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Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb(-1) of ATLAS Data
ATLAS collaboration
2012
发表期刊PHYSICAL REVIEW LETTERS
卷号109期号:21
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at root s = 7 TeV. The measurement is based on 4.7 fb(-1) of data collected with the ATLAS detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP). The data are found to be consistent with standard model expectations. Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV.
关键词SUPERGAUGE TRANSFORMATIONS SUPERSYMMETRY MODEL PARTICLE CURRENTS MASSES QUARK PIONS WEAK
学科领域Physics
DOI10.1103/PhysRevLett.109.211803
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000311284200003
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被引频次:68[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/311005/213387
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb(-1) of ATLAS Data[J]. PHYSICAL REVIEW LETTERS,2012,109(21).
APA ATLAS collaboration.(2012).Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb(-1) of ATLAS Data.PHYSICAL REVIEW LETTERS,109(21).
MLA ATLAS collaboration."Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in root s=7 TeV pp Collisions Using 4.7 fb(-1) of ATLAS Data".PHYSICAL REVIEW LETTERS 109.21(2012).
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