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Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector
ATLAS Collaboration
2015
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
卷号2015期号:4页码:117
摘要Results of a search for H -> tau tau decays are presented, based on the full set of proton-proton collision data recorded by the ATLAS experiment at the LHC during 2011 and 2012. The data correspond to integrated luminosities of 4.5 fb(-1) and 20.3 fb(-1) at centre-of-mass energies of root s = 7TeV and root s = 8 TeV respectively. All combinations of leptonic (tau -> l nu(nu) over bar with l = e, mu) and hadronic (tau -> hadrons nu) tau decays are considered. An excess of events over the expected background from other Standard Model processes is found with an observed (expected) significance of 4.5 (3.4) standard deviations. This excess provides evidence for the direct coupling of the recently discovered Higgs boson to fermions. The measured signal strength, normalised to the Standard Model expectation, of mu = 1.43(-0.37)(+0.43) is consistent with the predicted Yukawa coupling strength in the Standard Model.
文章类型Article
关键词Hadron-Hadron Scattering
学科领域Physics
DOI10.1007/JHEP04(2015)117
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000353557400001
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被引频次:38[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/311005/228309
专题实验物理中心
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ATLAS Collaboration. Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015,2015(4):117.
APA ATLAS Collaboration.(2015).Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS,2015(4),117.
MLA ATLAS Collaboration."Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS 2015.4(2015):117.
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