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Search for heavy quarks decaying into a top quark and a W or Z boson using lepton plus jets events in pp collisions at root s=7 TeV
CMS Collaboration
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号1
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Results are presented from a search for the pair-production of heavy quarks, Q (A) over bar, that decay exclusively into a top quark and a W or Z boson. The search is performed using a sample of proton-proton collisions at root s = 7TeV corresponding to an integrated luminosity of 5.0 fb(-1), collected by the Compact Muon Solenoid experiment. The signal region is defined using a sample of events containing one electron or muon, missing transverse momentum, and at least four jets with large transverse momenta, where one jet is likely to originate from the decay of a bottom quark. No significant excess of events is observed with respect to the standard model expectations. Assuming a strong pair-production mechanism, quark masses below 675 (625) GeV decaying into tW (tZ) are excluded at the 95% confidence level.
学科领域Physics
DOI10.1007/JHEP01(2013)154
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000315583600073
引用统计
被引频次:24[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/311005/213479
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 heavy quarks decaying into a top quark and a W or Z boson using lepton plus jets events in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(1).
APA CMS Collaboration.(2013).Search for heavy quarks decaying into a top quark and a W or Z boson using lepton plus jets events in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(1).
MLA CMS Collaboration."Search for heavy quarks decaying into a top quark and a W or Z boson using lepton plus jets events in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .1(2013).
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