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Search for supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets
CMS Collaboration
2014
发表期刊PHYSICS LETTERS B
卷号733页码:328-353
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results are reported from a search for supersymmetry in pp collisions at a center-of-mass energy of 8 TeV, based on events with a single isolated lepton (electron or muon) and multiple jets, at least two of which are identified as b jets. The data sample corresponds to an integrated luminosity of 19.3 fb(-1) recorded by the CMS experiment at the LHC in 2012. The search is motivated by supersymmetric models that involve strong-production processes and cascade decays of new particles. The resulting final states contain multiple jets as well as missing transverse momentum from weakly interacting particles. The event yields, observed across several kinematic regions, are consistent with the expectations from standard model processes. The results are interpreted in the context of simplified supersymmetric scenarios with pair production of gluinos, where each gluino decays to a top quark-antiquark pair and the lightest neutralino. For the case of decays via virtual top squarks, gluinos with a mass smaller than 1.26 TeV are excluded for low neutralino masses. (C) 2014 The Authors. Published by Elsevier B.V.
关键词SQUARK NATURALNESS STATISTICS PHYSICS STATES DECAY
学科领域Physics
DOI10.1016/j.physletb.2014.04.023
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000336430400056
引用统计
被引频次:62[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/311005/213712
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 supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets[J]. PHYSICS LETTERS B,2014,733:328-353.
APA CMS Collaboration.(2014).Search for supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets.PHYSICS LETTERS B,733,328-353.
MLA CMS Collaboration."Search for supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets".PHYSICS LETTERS B 733(2014):328-353.
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