Properties of g -> b(b)over-bar at small opening angles in pp collisions with the ATLAS detector at root s=13 TeV

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dc.WoS.categoriesAstronomy & Astrophysics; Physics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2021-01-20T07:00:44Z
dc.date.available2021-01-20T07:00:44Z
dc.date.issued2019-03-14
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractThe fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to b-quark pairs is a unique probe into the properties of gluon fragmentation because identified b-tagged jets provide a proxy for the quark daughters of the initial gluon. In this study, key differential distributions related to the g -> b (b) over bar process are measured using 33 fb(-1) of root s = 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2016. Jets constructed from charged-particle tracks, clustered with the anti-k(t) jet algorithm with radius parameter R = 0.2, are used to probe angular scales below the R = 0.4 jet radius. The observables are unfolded to particle level in order to facilitate direct comparisons with predictions from present and future simulations. Multiple significant differences are observed between the data and parton shower Monte Carlo predictions, providing input to improve these predictions of the main source of background events in analyses involving boosted Higgs bosons decaying into b-quarks.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevD.99.052004en_US
dc.identifier.issn2470-0029
dc.identifier.issn2470-0010
dc.identifier.scopus2-s2.0-85064388877en_US
dc.identifier.urihttps://hdl.handle.net/11411/3142
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.99.052004
dc.identifier.wosWOS:000461906000004en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue5en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors200+en_US
dc.publisherAMER PHYSICAL SOCen_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.subjectPROTON-PROTON COLLISIONSen_US
dc.subjectPRODUCTION CROSS-SECTIONen_US
dc.subjectP(P)OVER-BAR COLLISIONSen_US
dc.subjectQUARK PRODUCTIONen_US
dc.subjectROOT-Sen_US
dc.subjectPAIRSen_US
dc.subjectEVENTSen_US
dc.subjectDECAYSen_US
dc.subjectBOSONen_US
dc.subjectMUONen_US
dc.titleProperties of g -> b(b)over-bar at small opening angles in pp collisions with the ATLAS detector at root s=13 TeVen_US
dc.typeArticleen_US
dc.volume99en_US

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