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Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector

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dc.contributor.authorAaboud, M.
dc.contributor.authorAad, Georges
dc.contributor.authorAbbott, Brad K.
dc.contributor.authorAbdinov, O. B.
dc.contributor.authorAbeloos, Baptiste
dc.contributor.authorAbidi, Syed Hani
dc.contributor.authorAbouZeid, O. S.
dc.contributor.authorAbraham, Nicola L.
dc.contributor.authorAbramowicz, Halina
dc.contributor.authorAbreu, Henso
dc.contributor.institutionAaboud, M., Faculté des Sciences Aïn Chock, Casablanca, Morocco
dc.contributor.institutionAad, Georges, School of Physics and Astronomy, The University of Manchester, Manchester, United Kingdom
dc.contributor.institutionAbbott, Brad K., Faculty of Science, Okayama University, Okayama, Japan
dc.contributor.institutionAbdinov, O. B., Azerbaijan National Academy of Sciences, Baku, Azerbaijan
dc.contributor.institutionAbeloos, Baptiste, Center for High Energy Physics, University of Oregon, Eugene, United States
dc.contributor.institutionAbidi, Syed Hani, Graduate School of Science and Technology, Tokyo Metropolitan University, Hachioji, Japan
dc.contributor.institutionAbouZeid, O. S., Faculty of Science, Université Mohammed Premier Oujda, Oujda, Morocco
dc.contributor.institutionAbraham, Nicola L., Oskar Klein Centre, Stockholm, Sweden
dc.contributor.institutionAbramowicz, Halina, School of Physics, The University of Sydney, Sydney, Australia
dc.contributor.institutionAbreu, Henso, University of Sussex, Brighton, United Kingdom
dc.date.accessioned2025-10-05T16:08:17Z
dc.date.issued2018
dc.description.abstractA search for the exclusive decays of the Higgs and Z bosons to a ϕ or ρ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb−1 collected at s=13 TeV with the ATLAS detector at the CERN Large Hadron Collider. These decays have been suggested as a probe of the Higgs boson couplings to light quarks. No significant excess of events is observed above the background, as expected from the Standard Model. Upper limits at 95% confidence level were obtained on the branching fractions of the Higgs boson decays to ϕγ and ργ of 4.8 × 10−4 and 8.8 × 10−4, respectively. The corresponding 95% confidence level upper limits for the Z boson decays are 0.9 × 10−6 and 25 × 10−6 for ϕγ and ργ, respectively.[Figure not available: see fulltext.]. © 2025 Elsevier B.V., All rights reserved.
dc.identifier.doi10.1007/JHEP07(2018)127
dc.identifier.issn10298479
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85050633004
dc.identifier.urihttps://doi.org/10.1007/JHEP07(2018)127
dc.identifier.urihttps://hdl.handle.net/20.500.14719/11617
dc.identifier.volume2018
dc.language.isoen
dc.publisherSpringer Verlag
dc.relation.oastatusAll Open Access
dc.relation.oastatusGold Open Access
dc.relation.oastatusGreen Accepted Open Access
dc.relation.oastatusGreen Open Access
dc.relation.sourceJournal of High Energy Physics
dc.subject.authorkeywordsHadron-hadron Scattering (experiments)
dc.subject.authorkeywordsHiggs Physics
dc.titleSearch for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector
dc.typeArticle
dcterms.referencesAad, Georges, Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 716, 1, pp. 1-29, (2012), Chatrchyan, S. A., Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 716, 1, pp. 30-61, (2012), Aad, Georges, Combined Measurement of the Higgs Boson Mass in pp Collisions at s =7 and 8 TeV with the ATLAS and CMS Experiments, Physical Review Letters, 114, 19, (2015), The Atlas Collaboration, Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV, Journal of High Energy Physics, 2016, 8, (2016), Aad, Georges, Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at √S=7 and 8 TeV in the ATLAS experiment, European Physical Journal C, 76, 1, pp. 1-51, (2016), Khachatryan, Vardan A., Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV, European Physical Journal C, 75, 5, (2015), The Atlas Collaboration, Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector, Journal of High Energy Physics, 2015, 4, pp. 1-74, (2015), Chatrchyan, S. A., Evidence for the 125 gev higgs boson decaying to a pair of τ leptons, Journal of High Energy Physics, 2014, 5, (2014), Aaboud, M., Evidence for the H → bb decay with the ATLAS detector, Journal of High Energy Physics, 2017, 12, pp. 1-69, (2017), Sirunyan, A., Evidence for the Higgs boson decay to a bottom quark–antiquark pair, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 780, pp. 501-532, (2018)
dspace.entity.typePublication
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