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Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons
CMS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号5页码:104
摘要A search for a standard model Higgs boson decaying into a pair of tau leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 fb(-1) at a centre-of-mass energy of 7 TeV and 19.7 fb(-1) at 8 TeV. Each tau lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the tau-lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m (H) values between 115 and 130 GeV. The best fit of the observed H -> tau tau signal cross section times branching fraction for m(H) = 125 GeV is 0.78 +/- 0.27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons.
关键词Hadron-Hadron Scattering Higgs physics
学科领域Physics
DOI10.1007/JHEP05(2014)104
收录类别SCI
WOS记录号WOS:000336734300001
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被引频次:44[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/311005/225089
专题粒子天体物理中心
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CMS Collaboration. Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(5):104.
APA CMS Collaboration.(2014).Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons.JOURNAL OF HIGH ENERGY PHYSICS(5),104.
MLA CMS Collaboration."Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons".JOURNAL OF HIGH ENERGY PHYSICS .5(2014):104.
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