvili, I; Kharchilava, A; Kumar, A; Smith, K; Strang, M; Alverson, G; Barberis, E; Boeriu, O; Eulisse, G; Govi, G; McCauley, T; Musienko, Y; Muzaffar, S; Osborne, I; Paul, T; Reucroft, S; Swain, J; Taylor, L; Tuura, L; Anastassov, A; Gobbi, B; Kubik, A; Ofierzynski, R A; Pozdnyakov, A; Schmitt, M; Stoynev, S; Velasco, M; Won, S; Antonelli, L; Berry, D; Hildreth, M; Jessop, C; Karmgard, D J; Kolberg, T; Lannon, K; Lynch, S; Marinelli, N; Morse, D M; Ruchti, R; Slaunwhite, J; Warchol, J; Wayne, M; Bylsma, B; Durkin, L S; Gilmore, J; Gu, J; Killewald, P; Ling, T Y; Williams, G; Adam, N; Berry, E; Elmer, P; Garmash, A; Gerbaudo, D; Halyo, V; Hunt, A; Jones, J; Laird, E; Marlow, D; Medvedeva, T; Mooney, M; Olsen, J; Piroué, P; Stickland, D; Tully, C; Werner, J S; Wildish, T; Xie, Z; Zuranski, A; Acosta, J G; Bonnett Del Alamo, M; Huang, X T; Lopez, A; Mendez, H; Oliveros, S; Ramirez Vargas, J E; Santacruz, N; Zatzerklyany, A; Alagoz, E; Antillon, E; Barnes, V E; Bolla, G; Bortoletto, D; Everett, A; Garfinkel, A F; Gecse, Z; Gutay, L; Ippolito, N; Jones, M; Koybasi, O; Laasanen, A T; Leonardo, N; Liu, C; Maroussov, V; Merkel, P; Miller, D H; Neumeister, N; Sedov, A; Shipsey, I; Yoo, H D; Zheng, Y; Jindal, P; Parashar, N; Cuplov, V; Ecklund, K M; Geurts, F J M; Liu, J H; Maronde, D; Matveev, M; Padley, B P; Redjimi, R; Roberts, J; Sabbatini, L; Tumanov, A; Betchart, B; Bodek, A; Budd, H; Chung, Y S; de Barbaro, P; Demina, R; Flacher, H; Gotra, Y; Harel, A; Korjenevski, S; Miner, D C; Orbaker, D; Petrillo, G; Vishnevskiy, D; Zielinski, M; Bhatti, A; Demortier, L; Goulianos, K; Hatakeyama, K; Lungu, G; Mesropian, C; Yan, M; Atramentov, O; Bartz, E; Gershtein, Y; Halkiadakis, E; Hits, D; Lath, A; Rose, K; Schnetzer, S; Somalwar, S; Stone, R; Thomas, S; Watts, T L; Cerizza, G; Hollingsworth, M; Spanier, S; Yang, Z C; York, A; Asaadi, J; Aurisano, A; Eusebi, R; Golyash, A; Gurrola, A; Kamon, T; Nguyen, C N; Pivarski, J; Safonov, A; Sengupta, S; Toback, D; Weinberger, M; Akchurin, N; Berntzon, L; Gumus, K; Jeong, C; Kim, H; Lee, S W; Popescu, S; Roh, Y; Sill, A; Volobouev, I; Washington, E; Wigmans, R; Yazgan, E; Engh, D; Florez, C; Johns, W; Pathak, S; Sheldon, P; Andelin, D; Arenton, M W; Balazs, M; Boutle, S; Buehler, M; Conetti, S; Cox, B; Hirosky, R; Ledovskoy, A; Neu, C; Phillips II, D; Ronquest, M; Yohay, R; Gollapinni, S; Gunthoti, K; Harr, R; Karchin, P E; Mattson, M; Sakharov, A; Anderson, M; Bachtis, M; Bellinger, J N; Carlsmith, D; Crotty, I; Dasu, S; Dutta, S; Efron, J; Feyzi, F; Flood, K; Gray, L; Grogg, K S; Grothe, M; Hall-Wilton, R; Jaworski, M; Klabbers, P; Klukas, J; Lanaro, A; Lazaridis, C; Leonard, J; Loveless, R; Magrans de Abril, M; Mohapatra, A; Ott, G; Polese, G; Reeder, D; Savin, A; Smith, W H; Sourkov, A; Swanson, J; Weinberg, M; Wenman, D; Wensveen, M; White, A

