Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters
CMS Collaboration
刊名PHYSICAL REVIEW LETTERS
2015
卷号114页码:61801
学科分类Physics
DOI10.1103/PhysRevLett.114.061801
文章类型Article
英文摘要A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at root s = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an integrated luminosity of 19.7 fb(-1). Events are selected with an electron and muon with opposite charges that both have transverse impact parameter values between 0.02 and 2 cm. The search has been designed to be sensitive to a wide range of models with nonprompt e-mu final states. Limits are set on the "displaced supersymmetry" model, with pair production of top squarks decaying into an e-mu final state via R-parity-violating interactions. The results are the most restrictive to date on this model, with the most stringent limit being obtained for a top squark lifetime corresponding to c tau = 2 cm, excluding masses below 790 GeV at 95% confidence level.
类目[WOS]Physics, Multidisciplinary
收录类别SCI ; EI
WOS记录号WOS:000351206500002
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被引频次:5[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/311005/228265
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
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CMS Collaboration. Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters[J]. PHYSICAL REVIEW LETTERS,2015,114:61801.
APA CMS Collaboration.(2015).Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters.PHYSICAL REVIEW LETTERS,114,61801.
MLA CMS Collaboration."Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters".PHYSICAL REVIEW LETTERS 114(2015):61801.
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