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Search for heavy stable charged particles in pp collisions at root s=7 TeV
CMS Collaboration
2011
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号3
通讯作者Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The result of a search at the LHC for heavy stable charged particles produced in pp collisions at root s = 7TeV is described. The data sample was collected with the CMS detector and corresponds to an integrated luminosity of 3.1 pb(-1). Momentum and ionization-energy-loss measurements in the inner tracker detector are used to identify tracks compatible with heavy slow-moving particles. Additionally, tracks passing muon identification requirements are also analyzed for the same signature. In each case, no candidate passes the selection, with an expected background of less than 0.1 events. A lower limit at the 95% confidence level on the mass of a stable gluino is set at 398 GeV/c(2), using a conventional model of nuclear interactions that allows charged hadrons containing this particle to reach the muon detectors. A lower limit of 311 GeV/c(2) is also set for a stable gluino in a conservative scenario of complete charge suppression, where any hadron containing this particle becomes neutral before reaching the muon detectors.
关键词DYNAMICAL SUPERSYMMETRY BREAKING HADRON COLLIDERS
学科领域Physics
DOI10.1007/JHEP03(2011)024
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000289295200024
引用统计
被引频次:22[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/311005/213034
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. Search for heavy stable charged particles in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(3).
APA CMS Collaboration.(2011).Search for heavy stable charged particles in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(3).
MLA CMS Collaboration."Search for heavy stable charged particles in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .3(2011).
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