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Evidence for the Higgs boson decay to a Z boson and a photon at the LHC

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The first evidence for the Higgs boson decay to a (Formula presented) boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision datasets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around (Formula presented) for each experiment, at a center-of-mass energy of 13 TeV. The measured signal yield is (Formula presented) times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations. © 2024 CERN, for the ATLAS and CMSs Collaboration.

Anahtar Kelimeler

BosonsLarge datasetsStatisticsA-centerCombined analysisHiggs Boson decayIntegrated luminosityLarge Hadron ColliderLarge-hadron collidersProton proton collisionsStandard deviationStatistical significanceZ Bosonsarticlebosoncontrolled studyhumanmajor clinical studyphotonPhotons
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AlanDeğerDil
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbicht, N.J.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAboulhorma, A.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbulaiti, Y.
dc.contributor.authorAcharya, B.S.
dc.contributor.authorAdam Bourdarios, C.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdamek, L.
dc.contributor.authorAddepalli, S.V.
dc.contributor.authorAddison, M.J.
dc.contributor.authorAdelman, J.
dc.contributor.authorAdiguzel, A.
dc.contributor.authorAdye, T.
dc.contributor.authorAffolder, A.A.
dc.contributor.authorAfik, Y.
dc.contributor.authorAgaras, M.N.
dc.contributor.authorAgarwala, J.
dc.contributor.authorAggarwal, A.
dc.contributor.authorAgheorghiesei, C.
dc.contributor.authorAhmad, A.
dc.contributor.authorAhmadov, F.
dc.contributor.authorAhmed, W.S.
dc.contributor.authorAhuja, S.
dc.contributor.authorAi, X.
dc.contributor.authorAielli, G.
dc.contributor.authorAikot, A.
dc.contributor.authorAit Tamlihat, M.
dc.contributor.authorAitbenchikh, B.
dc.contributor.authorAizenberg, I.
dc.contributor.authorAkbiyik, M.
dc.contributor.authorÅkesson, T.P.A.
dc.contributor.authorAkimov, A.V.
dc.contributor.authorAkiyama, D.
dc.contributor.authorAkolkar, N.N.
dc.contributor.authorAl Khoury, K.
dc.contributor.authorAlberghi, G.L.
dc.contributor.authorAlbert, J.
dc.contributor.authorAlbicocco, P.
dc.contributor.authorAlbouy, G.L.
dc.contributor.authorAlderweireldt, S.
dc.contributor.authorAleksa, M.
dc.contributor.authorAleksandrov, I.N.
dc.contributor.authorAlexa, C.
dc.contributor.authorAlexopoulos, T.
dc.contributor.authorAlfonsi, F.
dc.date.accessioned2026-10-18T20:26:57.490479805Z
dc.date.available2026-10-18T20:26:57.490479805Z
dc.date.issued2024
dc.description.abstractThe first evidence for the Higgs boson decay to a (Formula presented) boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision datasets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around (Formula presented) for each experiment, at a center-of-mass energy of 13 TeV. The measured signal yield is (Formula presented) times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations. © 2024 CERN, for the ATLAS and CMSs Collaboration.
dc.description.sponsorship; ; , (ST/T002816/1);
dc.identifier.doi10.1103/physrevlett.132.021803
dc.identifier.issn0031-9007
dc.identifier.issue2
dc.identifier.pmid38277607
dc.identifier.scopus2-s2.0-85182246849
dc.identifier.startpage021803
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/11990
dc.identifier.volume132
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.ispartofPhysical Review Letters
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBosons
dc.subjectLarge datasets
dc.subjectStatistics
dc.subjectA-center
dc.subjectCombined analysis
dc.subjectHiggs Boson decay
dc.subjectIntegrated luminosity
dc.subjectLarge Hadron Collider
dc.subjectLarge-hadron colliders
dc.subjectProton proton collisions
dc.subjectStandard deviation
dc.subjectStatistical significance
dc.subjectZ Bosons
dc.subjectarticle
dc.subjectboson
dc.subjectcontrolled study
dc.subjecthuman
dc.subjectmajor clinical study
dc.subjectphoton
dc.subjectPhotons
dc.titleEvidence for the Higgs boson decay to a Z boson and a photon at the LHC
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus77
rdl.oa.statusgold
rdl.source.indexSCOPUS