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Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at root s=7 TeV with the ATLAS detector
ATLAS collaboration
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号1
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A search for direct chargino production in anomaly-mediated supersymmetry breaking scenarios is performed in p p collisions at root s = 7 TeV using 4.7 fb(-1) of data collected with the ATLAS experiment at the LHC. In these models, the lightest chargino is predicted to have a lifetime long enough to be detected in the tracking detectors of collider experiments. This analysis explores such models by searching for chargino decays that result in tracks with few associated hits in the outer region of the tracking system. The transverse-momentum spectrum of candidate tracks is found to be consistent with the expectation from the Standard Model background processes and constraints on chargino properties are obtained.
关键词MASS-DEGENERATE COLLIDERS ENERGIES
学科领域Physics
DOI10.1007/JHEP01(2013)131
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000315583600050
引用统计
被引频次:2[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/311005/213478
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
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ATLAS collaboration. Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at root s=7 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(1).
APA ATLAS collaboration.(2013).Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at root s=7 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(1).
MLA ATLAS collaboration."Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at root s=7 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .1(2013).
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