Readiness of the ATLAS liquid argon calorimeter for LHC collisions

被引:53
作者
Aad, G. [1 ]
Abbott, B. [126 ]
Abdallah, J. [13 ]
Abdelalim, A. A. [57 ]
Abdesselam, A. [133 ]
Abdinov, O. [12 ]
Abi, B. [127 ]
Abolins, M. [100 ]
Abramowicz, H. [177 ]
Abreu, H. [130 ]
Acharya, B. S. [190 ,191 ]
Adams, D. L. [29 ]
Addy, T. N. [66 ]
Adelman, J. [205 ]
Adorisio, C. [44 ,45 ]
Adragna, P. [89 ]
Adye, T. [148 ]
Aefsky, S. [27 ]
Aguilar-Saavedra, J. A. [141 ,142 ]
Aharrouche, M. [95 ]
Ahlen, S. P. [26 ]
Ahles, F. [56 ]
Ahmad, A. [172 ]
Ahmed, H. [4 ]
Ahsan, M. [49 ]
Aielli, G. [153 ,154 ]
Akdogan, T. [22 ]
Akesson, T. P. A. [93 ]
Akimoto, G. [179 ,180 ]
Akimov, A. V. [108 ]
Aktas, A. [56 ]
Alam, M. S. [3 ]
Alam, M. A. [90 ]
Albert, J. [199 ]
Albrand, S. [65 ]
Aleksa, M. [2 ]
Aleksandrov, I. N. [77 ]
Alessandria, F. [102 ,103 ]
Alexa, C. [30 ]
Alexander, G. [177 ]
Alexandre, G. [57 ]
Alexopoulos, T. [11 ]
Alhroob, M. [25 ]
Aliev, M. [18 ]
Alimonti, G. [102 ]
Alison, J. [136 ]
Aliyev, M. [12 ]
Allport, P. P. [86 ]
Allwood-Spiers, S. E. [63 ]
Almond, J. [96 ]
机构
[1] Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France
[2] CERN, CH-1211 Geneva 23, Switzerland
[3] SUNY Albany, Albany, NY 12222 USA
[4] Univ Alberta, Dept Phys, Ctr Particle Phys, Edmonton, AB T6G 2G7, Canada
[5] Ankara Univ, Dept Phys, Fac Sci, TR-061000 Ankara, Turkey
[6] Univ Savoie, LAPP, CNRS IN2P3, Annecy Le Vieux, France
[7] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[8] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[9] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA
[10] Univ Athens, Dept Phys, GR-15771 Athens, Greece
[11] Natl Tech Univ Athens, Dept Phys, GR-15780 Zografos, Greece
[12] Azerbaijan Acad Sci, Inst Phys, AZ-143 Baku, Azerbaijan
[13] Univ Autonoma Barcelona, IFAE, Inst Fis Altes Energies, ES-08193 Bellaterra, Barcelona, Spain
[14] Univ Belgrade, Inst Phys, Belgrade 11001, Serbia
[15] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade 11001, Serbia
[16] Univ Bergen, Dept Phys & Technol, NO-5007 Bergen, Norway
[17] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA
[18] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
[19] Univ Bern, CH-3012 Bern, Switzerland
[20] Albert Einstein Ctr Fundamental Phys, High Energy Phys Lab, CH-3012 Bern, Switzerland
[21] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[22] Bogazici Univ, Fac Sci, Dept Phys, TR-80815 Bebek, Turkey
[23] Ist Nazl Fis Nucl, Sez Bologna, IT-40127 Bologna, Italy
[24] Univ Bologna, Dipartmento Fis, IT-40127 Bologna, Italy
[25] Univ Bonn, Inst Phys, D-53115 Bonn, Germany
[26] Boston Univ, Dept Phys, Boston, MA 02215 USA
[27] Brandeis Univ, Dept Phys, Waltham, MA 02454 USA
[28] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, Brazil
[29] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[30] Natl Inst Phys & Nucl Engn, R-077125 Bucharest, Romania
[31] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dto Fis, RA-1428 Buenos Aires, DF, Argentina
[32] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[33] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada
[34] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[35] Pontificia Univ Catolica Chile, Fac Fis, Dept Fis, Santiago 22, Chile
[36] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile
[37] Chinese Acad Sci, Inst HEP, Beijing 100049, Peoples R China
[38] USTC, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
[39] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[40] Shandong Univ, HEP Grp, Shadong 250100, Peoples R China
[41] Univ Clermont Ferrand, Lab Phys Corpusculaire, CNRS IN2P3, FR-63177 Aubiere, France
[42] Columbia Univ, Nevis Lab, Irvington, NY 10533 USA
[43] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen 0, Denmark
[44] Ist Nazl Fis Nucl, Grp Collegato Cosenza, IT-87036 Arcavacata Di Rende, Italy
[45] Univ Calabria, Dipartimento Fis, IT-87036 Arcavacata Di Rende, Italy
[46] AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland
[47] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[48] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA
[49] Univ Texas Dallas, Richardson, TX 75080 USA
[50] DESY, D-22603 Hamburg, Germany
来源
EUROPEAN PHYSICAL JOURNAL C | 2010年 / 70卷 / 03期
基金
英国科学技术设施理事会; 瑞士国家科学基金会; 加拿大自然科学与工程研究理事会; 瑞典研究理事会;
关键词
END-CAP CALORIMETER; RESOLUTION; CONSTRUCTION; ELECTRONICS; CALIBRATION;
D O I
10.1140/epjc/s10052-010-1354-y
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
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 using the ATLAS readout, data acquisition, and reconstruction software indicate that the liquid argon calorimeter is well-prepared for collisions at the dawn of the LHC era.
引用
收藏
页码:723 / 753
页数:31
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[Anonymous], CERNLHCC96041 ATLAS