Search for a W ' boson decaying to a bottom quark and a top quark in pp collisions at root s=7 TeV
CMS Collaboration
刊名PHYSICS LETTERS B
2013
卷号718期号:4--5页码:1229-1251
关键词COLLABORATION RESONANCES EVENTS LEPTON
学科分类Physics
DOI10.1016/j.physletb.2012.12.008
通讯作者Sphicas, P (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要Results are presented from a search for a W' boson using a dataset corresponding to 5.0 fb(-1) of integrated luminosity collected during 2011 by the CMS experiment at the LHC in pp collisions at root s=7 TeV. The W' boson is modeled as a heavy W boson, but different scenarios for the couplings to fermions are considered, involving both left-handed and right-handed chiral projections of the fermions, as well as an arbitrary mixture of the two. The search is performed in the decay channel W' -> tb, leading to a final state signature with a single electron or muon, missing transverse energy, and jets, at least one of which is identified as a b-jet. A W' boson that couples to the right-handed (left-handed) chiral projections of the fermions with the same coupling constants as the W is excluded for masses below 1.85 (1.51) TeV at the 95% confidence level. For the first time using LHC data, constraints on the W' gauge couplings for a set of left- and right-handed coupling combinations have been placed. These results represent a significant improvement over previously published limits. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000314554300011
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被引频次:30[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/311005/213452
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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 W ' boson decaying to a bottom quark and a top quark in pp collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2013,718(4--5):1229-1251.
APA CMS Collaboration.(2013).Search for a W ' boson decaying to a bottom quark and a top quark in pp collisions at root s=7 TeV.PHYSICS LETTERS B,718(4--5),1229-1251.
MLA CMS Collaboration."Search for a W ' boson decaying to a bottom quark and a top quark in pp collisions at root s=7 TeV".PHYSICS LETTERS B 718.4--5(2013):1229-1251.
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