    2010-01-01

    Commissioning studies of the CMS hadron calorimeter have identified sporadic uncharacteristic noise and a small number of malfunctioning calorimeter channels. Algorithms have been developed to identify and address these problems in the data. The methods have been tested on cosmic ray muon data, calorimeter noise data, and single beam data collected with CMS in 2008. The noise rejection algorithms can be applied to LHC collision data at the trigger level or in the offline analysis. The application of the algorithms at the trigger level is shown to remove 90% of noise events with fake missing transverse energy above 100 GeV, which is sufficient for the CMS physics trigger operation.

  5. Developments for a scintillator tile sampling hadron calorimeter with 'longitudinal' tile configuration

    CERN Document Server

    Bosman, M; Teubert, F; Blaj, C; Boldea, V; Dita, S; Ajaltouni, Z; Badaud, F; Bouhemaid, N; Brette, P; Brossard, M; Chadelas, R; Chevaleyre, J C; Crouau, M; Daudon, F; Dugne, J J; Michel, B; Montarou, G; Muanza, G S; Pallin, D; Says, L P; Vazeille, F; Gildemeister, O; Nessi, M; Poggioli, L; Sonderegger, P; Amorin, A; Ferreira, P; Gomes, A; Henriques, A; Maio, A; Peralta, L; Leitner, M; Suk, M; Kostrikov, M; Kulagin, M; Lapin, V; Protopopov, Y; Solodkov, Alexander A; Zaitsev, A; Hakobian, H

    1993-01-01

    In a scintillation tile calorimeter with wavelength shifting fiber readout significant simplifications of the construction and the assembly are possible if the tiles are oriented "longitudinally", i.e. in r-phi plane for a barrel configuration. For a hybrid calorimeter consisting of a scintillator tile hadron compartment and a sufficiently containing LAr EM compartment, as proposed for the ATLAS detector, good jet resolution is predicted by simulations. The aim of the proposal is to construct a test module and to check the simulation results by test beam measurements. Several component tests and further simulations and engineering studies are needed to optimize the design of a large calorimeter structure.

  6. The design and performance of the electromagnetic calorimeters in Hall C at Jefferson Lab

    Energy Technology Data Exchange (ETDEWEB)

    Vardan Tadevosyan, Hamlet Mkrtchyan, Arshak Asaturyan, Arthur Mkrtchyan, Simon Zhamkochyan

    2012-12-01

    The design and performance of the electromagnetic calorimeters in the magnetic spectrometers in Hall C at Jefferson Lab are presented. For the existing HMS and SOS spectrometers, construction information and comparisons of simulated and experimental results are presented. The design and simulated performance for a new calorimeter to be used in the new SHMS spectrometer is also presented. We have developed and constructed electromagnetic calorimeters from TF-1 type lead-glass blocks for the HMS and SOS magnetic spectrometers at JLab Hall C. The HMS/SOS calorimeters are of identical design and construction except for their total size. Blocks of dimension 10 cm × 10 cm × 70 cm are arranged in four planes and stacked 13 and 11 blocks high in the HMS and SOS respectively. The energy resolution of these calorimeters is better than 6%/√E, and pion/electron (π/e) separation of about 100:1 has been achieved in energy range 1–5 GeV. Good agreement has been observed between the experimental and GEANT4 simulated energy resolutions. The HMS/SOS calorimeters have been used nearly in all Hall C experiments, providing good energy resolution and a high pion suppression factor. No significant deterioration in their performance has been observed in the course of use since 1994. For the SHMS spectrometer, presently under construction, details on the calorimeter design and accompanying GEANT4 simulation efforts are given. A Preshower+Shower design was selected as the most cost-effective among several design choices. The preshower will consist of a layer of 28 modules with TF-1 type lead glass radiators, stacked in two columns. The shower part will consist of 224 modules with F-101 type lead glass radiators, stacked in a “fly's eye” configuration of 14 columns and 16 rows. The active area of 120 × 130 cm(2) will encompass the beam envelope at the calorimeter. The anticipated performance of the new calorimeter is simulated over the full momentum range of the SHMS, predicting

