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Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV
CMS Collaboration
2014
发表期刊PHYSICS LETTERS B
卷号738页码:274-293
通讯作者Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search for excited quarks decaying into the gamma + jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb(-1) collected by the CMS experiment in proton-proton collisions at root s = 8 TeV at the LHC. Events with photons and jets with high transverse momenta are selected and the gamma + jet invariant mass distribution is studied to search for a resonance peak. The 95% confidence level upper limits on the product of cross section and branching fraction are evaluated as a function of the excited quark mass. Limits on excited quarks are presented as a function of their mass and coupling strength; masses below 3.5 TeV are excluded at 95% confidence level for unit couplings to their standard model partners. (C) 2014 The Authors. Published by Elsevier B.V.
关键词PARTON DISTRIBUTIONS HADRON COLLIDERS LHC
学科领域Physics
DOI10.1016/j.physletb.2014.09.048
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000344624900043
引用统计
被引频次:20[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/311005/213813
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV[J]. PHYSICS LETTERS B,2014,738:274-293.
APA CMS Collaboration.(2014).Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV.PHYSICS LETTERS B,738,274-293.
MLA CMS Collaboration."Search for excited quarks in the gamma plus jet final state in proton-proton collisions at root s=8 TeV".PHYSICS LETTERS B 738(2014):274-293.
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