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Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes

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dc.contributor.authorChatrchyan, S.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorSirunyan, A.
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dc.contributor.authorRodozov, M.
dc.contributor.authorSultanov, G.
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dc.contributor.authorDimitrov, A.
dc.contributor.authorGlushkov, I.
dc.contributor.authorHadjiiska, R.
dc.contributor.authorKozhuharov, V.
dc.contributor.authorLitov, L.
dc.contributor.authorPavlov, B.
dc.contributor.authorPetkov, P.
dc.contributor.authorBian, J.
dc.contributor.authorChen, G.
dc.contributor.authorChen, H.
dc.contributor.authorChen, M.
dc.contributor.authorDu, R.
dc.contributor.authorJiang, C.
dc.contributor.authorLiang, D.
dc.contributor.authorLiang, S.
dc.contributor.authorMeng, X.
dc.contributor.authorPlestina, R.
dc.contributor.authorTao, J.
dc.contributor.authorWang, X.
dc.contributor.authorWang, Z.
dc.contributor.authorAsawatangtrakuldee, C.
dc.contributor.authorBan, Y.
dc.contributor.authorGuo, Y.
dc.contributor.authorLi, Q.
dc.contributor.authorLi, W.
dc.contributor.authorLiu, S.
dc.contributor.authorMao, Y.
dc.contributor.authorQian, S.
dc.contributor.authorWang, D.
dc.contributor.authorZhang, L.
dc.date.accessioned2026-01-25T02:29:54Z
dc.date.issued2014-08-01
dc.description.abstractA search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a b b-bar quark pair. The searches use the 8 TeV pp collision dataset collected by the CMS detector at the LHC, corresponding to an integrated luminosity of up to 19.7 inverse femtobarns. Certain channels include data from 7 TeV collisions corresponding to an integrated luminosity of 4.9 inverse femtobarns. The searches are sensitive to non-standard-model invisible decays of the recently observed Higgs boson, as well as additional Higgs bosons with similar production modes and large invisible branching fractions. In all channels, the observed data are consistent with the expected standard model backgrounds. Limits are set on the production cross section times invisible branching fraction, as a function of the Higgs boson mass, for the vector boson fusion and ZH production modes. By combining all channels, and assuming standard model Higgs boson cross sections and acceptances, the observed (expected) upper limit on the invisible branching fraction at m[H] = 125 GeV is found to be 0.58 (0.44) at 95% confidence level. We interpret this limit in terms of a Higgs-portal model of dark matter interactions.
dc.description.abstractReplaced with published version. Added journal reference and DOI
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dc.identifier.urihttps://hdl.handle.net/11527/42708
dc.identifier.volume74
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.relation.ispartofThe European Physical Journal C
dc.rightsOPEN
dc.sdg.typeGoal 7: Affordable and Clean Energy
dc.sdg.typeGoal 3: Good Health and Well-being
dc.subjectdark matter: interaction
dc.subjectPhysics and Astronomy (miscellaneous)
dc.subjectDark-Matter
dc.subjectDARK-MATTER
dc.subjectLHC
dc.subjectCms detector
dc.subjectParticle
dc.subjectDARK-MATTER
dc.subjectLHC
dc.subjectDetector
dc.subjectParticle
dc.subjectLEP
dc.subjectParticle
dc.subjectpp
dc.subjectAtomic
dc.subjectParticle physics
dc.subjectLarge hadron collider
dc.subjectCMS
dc.subjectPhysics, Particles & Fields
dc.subjectHigh Energy Physics - Experiment
dc.subjectHiggs particle: hadroproduction
dc.subjectHigh Energy Physics - Experiment (hep-ex)
dc.subjectParticle and Plasma Physics
dc.subjectDARK-MATTER
dc.subjectLHC
dc.subjectCms detector
dc.subjectParticle
dc.subjectvector boson: fusion
dc.subject[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
dc.subjectTeV
dc.subjectinfo:eu-repo/classification/ddc/530
dc.subjectFisica delle particelle
dc.subjectQuantum Physics
dc.subject[Anahtar Kelime Yok]
dc.subjectHiggs bosons
dc.subjectZ0: decay modes
dc.subjectCMS
dc.subjectPhysics
dc.subjectddc:530
dc.subjectNuclear & Particles Physics
dc.subjectmass dependence
dc.subjectchannel cross section: branching ratio: upper limit
dc.subjectCERN LHC Coll
dc.subjectHiggs particle: mass
dc.subjectPhysical Sciences
dc.subjectCMS Collaboration
dc.subjectAtomic, Molecular, Nuclear, Particle and Plasma Physics
dc.subjectPhysique des particules élémentaires
dc.subjectParticle physics
dc.subject: 8000 GeV-cms
dc.subjectLHC
dc.subjectParticle
dc.subjectphysics
dc.subjectCMS
dc.subjectHiggs boson
dc.subjectpp
dc.subjectTeV
dc.subjectp p: scattering
dc.subject[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex]
dc.subjectHiggs boson
dc.subjectRegular Article - Experimental Physics
dc.subjectcms
dc.subjectParticles & Fields
dc.subjectHiggs particle: invisible decay
dc.subjectFOS: Physical sciences
dc.subjectZH production modes
dc.subjectDARK-MATTER
dc.subjectNuclear
dc.subjectEngineering (miscellaneous)
dc.subjectPhysics and Astronomy (miscellaneous)
dc.subjectDetector
dc.subjectQuantum Physics
dc.subjectEngineering (miscellaneous)
dc.subjectScience & Technology
dc.subjectdetector
dc.subjectPhysics and Astronomy (miscellaneous)
dc.subjectEngineering (miscellaneous)
dc.subjecthep-ex
dc.subjectbackground
dc.subjectMolecular
dc.subjectLEP
dc.subjectLarge hadron collider
dc.subjectZ0: associated production
dc.subjectQC Physics / fizika
dc.subjectAtomic
dc.subjectCms detector
dc.subjectexperimental results
dc.titleSearch for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes
dc.typeArticle
dspace.entity.typePublication

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