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Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector
ATLAS collaboration
2012
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号72期号:4
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要New metastable massive particles with electric and colour charge are features of many theories beyond the Standard Model. A search is performed for long-lived gluino-based R-hadrons with the ATLAS detector at the LHC using a data sample corresponding to an integrated luminosity of 31 pb(-1). We search for evidence of particles that have come to rest in the ATLAS detector and decay at some later time during the periods in the LHC bunch structure without proton-proton collisions. No significant deviations from the expected backgrounds are observed, and a cross-section limit is set. It can be interpreted as excluding gluino-based R-hadrons with masses less than 341 GeV at the 95 % C.L., for lifetimes from 10(-5) to 10(3) seconds and a neutralino mass of 100 GeV.
关键词SPLIT SUPERSYMMETRY COLLIDERS
学科领域Physics
DOI10.1140/epjc/s10052-012-1965-6
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000304013800011
引用统计
被引频次:4[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/311005/213235
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 decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(4).
APA ATLAS collaboration.(2012).Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,72(4).
MLA ATLAS collaboration."Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 72.4(2012).
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