Search for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at s =13 TeV

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dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorÇelebi, Emre
dc.date.accessioned2021-05-05T13:11:52Z
dc.date.available2021-05-05T13:11:52Z
dc.date.issued2020-12-07
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractThis paper describes a search for beyond the Standard Model decays of the Higgs boson into a pair of new spin-0 particles subsequently decaying into b-quark pairs, H?aa?(bb¯)(bb¯), using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider at center-of-mass energy s=13 TeV. This search focuses on the range 15 GeV?ma?30 GeV, where the decay products are collimated; it is complementary to a previous search in the same final state targeting the range 20 GeV?ma?60 GeV, where the decay products are well separated. A novel strategy for the identification of the a?bb¯ decays is deployed to enhance the efficiency for topologies with small separation angles. The search is performed with 36 fb-1 of integrated luminosity collected in 2015 and 2016 and sets upper limits on the production cross section of H?aa?(bb¯)(bb¯), where the Higgs boson is produced in association with a Z boson.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevD.102.112006en_US
dc.identifier.issn2470-0010
dc.identifier.scopus2-s2.0-85097529287en_US
dc.identifier.urihttps://hdl.handle.net/11411/3634
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.102.112006
dc.identifier.wosWOS:000596369400003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue11en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.pages46753en_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review Den_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleSearch for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at s =13 TeVen_US
dc.typeArticleen_US
dc.volume102en_US

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