The performance of the CMS muon detector in proton-proton collisions at √s= 7 TeV at the LHC

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 04 Nov 2013Embargo end date: 01 Jan 2013 Italy, United Kingdom, Croatia, France, Italy, Italy, Turkey, Italy, Portugal, Italy, Italy, Spain, Belgium, France, United Kingdom, Italy, Italy, United Kingdom, Italy, Italy, Belgium, Italy, France, Germany, Italy, Italy, Greece, Italy, Germany, Belgium, Italy, Hungary, United States, Italy, Italy, Italy, Brazil, Italy, Italy, Belgium, United States Publisher:IOP PublishingJournal:Journal of Instrumentation, volume 8, pages P11002-P11002 (eissn: 1748-0221,

Copyright policy )Funded by:SNSF | The study of dark matter ..., SNSF | Search for New Physics an..., SNSF | Search for the Higgs boso...

Authors: S. Chatrchyan; V. Khachatryan; A. M. Sirunyan; A. Tumasyan; W. Adam; E. Aguilo; T. Bergauer; +193 Authors

S. Chatrchyan; V. Khachatryan; A. M. Sirunyan; A. Tumasyan; W. Adam; E. Aguilo; T. Bergauer; M. Dragicevic; J. Eroe; C. Fabjan; M. Friedl; R. Fruehwirth; V. M. Ghete; N. Hoermann; J. Hrubec; M. Jeitler; W. Kiesenhofer; V. Knuenz; M. Krammer; I. Kraetschmer; D. Liko; I. Mikulec; M. Pernicka; D. Rabady; B. Rahbaran; C. Rohringer; H. Rohringer; R. Schoefbeck; J. Strauss; A. Taurok; W. Waltenberger; C. . . E.; V. Mossolov; N. Shumeiko; J. S. Gonzalez; M. Bansal; S. Bansal; T. Cornelis; E. A. De; X. Janssen; S. Luyckx; L. Mucibello; S. Ochesanu; B. Roland; R. Rougny; M. Selvaggi; H. V. Haevermaet; P. V. Mechelen; N. V. Remortel; A. V. Spilbeeck; F. Blekman; S. Blyweert; J. D'Hondt; R. G. Suarez; A. Kalogeropoulos; M. Maes; A. Olbrechts; W. V. Doninck; P. V. Mulders; G. P. Van; I. Villella; B. Clerbaux; G. D. Lentdecker; V. Dero; A. P. R.; T. Hreus; A. Leonard; P. E. Marage; A. Mohammadi; T. Reis; L. Thomas; C. V. Velde; P. Vanlaer; J. Wang; V. Adler; K. Beernaert; A. Cimmino; S. Costantini; G. Garcia; M. Grunewald; B. Klein; J. Lellouch; A. Marinov; J. Mccartin; A. A. Ocampo; D. Ryckbosch; N. Strobbe; F. Thyssen; M. Tytgat; S. Walsh; E. Yazgan; N. Zaganidis; S. Basegmez; G. Bruno; R. Castello; L. Ceard; C. Delaere; T. d. Pree; D. Favart; L. Forthomme; A. Giammanco; J. Hollar; V. Lemaitre; J. Liao; O. Militaru; C. Nuttens; D. Pagano; A. Pin; K. Piotrzkowski; J. M. Vizan; N. Beliy; T. Caebergs; E. Daubie; G. H. Hammad; G. A. Alves; M. C. Martins; T. Martins; M. E. Pol; M. H. G.; W. L. Alda; W. Carvalho; A. Custodio; E. M. Da; D. D. Jesus; C. D. Oliveira; S. F. De; H. Malbouisson; M. Malek; D. M. Figueiredo; L. Mundim; H. Nogima; W. L. Prado; A. Santoro; L. S. Jorge; A. Sznajder; A. V. Pereira; T. S. Anjos; C. A. Bernardes; F. A. Dias; T. R. Fernandez; E. M. Gregores; C. Lagana; F. Marinho; P. G. Mercadante; S. F. Novaes; S. S. Padula; V. Genchev; P. Iaydjiev; S. Piperov; M. Rodozov; S. Stoykova; G. Sultanov; V. Tcholakov; R. Trayanov; M. Vutova; A. Dimitrov; R. Hadjiiska; V. Kozhuharov; L. Litov; B. Pavlov; P. Petkov; J. G. Bian; G. M. Chen; H. S. Chen; C. H. Jiang; D. Liang; S. Liang; X. Meng; J. Tao; J. Wang; X. Wang; Z. Wang; H. Xiao; M. Xu; J. Zang; Z. Zhang; C. Asawatangtrakuldee; Y. Ban; Y. Guo; Q. Li; W. Li; S. Liu; Y. Mao; S. J. Qian; D. Wang; L. Zhang; W. Zou; C. Avila; J. P. Gomez; B. G. Moreno; A. F. Osorio; J. C. Sanabria; N. Godinovic; D. Lelas; R. Plestina; D. Polic; I. Puljak; Z. Antunovic; M. Kovac; V. Brigljevic;

