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Search for Gluinos in Events with Two Same-Sign Leptons, Jets, and Missing Transverse Momentum with the ATLAS Detector in pp Collisions at root s=7 TeV
ATLAS collaboration
2012
发表期刊PHYSICAL REVIEW LETTERS
卷号108期号:24
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 gluinos decaying via the supersymmetric partner of the top quark using events with two same-sign leptons, jets, and missing transverse momentum. The analysis is performed with 2: 05 fb(-1) of integrated luminosity from pp collisions at root s = 7 TeV collected by the ATLAS detector at the LHC. No excess beyond the standard model expectation is observed, and exclusion limits are derived for simplified models where the gluino decays via the supersymmetric partner of the top quark and in the minimal supergravity and constrained minimal supersymmetric standard model framework. In those scenarios, gluino masses below 550 GeV are excluded at 95% C.L. within the parameter space considered, significantly extending the coverage with respect to existing limits. Depending on the model parameters, gluino masses up to 750 GeV can also be excluded at 95% C.L.
关键词SUPERGAUGE TRANSFORMATIONS LOCAL SUPERSYMMETRY GRAND UNIFICATION FINAL-STATES MODEL DECAYS PIONS QCD
学科领域Physics
DOI10.1103/PhysRevLett.108.241802
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000306342000007
引用统计
被引频次:34[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/311005/213281
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 Gluinos in Events with Two Same-Sign Leptons, Jets, and Missing Transverse Momentum with the ATLAS Detector in pp Collisions at root s=7 TeV[J]. PHYSICAL REVIEW LETTERS,2012,108(24).
APA ATLAS collaboration.(2012).Search for Gluinos in Events with Two Same-Sign Leptons, Jets, and Missing Transverse Momentum with the ATLAS Detector in pp Collisions at root s=7 TeV.PHYSICAL REVIEW LETTERS,108(24).
MLA ATLAS collaboration."Search for Gluinos in Events with Two Same-Sign Leptons, Jets, and Missing Transverse Momentum with the ATLAS Detector in pp Collisions at root s=7 TeV".PHYSICAL REVIEW LETTERS 108.24(2012).
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