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Combined search for anomalous pseudoscalar HW couplings in VH(H -> b(b)over-bar) production and H -> VV decay
CMS Collaboration
2016
发表期刊PHYSICS LETTERS B
卷号759页码:672-696
摘要A search for anomalous pseudoscalar couplings of the Higgs boson H to electroweak vector bosons V (= W or Z) in a sample of proton-proton collision events corresponding to an integrated luminosity of 18.9 fb(-1) at a center-of-mass energy of 8 TeV is presented. Events consistent with the topology of associated VH production, where the Higgs boson decays to a pair of bottom quarks and the vector boson decays leptonically, are analyzed. The consistency of data with a potential pseudoscalar contribution to the HVV interaction, expressed by the effective pseudoscalar cross section fractions f(a3), is assessed by means of profile likelihood scans. Results are given for the VH channels alone and for a combined analysis of the VH and previously published H -> VV channels. Under certain assumptions, f(a3)(ZZ) > 0.0034 is excluded at 95% confidence level in the combination. Scenarios in which these assumptions are relaxed are also considered. (C) 2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
文章类型Article
关键词CMS Physics Higgs BSM
DOI10.1016/j.physletb.2016.06.004
关键词[WOS]MASSLESS PARTICLES ; BROKEN SYMMETRIES ; PHYSICS
语种英语
WOS记录号WOS:000380409200086
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260734
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. Combined search for anomalous pseudoscalar HW couplings in VH(H -> b(b)over-bar) production and H -> VV decay[J]. PHYSICS LETTERS B,2016,759:672-696.
APA CMS Collaboration.(2016).Combined search for anomalous pseudoscalar HW couplings in VH(H -> b(b)over-bar) production and H -> VV decay.PHYSICS LETTERS B,759,672-696.
MLA CMS Collaboration."Combined search for anomalous pseudoscalar HW couplings in VH(H -> b(b)over-bar) production and H -> VV decay".PHYSICS LETTERS B 759(2016):672-696.
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