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Searches for long-lived charged particles in pp collisions at root s=7 and 8 TeV
CMS Collaboration
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号7
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results of searches for heavy stable charged particles produced in pp collisions at root s = 7 and 8 TeV are presented corresponding to an integrated luminosity of 5.0 fb(-1) and 18.8 fb(-1), respectively. Data collected with the CMS detector are used to study the momentum, energy deposition, and time-of-flight of signal candidates. Leptons with an electric charge between e/3 and 8e, as well as bound states that can undergo charge exchange with the detector material, are studied. Analysis results are presented for various combinations of signatures in the inner tracker only, inner tracker and muon detector, and muon detector only. Detector signatures utilized are long time-of-flight to the outer muon system and anomalously high (or low) energy deposition in the inner tracker. The data are consistent with the expected background, and upper limits are set on the production cross section of long-lived gluinos, scalar top quarks, and scalar tau leptons, as well as pair produced long-lived leptons. Corresponding lower mass limits, ranging up to 1322 GeV/c(2) for gluinos, are the most stringent to date.
关键词ATLAS DETECTOR HADRON COLLIDERS E(+)E(-) ANNIHILATION DARK-MATTER HEAVY LHC SUPERSYMMETRY LEPTONS SQUARK
学科领域Physics
DOI10.1007/JHEP07(2013)122
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000323202900035
引用统计
被引频次:49[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/311005/213585
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Searches for long-lived charged particles in pp collisions at root s=7 and 8 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(7).
APA CMS Collaboration.(2013).Searches for long-lived charged particles in pp collisions at root s=7 and 8 TeV.JOURNAL OF HIGH ENERGY PHYSICS(7).
MLA CMS Collaboration."Searches for long-lived charged particles in pp collisions at root s=7 and 8 TeV".JOURNAL OF HIGH ENERGY PHYSICS .7(2013).
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