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Search for heavy bottom-like quarks in 4.9 fb(-1) of pp collisions at root s=7 TeV
CMS Collaboration
2012
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 heavy bottom-like quarks, pair-produced in pp collisions at root s = 7 TeV, undertaken with the CMS experiment at the LHC. The b' quarks are assumed to decay exclusively to tW. The b'(b') over bar -> tW(-)(t) over barW(+) process can be identified by its distinctive signatures of three leptons or two leptons of same charge, and at least one b-quark jet. Using a data sample corresponding to an integrated luminosity of 4.9 fb(-1), observed events are compared to the standard model background predictions, and the existence of b' quarks having masses below 611 GeV/c(2) is excluded at 95% confidence level.
关键词WIDTH MASS Z0
学科领域Physics
DOI10.1007/JHEP05(2012)123
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000305238600043
引用统计
被引频次:20[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/311005/213258
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 bottom-like quarks in 4.9 fb(-1) of pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(5).
APA CMS Collaboration.(2012).Search for heavy bottom-like quarks in 4.9 fb(-1) of pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(5).
MLA CMS Collaboration."Search for heavy bottom-like quarks in 4.9 fb(-1) of pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .5(2012).
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