Performance of the ATLAS Level-1 topological trigger in Run 2

被引：9

作者：

Aad, G. ^{[157
]}

Abbott, B. ^{[187
]}

Abbott, D. C. ^{[158
]}

Abud, A. Abed ^{[60
]}

Abeling, K. ^{[81
]}

Abhayasinghe, D. K. ^{[148
]}

Abidi, S. H. ^{[49
]}

AbouZeid, O. S. ^{[64
]}

Abraham, N. L. ^{[225
]}

Abramowicz, H. ^{[231
]}

Abreu, H. ^{[230
]}

Abulaiti, Y. ^{[8
]}

Abusleme Hoffman, A. C. ^{[211
]}

Acharya, B. S. ^{[104
,105
,268
]}

Achkar, B. ^{[81
]}

Adam, L. ^{[155
]}

Bourdarios, C. Adam ^{[7
]}

Adamczyk, L. ^{[134
]}

Adamek, L. ^{[237
]}

Adelman, J. ^{[178
]}

Adiguzel, A. ^{[16
]}

Adorni, S. ^{[82
]}

Adye, T. ^{[208
]}

Affolder, A. A. ^{[210
]}

Afik, Y. ^{[230
]}

Agapopoulou, C. ^{[102
]}

Agaras, M. N. ^{[62
]}

Aggarwal, A. ^{[175
]}

Agheorghiesei, C. ^{[43
]}

Aguilar-Saavedra, J. A. ^{[198
,203
,280
]}

Ahmad, A. ^{[60
]}

Ahmadov, F. ^{[128
]}

Ahmed, W. S. ^{[159
]}

Ai, X. ^{[72
,73
]}

Aielli, G. ^{[119
,120
]}

Akatsuka, S. ^{[137
]}

Akbiyik, M. ^{[155
]}

Akesson, T. P. A. ^{[151
]}

Akilli, E. ^{[82
]}

Akimov, A., V ^{[166
]}

Al Khoury, K. ^{[63
]}

Alberghi, G. L. ^{[35
,36
,37
]}

Albert, J. ^{[248
]}

Verzini, M. J. Alconada ^{[231
]}

Alderweireldt, S. ^{[60
]}

Aleksa, M. ^{[60
]}

Aleksandrov, I. N. ^{[128
]}

Alexa, C. ^{[42
]}

Alexopoulos, T. ^{[12
]}

Alfonsi, A. ^{[176
,177
]}

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] Istanbul Aydin Univ, Applicat & Res Ctr Adv Studies, Istanbul, Turkey

[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey

[7] Univ Savoie Mt Blanc, LAPP, CNRS IN2P3, Annecy, France

[8] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA

[9] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[10] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA

[11] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece

[12] Natl Tech Univ Athens, Phys Dept, Zografos, Greece

[13] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[14] Bahcesehir Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[15] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[16] Bogazici Univ, Dept Phys, Istanbul, Turkey

[17] Gaziantep Univ, Dept Phys Engn, Gaziantep, Turkey

[18] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

[19] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Barcelona, Spain

[20] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[21] Tsinghua Univ, Phys Dept, Beijing, Peoples R China

[22] Nanjing Univ, Dept Phys, Nanjing, Peoples R China

[23] Univ Chinese Acad Sci UCAS, Beijing, Peoples R China

[24] Univ Belgrade, Inst Phys, Belgrade, Serbia

[25] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[26] Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA USA

[27] Univ Calif Berkeley, Berkeley, CA 94720 USA

[28] Humboldt Univ, Inst Phys, Berlin, Germany

[29] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[30] Univ Bern, Lab High Energy Phys, Bern, Switzerland

[31] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[32] Univ Antonio Narino, Fac Ciencias, Bogota, Colombia

[33] Univ Antonio Narino, Ctr Invest, Bogota, Colombia

[34] Univ Nacl Colombia, Dept Fis, Bogota, Colombia

[35] INFN Bologna, Dipartimento Fis, Bologna, Italy

[36] Univ Bologna, Bologna, Italy

[37] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

[38] Univ Bonn, Phys Inst, Bonn, Germany

[39] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA

[40] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[41] Transilvania Univ Brasov, Brasov, Romania

[42] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[43] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania

[44] Natl Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, Romania

[45] Univ Politehn Bucuresti, Bucharest, Romania

[46] West Univ Timisoara, Timisoara, Romania

[47] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[48] Slovak Acad Sci, Dept Subnucl Phys, Inst Expt Phys, Kosice, Slovakia

[49] Brookhaven Natl Lab, Dept Phys, Phys Dept, Upton, NY 11973 USA

[50] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

来源：

EUROPEAN PHYSICAL JOURNAL C | 2022年 / 82卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 巴西圣保罗研究基金会; 欧盟地平线“2020”;

关键词：

Elementary particles - Topology;

D O I：

10.1140/epjc/s10052-021-09807-0

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：

During LHC Run 2 (2015-2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.1 x10(34) cm(-2) s(-1), which exceeds the design value by a factor of two. The system was installed in 2016 and operated in 2017 and 2018. It uses Field Programmable Gate Array processors to select interesting events by placing kinematic and angular requirements on electromagnetic clusters, jets, tau-leptons, muons and the missing transverse energy. It allowed to significantly improve the background event rejection and signal event acceptance, in particular for Higgs and B-physics processes.

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页数：26

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