Study of quark and gluon jet substructure in Z+jet and dijet events from pp collisions

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dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2022-11-10T11:58:37Z
dc.date.available2022-11-10T11:58:37Z
dc.date.issued2022-01
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractAbstract: Measurements of jet substructure describing the composition of quark- and gluon-initiated jets are presented. Proton-proton (pp) collision data at s = 13 TeV collected with the CMS detector are used, corresponding to an integrated luminosity of 35.9 fb?1. Generalized angularities are measured that characterize the jet substructure and distinguish quark- and gluon-initiated jets. These observables are sensitive to the distributions of transverse momenta and angular distances within a jet. The analysis is performed using a data sample of dijet events enriched in gluon-initiated jets, and, for the first time, a Z+jet event sample enriched in quark-initiated jets. The observables are measured in bins of jet transverse momentum, and as a function of the jet radius parameter. Each measurement is repeated applying a “soft drop” grooming procedure that removes soft and large angle radiation from the jet. Using these measurements, the ability of various models to describe jet substructure is assessed, showing a clear need for improvements in Monte Carlo generators. [Figure not available: see fulltext.]. © 2022, The Author(s).en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP01(2022)188
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85126790856en_US
dc.identifier.urihttps://hdl.handle.net/11411/4662
dc.identifier.urihttps://doi.org/10.1007/JHEP01(2022)188
dc.identifier.wosWOS:000750848900001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue1en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherSpringer Science and Business Media Deutschland GmbHen_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.subjectJet Physicsen_US
dc.titleStudy of quark and gluon jet substructure in Z+jet and dijet events from pp collisions
dc.typeArticle
dc.volume2022en_US

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