  7. Drift time measurement in the ATLAS liquid argon electromagnetic calorimeter using cosmic muons

    DEFF Research Database (Denmark)

    Aad..[], G.; Dam, Mogens; Hansen, Jørgen Beck

    2010-01-01

    on the constant term of the energy resolution. The drift times of electrons in the cells of the second layer of the calorimeter are uniform at the level of 1.3% in the barrel and 2.8% in the endcaps. This leads to an estimated contribution to the constant term of (0.29^{+0.05}_{-0.04})% in the barrel and (0......The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to assess the intrinsic uniformity of the calorimeter gaps and estimate its impact...

  8. Noise dependence with pile-up in the ATLAS Tile calorimeter

    CERN Document Server

    Araque Espinosa, Juan Pedro; The ATLAS collaboration

    2015-01-01

    The Tile Calorimeter, TileCal, is the central hadronic calorimeter of the ATLAS experiment and comprises alternating layers of steel (as absorber material) and plastic (as active material), known as tiles. Between 2009 and 2012, the LHC has performed better than expected producing proton-proton collisions at a very high rate. Under these challenging conditions not only the energy from an interesting event will be measured but also a component coming from other collisions. This component is referred to as pile-up noise. Studies carried out to better understand how pile-up affects calorimeter noise under different circumstances are described.

  9. Energy reconstruction and calibration algorithms for the ATLAS electromagnetic calorimeter

    CERN Document Server

    Delmastro, M

    2003-01-01

    The work of this thesis is devoted to the study, development and optimization of the algorithms of energy reconstruction and calibration for the electromagnetic calorimeter (EMC) of the ATLAS experiment, presently under installation and commissioning at the CERN Large Hadron Collider in Geneva (Switzerland). A deep study of the electrical characteristics of the detector and of the signals formation and propagation is conduced: an electrical model of the detector is developed and analyzed through simulations; a hardware model (mock-up) of a group of the EMC readout cells has been built, allowing the direct collection and properties study of the signals emerging from the EMC cells. We analyze the existing multiple-sampled signal reconstruction strategy, showing the need of an improvement in order to reach the advertised performances of the detector. The optimal filtering reconstruction technique is studied and implemented, taking into account the differences between the ionization and calibration waveforms as e...

  10. Testbeam results for a Shashlik calorimeter with longitudinal segmentation

    CERN Document Server

    CERN. Geneva

    2000-01-01

    In the frame of R & D for electromagnetic calorimetry at future e+ e- linear colliders different techniques have been studied to implement longitudinal segmentation in Shashlik calorimeters. Two prototypes with 5 multiplied by 5 cm2 lead/scintillator towers and WLS readout have been built. The longitudinal segmentation of the shower is achieved by modifying the front part of the detector. In one prototype vacuum photodiodes are inserted laterally for the first 8 radiation lengths, while in the second one fast scintillator is used in the first 5 radiation lengths. Both the prototypes have been exposed to beam at the CERN West Area, and the performance in term of energy resolution, uniformity, spatial resolution and electron/pion separation are described. The preliminary results of the exposure to the same beam of a third prototype, with a 3 multiplied by 3 cm2 lateral granularity are also presented.

