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Search for pair production of massive particles decaying into three quarks with the ATLAS detector in root s=7 TeV pp collisions at the LHC
ATLAS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号12
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 conducted for hadronic three-body decays of a new massive coloured particle in root s = 7 TeV p p collisions at the LHC using an integrated luminosity of 4.6 fb(-1) collected by the ATLAS detector. Supersymmetric gluino pair production in the context of a model with R-parity violation is used as a benchmark scenario. The analysis is divided into two search channels, each optimised separately for their sensitivity to high-mass and low-mass gluino production. The first search channel uses a stringent selection on the transverse momentum of the six leading jets and is performed as a counting experiment. The second search channel focuses on low-mass gluinos produced with a large boost. Large-radius jets are selected and the invariant mass of each of the two leading jets is used as a discriminant between the signal and the background. The results are found to be consistent with Standard Model expectations and limits are set on the allowed gluino mass.
关键词MISSING TRANSVERSE-MOMENTUM PROTON-PROTON COLLISIONS END-CAP CALORIMETER PARTON DISTRIBUTIONS SUPERGAUGE TRANSFORMATIONS BARREL CALORIMETER HADRON-COLLISIONS FINAL-STATES BEAM TESTS SUPERSYMMETRY
学科领域Physics
DOI10.1007/JHEP12(2012)086
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000313124000021
引用统计
被引频次:5[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/311005/213426
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 pair production of massive particles decaying into three quarks with the ATLAS detector in root s=7 TeV pp collisions at the LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(12).
APA ATLAS Collaboration.(2012).Search for pair production of massive particles decaying into three quarks with the ATLAS detector in root s=7 TeV pp collisions at the LHC.JOURNAL OF HIGH ENERGY PHYSICS(12).
MLA ATLAS Collaboration."Search for pair production of massive particles decaying into three quarks with the ATLAS detector in root s=7 TeV pp collisions at the LHC".JOURNAL OF HIGH ENERGY PHYSICS .12(2012).
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