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Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states
CMS Collaboration
2013
发表期刊PHYSICS LETTERS B
卷号726期号:4--5页码:564-586
通讯作者Alverson, G (reprint author), Northeastern Univ, Boston, MA 02115 USA.
摘要Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the mu(+)mu(-) final state. The new bosons may be produced either promptly or via a decay chain. The data set corresponds to an integrated luminosity of 5.3 fb(-1) of proton-proton collisions at root s = 7 TeV, recorded by the CMS experiment at the LHC in 2011. Such Higgs boson decays are predicted in several scenarios of new physics, including supersymmetric models with extended Higgs sectors or hidden valleys. Thus, the results of the search are relevant for establishing whether the new particle observed in Higgs boson searches at the LHC has the properties expected for a standard model Higgs boson. No excess of events is observed with respect to the yields expected from standard model processes. A model-independent upper limit of 0.86 +/- 0.06 fb on the product of the cross section times branching fraction times acceptance is obtained. The results, which are applicable to a broad spectrum of new physics scenarios, are compared with the predictions of two benchmark models as functions of a Higgs boson mass larger than 86 GeV/c(2) and of a new light boson mass within the range 0.25-3.55 GeV/c(2). (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.
关键词SUPERSYMMETRIC MODELS GAUGE-THEORIES OPAL DETECTOR SUPERGRAVITY MASS PARTICLE LHC EXTENSION BREAKING SINGLET
学科领域Physics
DOI10.1016/j.physletb.2013.09.009
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000327907000004
引用统计
被引频次:32[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/311005/213628
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 a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states[J]. PHYSICS LETTERS B,2013,726(4--5):564-586.
APA CMS Collaboration.(2013).Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states.PHYSICS LETTERS B,726(4--5),564-586.
MLA CMS Collaboration."Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states".PHYSICS LETTERS B 726.4--5(2013):564-586.
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