  11. LHCb: Radiation hard programmable delay line for LHCb Calorimeter Upgrade

    CERN Multimedia

    Mauricio Ferre, J; Vilasís Cardona, X; Picatoste Olloqui, E; Machefert, F; Lefrançois, J; Duarte, O

    2013-01-01

    This poster describes the implementation of a SPI-programmable clock delay chip based on a Delay Locked Loop (DLL) in order to shift the phase of the LHC clock (25 ns) in steps of 1ns, with a 4ps jitter and 18ps of DNL. The delay lines will be integrated into ICECAL, the LHCb calorimeter front-end ASIC in the near future. The stringent noise requirements on the ASIC imply minimizing the noise contribution of digital components. This is accomplished by implementing the DLL in differential mode. To achieve the required radiation tolerance several techniques are applied: double guard rings between PMOS and NMOS transistors as well as glitch suppressors and TMR Registers. This 5.7 mm2 chip has been implemented in CMOS 0.35um technology.

  12. Performance of the ATLAS electromagnetic calorimeter barrel module 0

    CERN Document Server

    Aubert, Bernard; Alexa, C; Astesan, F; Augé, E; Aulchenko, V M; Ballansat, J; Barreiro, F; Barrillon, P; Battistoni, G; Bazan, A; Beaugiraud, B; Beck-Hansen, J; Belhorma, B; Belorgey, J; Belymam, A; Ben-Mansour, A; Benchekroun, D; Benchouk, C; Bernard, R; Bertoli, W; Boniface, J; Bonivento, W; Bourdarios, C; Bremer, J; Breton, D; Bán, J; Camard, A; Canton, B; Carminati, L; Cartiglia, N; Cavalli, D; Chalifour, M; Chekhtman, A; Chen, H; Cherkaoui, R; Chevalley, J L; Chollet, F; Citterio, M; Clark, A; Cleland, W; Clément, C; Colas, Jacques; Collot, J; Costa, G; Cros, P; Cunitz, H; de Saintignon, P; Del Peso, J; Delebecque, P; Delmastro, M; Di Ciaccio, Lucia; Dinkespiler, B; Djama, F; Dodd, J; Driouichi, C; Dumont-Dayot, N; Duval, P Y; Dzahini, D; Efthymiopoulos, I; Egdemir, J; El-Kacimi, M; El-Mouahhidi, Y; Engelmann, R; Ernwein, J; Falleau, I; Fanti, M; Farrell, J; Fassnacht, P; Ferrari, A; Fichet, S; Fournier, D; Gallin-Martel, M L; Gara, A; García, G; Gaumer, O; Ghazlane, H; Ghez, P; Gianotti, F; Girard, C; Gordon, H; Gouanère, M; Guilhem, G; Hackenburg, B; Hakimi, M; Hassani, S; Henry-Coüannier, F; Hervás, L; Hinz, L; Hoffman, A; Hoffman, J; Hostachy, J Y; Hoummada, A; Hubaut, F; Idrissi, A; Imbault, D; Jacquier, Y; Jérémie, A; Jevaud, M; Jézéquel, S; Kambara, H; Karst, P; Kazanin, V; Kierstead, J A; Kolachev, G M; Kordas, K; de La Taille, C; Labarga, L; Lacour, D; Lafaye, R; Laforge, B; Lanni, F; Le Coroller, A; Le Dortz, O; Le Maner, C; Le Van-Suu, A; Le Flour, T; Leite, M; Leltchouk, M; Lesueur, J; Lissauer, D; Lund-Jensen, B; Lundqvist, J M; Ma, H; Macé, G; Makowiecki, D S; Malychev, V; Mandelli, L; Mansoulié, B; Marin, C P; Martin, D; Martin, L; Martin, O; Martin, P; Maslennikov, A L; Massol, N; Mazzanti, M; McCarthy, R; McDonald, J; Megner, L; Merkel, B; Mirea, A; Moneta, L; Monnier, E; Moynot, M; Muraz, J F; Nagy, E; Negroni, S; Neukermans, L; Nicod, D; Nikolic-Audit, I; Noppe, J M; Ohlsson-Malek, F; Olivier, C; Orsini, F; Pailler, P; Parrour, G; Parsons, J A; Pearce, M; Perini, L; Perrodo, P; Perrot, G; Pétroff, P; Poggioli, Luc; Pospelov, G E; Pralavorio, Pascal; Prast, J; Przysiezniak, H; Puzo, P; Radeka, V; Rahm, David Charles; Rajagopalan, S; Raymond, M; Renardy, J F; Repetti, B; Rescia, S; Resconi, S; Riccadona, X; Richer, J P; Rijssenbeek, M; Rodier, S; Rossel, F; Rousseau, D; Rydström, S; Saboumazrag, S; Sauvage, D; Sauvage, G; Schilly, P; Schwemling, P; Schwindling, J; Seguin-Moreau, N; Seidl, W; Seman, M; Serin, L; Shousharo, A; Simion, S; Sippach, W; Snopkov, R; Steffens, J; Stroynowski, R; Stumer, I; Taguet, J P; Takai, H; Talyshev, A A; Tartarelli, F; Teiger, J; Thion, J; Tikhonov, Yu A; Tisserant, S; Tocut, V; Tóth, J; Veillet, J J; Vossebeld, Joost Herman; Vuillemin, V; Wielers, M; Willis, W J; Wingerter-Seez, I; Ye, J; Yip, K; Zerwas, D; Zitoun, R; Zolnierowski, Y

