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Further search for supersymmetry at root s=7 TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector
ATLAS collaboration
2012
发表期刊PHYSICAL REVIEW D
卷号86期号:9
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要This work presents a new inclusive search for supersymmetry (SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy root s = 7 TeV in final states with jets, missing transverse momentum and one or more isolated electrons and/or muons. The search is based on data from the full 2011 data-taking period, corresponding to an integrated luminosity of 4.7 fb(-1). Single-lepton and multilepton channels are treated together in one analysis. An increase in sensitivity is obtained by simultaneously fitting the number of events in statistically independent signal regions, and the shapes of distributions within those regions. A dedicated signal region is introduced to be sensitive to decay cascades of SUSY particles with small mass differences ("compressed SUSY"). Background uncertainties are constrained by fitting to the jet-multiplicity distribution in background control regions. Observations are consistent with Standard Model expectations, and limits are set or extended on a number of SUSY models.
关键词PROTON-PROTON COLLISIONS SUPERGAUGE TRANSFORMATIONS PARTON DISTRIBUTIONS LOCAL SUPERSYMMETRY GRAND UNIFICATION MODEL BREAKING COLLABORATION GENERATORS EXTENSION
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.86.092002
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000310608800002
引用统计
被引频次:23[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/311005/213373
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. Further search for supersymmetry at root s=7 TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector[J]. PHYSICAL REVIEW D,2012,86(9).
APA ATLAS collaboration.(2012).Further search for supersymmetry at root s=7 TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector.PHYSICAL REVIEW D,86(9).
MLA ATLAS collaboration."Further search for supersymmetry at root s=7 TeV in final states with jets, missing transverse momentum, and isolated leptons with the ATLAS detector".PHYSICAL REVIEW D 86.9(2012).
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