Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at root s=8TeV
CMS Collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2015
卷号2015期号:9页码:201
关键词Exotics Hadron-Hadron Scattering
学科分类Physics
DOI10.1007/JHEP09(2015)201
文章类型Article
英文摘要A search for pair production of neutral color-octet weak-triplet scalar particles (Theta(0)) is performed in processes where one Theta(0) decays to a pair of b quark jets and the other to a Z boson plus a jet, with the Z boson decaying to a pair of electrons or muons. The search is performed with data collected by the CMS experiment at the CERN LHC corresponding to an integrated luminosity of 19.7 fb(-1) of proton-proton collisions at root s = 8TeV. The number of observed events is found to be in agreement with the standard model predictions. The 95% confidence level upper limit on the product of the cross section and branching fraction is obtained as a function of the Theta(0) mass. The 95% confidence level lower bounds on the Theta(0) mass are found to be 623 and 426 GeV, for two different octo-triplet theoretical scenarios. These are the first direct experimental bounds on particles predicted by the octo-triplet model.
类目[WOS]Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000362594900001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228791
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
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CMS Collaboration. Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at root s=8TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015,2015(9):201.
APA CMS Collaboration.(2015).Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at root s=8TeV.JOURNAL OF HIGH ENERGY PHYSICS,2015(9),201.
MLA CMS Collaboration."Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at root s=8TeV".JOURNAL OF HIGH ENERGY PHYSICS 2015.9(2015):201.
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