    2003-01-01

    The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like electronics has been studied. The signal to noise ratio for muons has been found to be 7.11+-0.07. An energy resolution of better than 9.5% GeV^1/2/sqrt{E} (sampling term) has been obtained with electron beams of up to 245GeV. The uniformity of the response to electrons in an area of Delta_eta x Delta_phi = 1.2 x 0.075 has been measured to be better than 0.8%.

  13. Investigations of Calorimeter Clustering in ATLAS using Machine Learning

    CERN Document Server

    AUTHOR|(CDS)2153685

    The Large Hadron Collider (LHC) at CERN is designed to search for new physics by colliding protons with a center-of-mass energy of 13 TeV. The ATLAS detector is a multipurpose particle detector built to record these proton-proton collisions. In order to improve sensitivity to new physics at the LHC, luminosity increases are planned for 2018 and beyond. With this greater luminosity comes an increase in the number of simultaneous proton-proton collisions per bunch crossing (pile-up). This extra pile- up has adverse effects on algorithms for clustering the ATLAS detector's calorimeter cells. These adverse effects stem from overlapping energy deposits originating from distinct particles and could lead to diffculties in accurately reconstructing events. Machine learning algorithms provide a new tool that has potential to clustering per- formance. Recent developments in computer science have given rise to new set of machine learning algorithms that, in many circumstances, out-perform more conven- tional algorithms....

  14. Status of the ATLAS tile hadronic calorimeter production

    CERN Document Server

    Henriques, A

    2002-01-01

    The status of the construction of the ATLAS TILECAL hadron calorimeter is reported. The various aspects of the construction started at the end of 1998: mechanics, optics, instrumentation, certification and final integration will be presented. At present 80% of the 3 cylinders: 1 barrel and 2 extended barrels is fully instrumented and stored at CERN. Various quality control steps are done during the components production and during the modules instrumentation. An evaluation of the modules uniformity extracted during the final certification using a radioactive /sup 137/Cs source is shown. The status of the electronics production and the modules performance extracted during the calibration with particle beams are described in other talks of this conference presented by M. Varanda, F. Martin and S. Nemecek. (2 refs).

  15. The magnetized steel and scintillator calorimeters of the MINOS experiment

    Energy Technology Data Exchange (ETDEWEB)

    Michael, : D.G.

    2008-05-01

    The Main Injector Neutrino Oscillation Search (MINOS) experiment uses an accelerator-produced neutrino beam to perform precision measurements of the neutrino oscillation parameters in the 'atmospheric neutrino' sector associated with muon neutrino disappearance. This long-baseline experiment measures neutrino interactions in Fermilab's NuMI neutrino beam with a near detector at Fermilab and again 735 km downstream with a far detector in the Soudan Underground Laboratory in northern Minnesota. The two detectors are magnetized steel-scintillator tracking calorimeters. They are designed to be as similar as possible in order to ensure that differences in detector response have minimal impact on the comparisons of event rates, energy spectra and topologies that are essential to MINOS measurements of oscillation parameters. The design, construction, calibration and performance of the far and near detectors are described in this paper.

