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Search for a light charged Higgs boson in top quark decays in pp collisions at root s=7 TeV
CMS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号7
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results are presented on a search for a light charged Higgs boson that can be produced in the decay of the top quark t -> H(+)b and which, in turn, decays into tau(+)nu(tau). The analysed data correspond to an integrated luminosity of about 2 fb(-1) recorded in proton-proton collisions at root s = 7 TeV by the CMS experiment at the LHC. The search is sensitive to the decays of the top quark pairs t (t) over bar -> H(+/-)W(-/+)b (b) over bar and t (t) over bar -> H +/- H -/+ b (b) over bar. Various final states have been studied separately, all requiring presence of a tau lepton from H+ decays, missing transverse energy, and multiple jets. Upper limits on the branching fraction B(t -> H(+)b) in the range of 2-4% are established for charged Higgs boson masses between 80 and 160 GeV, under the assumption that B(H+ -> tau(+)nu(tau)) = 1.
关键词SOFTLY BROKEN SUPERSYMMETRY MODEL PARAMETERS BREAKING WEAK LEP
学科领域Physics
DOI10.1007/JHEP07(2012)143
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000307299800021
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被引频次:28[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/311005/213309
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 a light charged Higgs boson in top quark decays in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(7).
APA CMS Collaboration.(2012).Search for a light charged Higgs boson in top quark decays in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(7).
MLA CMS Collaboration."Search for a light charged Higgs boson in top quark decays in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .7(2012).
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