Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb(-1) of proton-proton data recorded by the ATLAS experiment

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dc.authoridSerkant Ali Çetin / 0000-0001-5050-8441en_US
dc.authoridSertaç Öztürk / 0000-0001-6533-6144
dc.authoridAndrew John Beddall / 0000-0002-8451-9672
dc.authoridSinem Şimşek / 0000-0002-9650-3846
dc.authorscopusidSerkant Ali Çetin / 34567544400
dc.authorscopusidAndrew John Beddall / 57215802986
dc.authorscopusidSertaç Öztürk / 56421488400
dc.authorwosidSertaç Öztürk / AGO-2476-2022en_US
dc.authorwosidSerkant Ali Çetin / AGF-0147-2022en_US
dc.authorwosidSinem Şimşek / AGG-2640-2022en_US
dc.authorwosidAndrew John Beddall / CFL-1774-2022
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbud, A. Abed
dc.contributor.authorÖztürk, Sertaç
dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorBeddal, Andrew John
dc.contributor.authorŞimşek, Sinem
dc.date.accessioned2022-09-08T07:36:11Z
dc.date.available2022-09-08T07:36:11Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesien_US
dc.description.abstractA direct search for Higgs bosons produced via vector-boson fusion and subsequently decaying into invisible particles is reported. The analysis uses 139 fb(-1) of pp collision data at a centre-of-mass energy of root s =13 TeV recorded by the ATLAS detector at the LHC. The observed numbers of events are found to be in agreement with the background expectation from Standard Model processes. For a scalar Higgs boson with a mass of 125 GeV and a Standard Model production cross section, an observed upper limit of 0.145 is placed on the branching fraction of its decay into invisible particles at 95% confidence level, with an expected limit of 0.103. These results are interpreted in the context of models where the Higgs boson acts as a portal to dark matter, and limits are set on the scattering cross section of weakly interacting massive particles and nucleons. Invisible decays of additional scalar bosons with masses from 50 GeV to 2 TeV are also studied, and the derived upper limits on the cross section times branching fraction decrease with increasing mass from 1.0 pb for a scalar boson mass of 50 GeV to 0.1 pb at a mass of 2 TeV.en_US
dc.identifier.citationAad, G., Abbott, B., Abbott, D. C., Abud, A. A., Ozturk, S., Cetin, S. A., Beddal, A. J., Simsek S. (2022). Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb(-1) of proton-proton data recorded by the ATLAS experiment. Journal of High Energy Physics, (8).en_US
dc.identifier.doi10.1007/JHEP08(2022)104en_US
dc.identifier.issn1029-8479en_US
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85136944873en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.uridoi.org/10.1007/JHEP08(2022)104
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3129
dc.identifier.wosWOS:000840083500001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖztürk, Sertaç
dc.institutionauthorÇetin, Serkant Ali
dc.institutionauthorBeddall, Andrew John
dc.institutionauthorŞimşek, Sinem
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.ispartofJOURNAL OF HIGH ENERGY PHYSICSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHadron-Hadron Scatteringen_US
dc.subjectHiggs Physicsen_US
dc.subjectVector Boson Productionen_US
dc.titleSearch for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb(-1) of proton-proton data recorded by the ATLAS experimenten_US
dc.typeArticleen_US

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