  16. Single-Particle Response in the CMS Calorimeters

    CERN Document Server

    CMS Collaboration

    2010-01-01

    The single-particle response in the prototype CMS calorimeters has been measured in a test beam environment using hadron beams over a large range of energy and the data were used to tune the CMS simulation software. Strategies for measuring single-particle response from collision data at the Large Hadron Collider have been developed using isolated charged hadrons. The criteria to select isolated charged particles are optimized in order to maximize the signal containment, while minimizing contamination from other sources. Response functions are determined for the final detector configuration, which includes effects from additional dead material not present in the test beam environment, using collision data with the center of mass energy of 7 TeV. These measurements are compared with Monte Carlo predictions tuned to the test beam data.

  17. Test of interaction models with the KASCADE hadron calorimeter

    Energy Technology Data Exchange (ETDEWEB)

    Milkea, J. E-mail: jens.milke@ik.fzk.de; Antonib, T.; Apel, W.D.; Badea, F.; Bekk, K.; Bercuci, A.; Bluemer, H.; Bozdog, H.; Brancus, I.M.; Buettner, C.; Chilingarian, A.; Daumiller, K.; Doll, P.; Engler, J.; Fessler, F.; Gils, H.J.; Glasstetter, R.; Haeusler, R.; Haungs, A.; Heck, D.; Hoerandel, J.R.; Iwan, A.; Kampert, K.-H.; Klages, H.O.; Maier, G.; Mathes, H.J.; Mayer, H.J.; Mueller, M.; Obenland, R.; Oehlschlaegera, J.; Ostapchenko, S.; Petcu, M.; Rebel, H.; Risse, M.; Roth, M.; Schatz, G.; Schieler, H.; Scholz, J.; Thouw, T.; Ulrich, H.; Weber, J.H.; Weindl, A.; Wentz, J.; Wochele, J.; Zabierowski, J

    2003-07-01

    The interpretation of extensive air shower measurements often requires the comparison with EAS simulations. These calculations rely on hadronic interaction models which have to extrapolate into kinematical and energy regions not covered by present-day collider experiments. The KASCADE experiment with its large hadron calorimeter and its detectors for the electromagnetic and muonic components provides experimental data to check hadronic interaction models. For the EAS simulations the program CORSIKA with several hadronic event generators embedded is used. Different hadronic observables are investigated as well as their correlations with the electromagnetic and muonic components. Comparing the interaction models QGSJET 98, NEXUS II, and DPMJET 11.5, it is found, that QGSJET describes the data best.

  18. A high precision calorimeter for the SOX experiment

    Science.gov (United States)

    Papp, L.; Agostini, M.; Altenmüller, K.; Appel, S.; Caminata, A.; Cereseto, R.; Di Noto, L.; Farinon, S.; Musenich, R.; Neumair, B.; Oberauer, L.; Pallavicini, M.; Schönert, S.; Testera, G.; Zavatarelli, S.

    2016-07-01

    The SOX (Short distance neutrino Oscillations with BoreXino) experiment is being built to discover or reject eV-scale sterile neutrinos by observing short baseline oscillations of active-to-sterile neutrinos [1]. For this purpose, a 100 kCi 144Ce-144Pr antineutrino generator (CeSOX) will be placed under the BOREXINO detector at the Laboratori Nazionali del Gran Sasso. Thanks to its large size and very low background, BOREXINO is an ideal detector to discover or reject eV-scale sterile neutrinos. To reach the maximal sensitivity, we aim at determining the neutrino flux emitted by the antineutrino generator with a < 1 % accuracy. With this goal, TU München and INFN Genova are developing a vacuum calorimeter, which is designed to measure the source-generated heat with high accuracy.

  19. Data Quality Monitoring for the CMS Electromagnetic Calorimeter

    CERN Document Server

    Della Ricca, Giuseppe

    2007-01-01

    One of the CMS design objectives is to construct and operate a very high quality electromagnetic calorimeter. The detector performance will be monitored using applications based on the CMS Data Quality Monitoring (DQM) framework and running on the High-Level Trigger Farm as well as on local DAQ systems. The monitorable quantities are organized into hierarchical structures based on the physics content. The information produced is delivered to client applications according to their subscription requests. The client applications process the received quantities, according to pre-defined analyses, making the results immediately available, and store the results in a database, and in the form of static web pages, for subsequent studies. We describe here the functionalities of the CMS ECAL DQM applications and report about their use in a real environment.

