Measurements of inclusive and differential fiducial cross-sections of t(t)over-bar production with additional heavy-flavour jets in proton-proton collisions at root s=13 TeV with the ATLAS detector

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dc.contributor.authorÇakır, Orhan
dc.contributor.authorYıldız, Hatice Duran
dc.contributor.departmentFen Fakültesitr_TR
dc.contributor.departmentHızlandırıcı Teknolojileri Enstitüsütr_TR
dc.date.accessioned2019-06-28T13:18:51Z
dc.date.available2019-06-28T13:18:51Z
dc.date.issued2019
dc.description.abstractThis paper presents measurements of tt (t) over bar production in association with additional b-jets in pp collisions at the LHC at a centre-of-mass energy of 13 TeV. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 36.1 fb(-1). Fiducial cross-section measurements are performed in the dilepton and lepton-plus-jets tt (t) over bar decay channels. Results are presented at particle level in the form of inclusive cross-sections of tt final states with three and four b-jets as well as differential cross-sections as a function of global event properties and properties of b-jet pairs. The measured inclusive fiducial cross-sections generally exceed the t (t) over barb (b) over bar predictions from various next-to-leading-order matrix element calculations matched to a parton shower but are compatible within the total uncertainties. The experimental uncertainties are smaller than the uncertainties in the predictions. Comparisons of state-of-the-art theoretical predictions with the differential measurements are shown and good agreement with data is found for most of them.tr_TR
dc.description.indexWos
dc.description.indexwos
dc.identifier.endpage66tr_TR
dc.identifier.issue046tr_TR
dc.identifier.other10.1007/JHEP04(2019)046
dc.identifier.startpage01tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/66932
dc.identifier.volume4tr_TR
dc.language.isoentr_TR
dc.relation.indexWOStr_TR
dc.relation.journalJournal of High Energy Physicstr_TR
dc.subjectHadron-Hadron scattering (experiments)tr_TR
dc.subjectHeavy quark productiontr_TR
dc.titleMeasurements of inclusive and differential fiducial cross-sections of t(t)over-bar production with additional heavy-flavour jets in proton-proton collisions at root s=13 TeV with the ATLAS detectortr_TR
dc.typeArticletr_TR

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