The performance of the CMS muon detector in proton-proton collisions at root s=7 TeV at the LHC
CMS Collaboration
刊名JOURNAL OF INSTRUMENTATION
2013
卷号8
关键词RESISTIVE PLATE CHAMBERS BEAM TEST TRIGGER LOCALIZATION SIMULATION MWPC
学科分类Instruments & Instrumentation
DOI10.1088/1748-0221/8/11/P11002
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要The performance of all subsystems of the CMS muon detector has been studied by using a sample of proton-proton collision data at root s = 7TeV collected at the LHC in 2010 that corresponds to an integrated luminosity of approximately 40 pb(-1). 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 mu m in the DTs, 40-150 mu m in the CSCs, and 0.8-1.2 cm 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.
类目[WOS]Instruments & Instrumentation
收录类别SCI
语种英语
WOS记录号WOS:000329193500027
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213650
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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CMS Collaboration. The performance of the CMS muon detector in proton-proton collisions at root s=7 TeV at the LHC[J]. JOURNAL OF INSTRUMENTATION,2013,8.
APA CMS Collaboration.(2013).The performance of the CMS muon detector in proton-proton collisions at root s=7 TeV at the LHC.JOURNAL OF INSTRUMENTATION,8.
MLA CMS Collaboration."The performance of the CMS muon detector in proton-proton collisions at root s=7 TeV at the LHC".JOURNAL OF INSTRUMENTATION 8(2013).
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