  20. The Data Quality Monitoring for the CMS Electromagnetic Calorimeter

    CERN Document Server

    Della Ricca, Giuseppe; Franzoni, Giovanni; Gobbo, Benigno

    2008-01-01

    The detector performance of the CMS electromagnetic calorimeter is monitored using applications based on the CMS Data Quality Monitoring (DQM) framework and running on the High-Level Trigger Farm as well as on local DAQ systems. The monitorable quantities are organized into hierarchical structures based on the physics content. The information produced is accessible by client applications according to their subscription requests. The client applications process the received quantities, according to pre-defined analyses, making the results immediately available, while also storing the results in a database, and in the form of static web pages, for subsequent studies. We describe here the functionalities of the CMS ECAL DQM applications and report about their use in real environments.

  1. Neural Online Filtering Based on Preprocessed Calorimeter Data

    CERN Document Server

    Torres, R C; The ATLAS collaboration; de Simas Filho, E F; De Seixas, J M

    2009-01-01

    Aiming at coping with LHC high event rate, the ATLAS collaboration has been designing a sophisticated three-level online triggering system. A significant number of interesting events decays into electrons, which have to be identified from a huge background noise. This work proposes a high-efficient L2 electron / jet discrimination algorithm based on artificial neural processing fed from preprocessed calorimeter information. The feature extraction part of the proposed system provides a ring structure for data description. Energy normalization is later applied to the rings, making the proposed system usable for a broad energy spectrum. Envisaging data compaction, Principal Component Analysis and Principal Component of Discrimination are compared in terms of both compaction rates and classification efficiency. For the pattern recognition section, an artificial neural network was employed. The proposed algorithm was able to achieve an electron detection efficiency of 96% for a false alarm of 7%.

