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Search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a Z boson in pp collisions at s=13 TeV 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., Faculty of Science, Université Mohammed Premier Oujda, Oujda, Morocco
dc.contributor.institutionAad, Georges, Centre de Physique des Particules de Marseille, Marseille, France
dc.contributor.institutionAbbott, Brad K., The University of Oklahoma, Norman, United States
dc.contributor.institutionAbdinov, O. B., Azerbaijan National Academy of Sciences, Baku, Azerbaijan
dc.contributor.institutionAbeloos, Baptiste, Laboratoire de l'Accélérateur Linéaire, Orsay, France
dc.contributor.institutionAbidi, Syed Hani, University of Toronto, Toronto, Canada
dc.contributor.institutionAbouZeid, O. S., Santa Cruz Institute for Particle Physics, Santa Cruz, United States
dc.contributor.institutionAbraham, Nicola L., University of Sussex, Brighton, United Kingdom
dc.contributor.institutionAbramowicz, Halina, Tel Aviv University, Tel Aviv-Yafo, Israel
dc.contributor.institutionAbreu, Henso, Department of Physics, Technion - Israel Institute of Technology, Haifa, Israel
dc.date.accessioned2025-10-05T16:11:26Z
dc.date.issued2018
dc.description.abstractA search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a leptonically decaying Z boson in proton–proton collisions at s=13 TeV is presented. This search uses 36.1 fb−1 of data collected by the ATLAS experiment at the Large Hadron Collider. No significant deviation from the expectation of the Standard Model backgrounds is observed. Assuming the Standard Model ZH production cross-section, an observed (expected) upper limit of 67% (39%) at the 95% confidence level is set on the branching ratio of invisible decays of the Higgs boson with mass m<inf>H</inf>=125 GeV. The corresponding limits on the production cross-section of the ZH process with the invisible Higgs boson decays are also presented. Furthermore, exclusion limits on the dark matter candidate and mediator masses are reported in the framework of simplified dark matter models. © 2025 Elsevier B.V., All rights reserved.
dc.identifier.doi10.1016/j.physletb.2017.11.049
dc.identifier.endpage337
dc.identifier.issn03702693
dc.identifier.scopus2-s2.0-85037361025
dc.identifier.startpage318
dc.identifier.urihttps://doi.org/10.1016/j.physletb.2017.11.049
dc.identifier.urihttps://hdl.handle.net/20.500.14719/11753
dc.identifier.volume776
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.oastatusAll Open Access
dc.relation.oastatusGold Open Access
dc.relation.oastatusGreen Accepted Open Access
dc.relation.oastatusGreen Open Access
dc.relation.sourcePhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.titleSearch for an invisibly decaying Higgs boson or dark matter candidates produced in association with a Z boson in pp collisions at s=13 TeV 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), Handbook of Lhc Higgs Cross Sections 4 Deciphering the Nature of the Higgs Sector, Griest, Kim, Invisible decays of Higgs bosons in supersymmetric models, Physical Review D, 37, 3, pp. 719-728, (1988), B́elanger, Geneviève, The MSSM invisible Higgs in the light of dark matter and g - 2, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 519, 1-2, pp. 93-102, (2001), Giudice, Gian Francesco, Graviscalars from higher-dimensional metrics and curvature-Higgs mixing, Nuclear Physics B, 595, 1-2, pp. 250-276, (2001), Invisible Higgs Decay Width in the Add Model at the Lhc, Shrock, Robert E., Invisible decays of Higgs bosons, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 110, 3-4, pp. 250-254, (1982), Joshipura, Anjan S., Majoron models and the Higgs boson search, Physical Review Letters, 69, 23, pp. 3269-3273, (1992), Bonilla, Cesar, Neutrino mass and invisible Higgs decays at the LHC, Physical Review D - Particles, Fields, Gravitation and Cosmology, 91, 11, (2015)
dspace.entity.typePublication
local.indexed.atScopus
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