doi: 10.1088/1748-0221/8/11/p11002 , 10.48550/arxiv.1306.6905

arXiv: 1306.6905

The performance of the CMS muon detector in proton-proton collisions at √s= 7 TeV at the LHC

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Abstract

The performance of all subsystems of the CMS muon detector has been studied by using a sample of proton--proton collision data at sqrt(s) = 7 TeV collected at the LHC in 2010 that corresponds to an integrated luminosity of approximately 40 inverse picobarns. The measured distributions of the major operational parameters of the drift tube (DT), cathode strip chamber (CSC), and resistive plate chamber (RPC) systems met the design specifications. The spatial resolution per chamber was 80-120 micrometers in the DTs, 40-150 micrometers in the CSCs, and 0.8-1.2 centimeters in the RPCs. The time resolution achievable was 3 ns or better per chamber for all 3 systems. The efficiency for reconstructing hits and track segments originating from muons traversing the muon chambers was in the range 95-98%. The CSC and DT systems provided muon track segments for the CMS trigger with over 96% efficiency, and identified the correct triggering bunch crossing in over 99.5% of such events. The measured performance is well reproduced by Monte Carlo simulation of the muon system down to the level of individual channel response. The results confirm the high efficiency of the muon system, the robustness of the design against hardware failures, and its effectiveness in the discrimination of backgrounds.

Submitted to JINST. Replaced with version published

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Italy, United Kingdom, Croatia, France, Italy, Italy, Turkey, Italy, Portugal, Italy, Italy, Spain, Belgium, France, United Kingdom, Italy, Italy, United Kingdom, Italy, Italy, Belgium, Italy, France, Germany, Italy, Italy, Greece, Italy, Germany, Belgium, Italy, Hungary, United States, Italy, Italy, Italy, Brazil, Italy, Italy, Belgium, United States

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Institute for Nuclear Research
Russian Federation
California Institute of Technology
United States
Dokuz Eylül Üniversitesi Hastanesi
Turkey
Scuola Normale Superiore
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Keywords

Technology, Physics - Instrumentation and Detectors, Muon spectrometers; Particle tracking detectors; Particle tracking detectors (Gaseous detectors), PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, MWPC, High Energy Physics - Experiment (hep-ex), Particle tracking detectors, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, Instruments & Instrumentation, Fisica delle particelle, TRIGGER, info:eu-repo/classification/ddc/610, CMS, Physics, Muon spectrometers, ddc:530, Instruments and Instrumentation, LOCALIZATION, Instrumentation and Detectors (physics.ins-det), 001, SIMULATION, PARTICLE PHYSICS, physics, Simulation, Muon spectrometers, Particle tracking detectors, Particle tracking detectors (Gaseous detectors), [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], cms, Physique, chimie, mathématiques & sciences de la terre, Particle tracking detectors (Gaseous detectors), 610, FOS: Physical sciences, 530, Physical, chemical, mathematical & earth Sciences, RESISTIVE PLATE CHAMBERS, Muon spectrometer, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], detectors (Gaseous detectors), Science & Technology, Particle tracking, muon spectrometers; particle tracking detectors; particle tracking detectors (gaseous detectors), Physique, RESISTIVE PLATE CHAMBERS; BEAM TEST; TRIGGER; LOCALIZATION; SIMULATION; MWPC; LHC; CMS, LARGE HADRON COLLIDER, Particle tracking detector, Trigger, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], QC Physics / fizika, Localization, RESISTIVE PLATE CHAMBERS; BEAM TEST; TRIGGER; LOCALIZATION; SIMULATION; MWPC, BEAM TEST, Beam test

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