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Search for W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV
CMS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号5
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results are presented from a search for the production of a heavy gauge boson W' decaying into a top and a bottom quark, using a data set collected by the CMS experiment at root s = 8 TeV and corresponding to an integrated luminosity of 19.5 fb(-1). Various models of W'-boson production are studied by allowing for an arbitrary combination of left-and right-handed couplings. The analysis is based on the detection of events with a lepton (e, mu), jets, and missing transverse energy in the final state. No evidence for W'-boson production is found and 95% confidence level upper limits on the production cross section times branching fraction are obtained. For W' bosons with purely right-handed couplings, and for those with left-handed couplings assuming no interference effects, the observed 95% confidence level limit is M(W') > 2.05TeV. For W' bosons with purely left-handed couplings, including interference effects, the observed 95% confidence level limit is M(W') > 1.84 TeV. The results presented in this paper are the most stringent limits published to date.
关键词TOP-QUARK RESONANCES EVENTS MODEL
学科领域Physics
DOI10.1007/JHEP05(2014)108
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000338207600001
引用统计
被引频次:15[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/311005/213729
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 W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(5).
APA CMS Collaboration.(2014).Search for W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV.JOURNAL OF HIGH ENERGY PHYSICS(5).
MLA CMS Collaboration."Search for W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV".JOURNAL OF HIGH ENERGY PHYSICS .5(2014).
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