Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data

被引:186
作者
Aad, G. [118 ,119 ]
Abbott, B. [150 ]
Abdallah, J. [215 ]
Khalek, S. Abdel [154 ,155 ]
Abdinov, O. [15 ]
Aben, R. [144 ]
Abi, B. [151 ]
Abolins, M. [124 ]
AbouZeid, O. S. [223 ]
Abramowicz, H. [217 ]
Abreu, H. [216 ]
Abreu, R.
Abulaiti, Y. [208 ,209 ]
Acharya, B. S. [230 ,231 ]
Adamczyk, L. [61 ]
Adams, D. L. [39 ]
Adelman, J. [247 ]
Adomeit, S. [135 ]
Adye, T. [180 ]
Agatonovic-Jovin, T. [18 ]
Aguilar-Saavedra, J. A. [166 ,171 ,172 ]
Agustoni, M. [24 ,25 ]
Ahlen, S. P. [33 ]
Ahmadov, F. [93 ,250 ]
Aielli, G. [185 ,186 ]
Akerstedt, H. [208 ,209 ]
Akesson, T. P. A. [114 ]
Akimoto, G. [219 ,220 ]
Akimov, A. V. [131 ]
Alberghi, G. L. [30 ,31 ]
Albert, J. [240 ]
Albrand, S. [82 ]
Verzini, M. J. Alconada [99 ,100 ]
Aleksa, M.
Aleksandrov, I. N. [93 ]
Alexa, C. [40 ]
Alexander, G. [217 ]
Alexandre, G. [74 ]
Alexopoulos, T. [14 ]
Alhroob, M. [230 ,231 ]
Alimonti, G. [125 ]
Alio, L. [118 ,119 ]
Alison, J. [46 ]
Allbrooke, B. M. M. [26 ]
Allison, L. J. [101 ]
Allport, P. P. [104 ]
Almond, J. [117 ]
Aloisio, A. [39 ,66 ,71 ,73 ,140 ,141 ,229 ]
Alonso, A. [58 ,71 ]
Alonso, F. [99 ,100 ]
机构
[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia
[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA
[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada
[4] Ankara Univ, Dept Phys, Ankara, Turkey
[5] Gazi Univ, Dept Phys, Ankara, Turkey
[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey
[7] Turkish Atom Energy Commiss, Ankara, Turkey
[8] CNRS IN2P3, LAPP, Annecy Le Vieux, France
[9] Univ Savoie, Annecy Le Vieux, France
[10] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[11] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[12] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA
[13] Univ Athens, Dept Phys, Athens, Greece
[14] Natl Tech Univ Athens, Dept Phys, Zografos, Greece
[15] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan
[16] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain
[17] Univ Autonoma Barcelona, Dept Fis, E-08193 Barcelona, Spain
[18] Univ Belgrade, Inst Phys, Belgrade, Serbia
[19] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade, Serbia
[20] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[21] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA
[22] Univ Calif Berkeley, Berkeley, CA 94720 USA
[23] Humboldt Univ, Dept Phys, Berlin, Germany
[24] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland
[25] Univ Bern, High Energy Phys Lab, Bern, Switzerland
[26] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[27] Bogazici Univ, Dept Phys, Istanbul, Turkey
[28] Dogus Univ, Dept Phys, Istanbul, Turkey
[29] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey
[30] INFN Sez Bologna, Bologna, Italy
[31] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[32] Univ Bonn, Inst Phys, Bonn, Germany
[33] Boston Univ, Dept Phys, Boston, MA 02215 USA
[34] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA
[35] Univ Fed Rio De Janeiro COPPE EE IF, Rio De Janeiro, Brazil
[36] Fed Univ Juiz de Fora UFJF, Juiz De Fora, Brazil
[37] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil
[38] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil
[39] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[40] Natl Inst Phys & Nucl Engn, Bucharest, Romania
[41] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania
[42] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina
[43] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[44] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada
[45] CERN, Geneva, Switzerland
[46] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[47] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile
[48] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile
[49] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
[50] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China
来源
EUROPEAN PHYSICAL JOURNAL C | 2014年 / 74卷 / 10期
基金
巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会;
关键词
D O I
10.1140/epjc/s10052-014-3071-4
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
This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb(-1) of LHC proton-proton collision data taken at centre-of-mass energies of root s = 7 and 8 TeV. The reconstruction of electron and photon energies is optimised using multivariate algorithms. The response of the calorimeter layers is equalised in data and simulation, and the longitudinal profile of the electromagnetic showers is exploited to estimate the passive material in front of the calorimeter and reoptimise the detector simulation. After all corrections, the Z resonance is used to set the absolute energy scale. For electrons from Z decays, the achieved calibration is typically accurate to 0.05% in most of the detector acceptance, rising to 0.2% in regions with large amounts of passive material. The remaining inaccuracy is less than 0.2-1% for electrons with a transverse energy of 10 GeV, and is on average 0.3% for photons. The detector resolution is determined with a relative inaccuracy of less than 10% for electrons and photons up to 60 GeV transverse energy, rising to 40% for transverse energies above 500 GeV.
引用
收藏
页码:1 / 48
页数:48
相关论文
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