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Search for pair production of excited top quarks in the lepton plus jets final state
CMS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号6
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search is performed for pair-produced spin-3/2 excited top quarks , each decaying to a top quark and a gluon. The search uses data collected with the CMS detector from pp collisions at a center-of-mass energy of = 8 TeV, selecting events that have a single isolated muon or electron, an imbalance in transverse momentum, and at least six jets, of which one must be compatible with originating from the fragmentation of a b quark. The data, corresponding to an integrated luminosity of 19.5 fb(-1), show no significant excess over standard model predictions, and provide a lower limit of 803 GeV at 95% confidence on the mass of the spin-3/2 t(*) quark in an extension of the Randall-Sundrum model, assuming a 100% branching fraction of its decay into a top quark and a gluon. This is the first search for a spin-3/2 excited top quark performed at the LHC.
关键词LHC COLLIDERS BOSON MASS
学科领域Physics
DOI10.1007/JHEP06(2014)125
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000338448300001
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/311005/213733
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 pair production of excited top quarks in the lepton plus jets final state[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(6).
APA CMS Collaboration.(2014).Search for pair production of excited top quarks in the lepton plus jets final state.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA CMS Collaboration."Search for pair production of excited top quarks in the lepton plus jets final state".JOURNAL OF HIGH ENERGY PHYSICS .6(2014).
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