  2. The Optical Instrumentation of the ATLAS Tile Calorimeter

    CERN Document Server

    Abdallah, J; Alexa, C; Alves, R; Amaral, P; Ananiev, A; Anderson, K; Andresen, X; Antonaki, A; Batusov, V; Bednar, P; Bergeaas, E; Biscarat, C; Blanch, O; Blanchot, G; Bohm, C; Boldea, V; Bosi, F; Bosman, M; Bromberg, C; Budagov, Yu A; Calvet, D; Cardeira, C; Carli, T; Carvalho, J; Cascella, M; Castillo, M V; Costelo, J; Cavalli-Sforza, M; Cavasinni, V; Cerqueira, A S; Clément, C; Cobal, M; Cogswell, F; Constantinescu, S; Costanzo, D; Da Silva, P; David, M; Davidek, T; Dawson, J; De, K; Del Prete, T; Diakov, E; Di Girolamo, B; Dita, S; Dolejsi, J; Dolezal, Z; Dotti, A; Downing, R; Drake, G; Efthymiopoulos, I; Errede, D; Errede, S; Farbin, A; Fassouliotis, D; Feng, E; Fenyuk, A; Ferdi, C; Ferreira, B C; Ferrer, A; Flaminio, V; Flix, J; Francavilla, P; Fullana, E; Garde, V; Gellerstedt, K; Giakoumopoulou, V; Giangiobbe, V; Gildemeister, O; Gilewsky, V; Giokaris, N; Gollub, N; Gomes, A; González, V; Gouveia, J; Grenier, P; Gris, P; Guarino, V; Guicheney, C; Sen-Gupta, A; Hakobyan, H; Haney, M; Hellman, S; Henriques, A; Higón, E; Hill, N; Holmgren, S; Hruska, I; Hurwitz, M; Huston, J; Jen-La Plante, I; Jon-And, K; Junk, T; Karyukhin, A; Khubua, J; Klereborn, J; Konsnantinov, V; Kopikov, S; Korolkov, I; Krivkova, P; Kulchitsky, Y; Kurochkin, Yu; Kuzhir, P; Lapin, V; Le Compte, T; Lefèvre, R; Leitner, R; Li, J; Liablin, M; Lokajícek, M; Lomakin, Y; Lourtie, P; Lovas, L; Lupi, A; Maidantchik, C; Maio, A; Maliukov, S; Manousakis, A; Marques, C; Marroquim, F; Martin, F; Mazzoni, E; Merritt, F S; Myagkov, A; Miller, R; Minashvili, I; Miralles, L; Montarou, G; Némécek, S; Nessi, M; Nikitine, I; Nodulman, L; Norniella, O; Onofre, A; Oreglia, M; Palan, B; Pallin, D; Pantea, D; Pereira, A; Pilcher, J E; Pina, J; Pinhão, J; Pod, E; Podlyski, F; Portell, X; Poveda, J; Pribyl, L; Price, L E; Proudfoot, J; Ramalho, M; Ramstedt, M; Raposeiro, L; Reis, J; Richards, R; Roda, C; Romanov, V; Rosnet, R; Roy, P; Ruiz, A; Rumiantsau, V; Russakovich, N; Sada Costa, J; Salto, O; Salvachúa, B; Sanchis, E; Sanders, H; Santoni, C; Santos, J; Saraiva, J G; Sarri, F; Says, L P; Schlager, G; Schlereth, J L; Seixas, J M; Selldén, B; Shalanda, N; Shevtsov, P; Shochet, M; Silva, J; Simaitis, V; Simonyan, M; Sisakian, A; Sjölin, J; Solans, C; Solodkov, A; Solovyanov, O; Sosebee, M; Spanó, F; Speckmeyer, P; Stanek, R; Starchenko, E; Starovoitov, P; Suk, M; Sykora, I; Tang, F; Tas, P; Teuscher, R; Tischenko, M; Tokar, S; Topilin, N; Torres, J; Underwood, D; Usai, G; Valero, A; Valkár, S; Valls, J A; Vartapetian, A; Vazielle, F; Vellidis, C; Ventura, F; Vichou, I; Vivarelli, I; Volpi, M; White, A; Zaitsev, A; Zaytsev, Yu; Zenin, A; Zenis, T; Zenonos, Z; Zenz, S; Zilka, B

    2013-01-01

    The purpose of this Note is to describe the optical assembly procedure called here Optical Instrumentation and the quality tests conducted on the assembled units. Altogether, 65 Barrel (or LB) modules were constructed - including one spare - together with 129 Extended Barrel (EB) modules (including one spare). The LB modules were mechanically assembled at JINR (Dubna, Russia) and transported to CERN, where the optical instrumentation was performed with personnel contributed by several Institutes. The modules composing one of the two Extended Barrels (known as EBA) were mechanically assembled in the USA, and instrumented in two US locations (ANL, U. of Michigan), while the modules of the other Extended barrel (EBC) were assembled in Spain and instrumented at IFAE (Barcelona). Each of the EB modules includes a subassembly known as ITC that contributes to the hermeticity of the calorimeter; all ITCs were assembled at UTA (Texas), and mounted onto the module mechanical structures at the EB mechanical assembly loc...

  3. The NA62 Liquid Krypton calorimeter data acquisition upgrade

    CERN Document Server

    Hallgren, Bjorn; Piccini, Mauro; Wendler, Helmut; 10.1109/NSSMIC.2008.4774802

    2009-01-01

    The NA62 experiment at CERN, aiming to start data taking in 2011, intends to measure the branching ratio of extremely rare kaon decays. The existing Liquid Krypton (LKr) calorimeter of the NA48 experiment will play an essential role in the new experiment. For this reason a program for the consolidation of the LKr read-out system was launched in 2006. The first part of the program consists of updating the existing data acquisition system to a modern more reliable technology using Gigabit Ethernet and PC-farm. In the second stage the readout event rate has to be increased from 13 kHz to 1 MHz. Methods to do this, while keeping much of the existing analog system, are discussed.

  4. Cal