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Search for direct top squark pair production in events with a boson, -jets and missing transverse momentum in TeV collisions with the ATLAS detector
ATLAS collaboration
2014
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号74期号:6
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
摘要A search is presented for direct top squark pair production using events with at least two leptons including a same-flavour opposite-sign pair with invariant mass consistent with the boson mass, jets tagged as originating from -quarks and missing transverse momentum. The analysis is performed with proton-proton collision data at collected with the ATLAS detector at the LHC in 2012 corresponding to an integrated luminosity of 20.3 fb. No excess beyond the Standard Model expectation is observed. Interpretations of the results are provided in models based on the direct pair production of the heavier top squark state () followed by the decay to the lighter top squark state () via , and for pair production in natural gauge-mediated supersymmetry breaking scenarios where the neutralino () is the next-to-lightest supersymmetric particle and decays producing a boson and a gravitino () via the process.
关键词DYNAMICAL SUPERSYMMETRY BREAKING ROOT-S=7 TEV SUPERGAUGE TRANSFORMATIONS HADRON COLLIDERS PP COLLISIONS FINAL-STATES MODEL PARTICLE EXTENSION CURRENTS
学科领域Physics
DOI10.1140/epjc/s10052-014-2883-6
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000337043800001
引用统计
被引频次:7[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/311005/213722
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 events with a boson, -jets and missing transverse momentum in TeV collisions with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2014,74(6).
APA ATLAS collaboration.(2014).Search for direct top squark pair production in events with a boson, -jets and missing transverse momentum in TeV collisions with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,74(6).
MLA ATLAS collaboration."Search for direct top squark pair production in events with a boson, -jets and missing transverse momentum in TeV collisions with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 74.6(2014).
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