First Measurement Of The Cross Section For Top Quark Pair Production With Additional Charm Jets Using Dileptonic Final States In Pp Collisions At Root S=13 Tev

dc.authorid291820en_US
dc.contributor.authorGüler, Emine Gürpınar
dc.contributor.author.;, ve diğer
dc.date.accessioned2021-12-22T08:49:25Z
dc.date.available2021-12-22T08:49:25Z
dc.date.issued2021
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe first measurement of the inclusive cross section for top quark pairs () produced in association with two additional charm jets is presented. The analysis uses the dileptonic final states of events produced in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data correspond to an integrated luminosity of , recorded by the CMS experiment at the LHC. A new charm jet identification algorithm provides input to a neural network that is trained to distinguish among events with two additional charm (), bottom (), and light-flavour or gluon () jets. By means of a template fitting procedure, the inclusive , , and cross sections are simultaneously measured, together with their ratios to the inclusive + two jets cross section. This provides measurements of the and cross sections of and , respectively, in the full phase space. The results are compared and found to be consistent with predictions from two different matrix element generators with next-to-leading order accuracy in quantum chromodynamics, interfaced with a parton shower simulation.en_US
dc.identifier.citationPhysics Letters B 820 (2021) 136565en_US
dc.identifier.doi10.1016/j.physletb.2021.136565
dc.identifier.issn2218-5003
dc.identifier.scopus2-s2.0-85113665013en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1016/j.physletb.2021.136565
dc.identifier.wosWOS:000713124400026en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectCMSen_US
dc.subjectTop quarken_US
dc.subjectDileptonen_US
dc.subjectCharm quarken_US
dc.subjectCharm-taggingen_US
dc.subjectHeavy-flavouren_US
dc.titleFirst Measurement Of The Cross Section For Top Quark Pair Production With Additional Charm Jets Using Dileptonic Final States In Pp Collisions At Root S=13 Teven_US
dc.typeArticleen_US

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