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Search for standard model production of four top quarks in the lepton plus jets channel in pp collisions at root S=8 TeV
CMS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号11
通讯作者Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search is presented for standard model (SM) production of four top quarks (WO in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb(-1) recorded at a centre-of-mass energy of 8 TeV with the CMS detector at the CERN LHC. The expected cross section for SM t (t) over bart (t) over bar production is sigma(SM)(t ($t) over bart (t) over bar) approximate to 1 fb. A combination of kinematic reconstruction and multivariate techniques is used to distinguish between the small signal and large background. The data are consistent with expectations of the SM, and an upper limit of 32 fb is set at a 95% confidence level on the cross section for producing four top quarks in the SM, where a limit of 32 + 17 fb is expected.
关键词PHYSICS
学科领域Physics
DOI10.1007/JHEP11(2014)154
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000347909500004
引用统计
被引频次:8[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/311005/213851
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 standard model production of four top quarks in the lepton plus jets channel in pp collisions at root S=8 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(11).
APA CMS Collaboration.(2014).Search for standard model production of four top quarks in the lepton plus jets channel in pp collisions at root S=8 TeV.JOURNAL OF HIGH ENERGY PHYSICS(11).
MLA CMS Collaboration."Search for standard model production of four top quarks in the lepton plus jets channel in pp collisions at root S=8 TeV".JOURNAL OF HIGH ENERGY PHYSICS .11(2014).
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