Measurement of the production cross section for Z plus b jets in proton-proton collisions at root s=13 TeV

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dc.authorid0000-0002-9007-8260en_US
dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2022-12-26T08:34:55Z
dc.date.available2022-12-26T08:34:55Z
dc.date.issued2022-06-29
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractAbstract: The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at p1/4 13 TeV. The data sample corresponds to an integrated luminosity of 137 fb-1, collected by the CMS experiment at the LHC during 2016???2018. The integrated cross sections for Z?? > 1 b jet and Z?? > 2 b jets are reported for the electron, muon, and combined channels. The fiducial cross sections in the combined channel are 6.52 ??? 0.04??stat?? ??? 0.40??syst?? ??? 0.14??theo?? pb for Z?? > 1 b jet and 0.65 ??? 0.03??stat?? ??? 0.07??syst?? ??? 0.02??theo?? pb for Z?? > 2 b jets. The differential cross section distributions are measured as functions of various kinematic observables that are useful for precision tests of perturbative quantum chromodynamics predictions. The ratios of integrated and differential cross sections for Z?? > 2b jets and Z?? > 1 b jet processes are also determined. The value of the integrated cross section ratio measured in the combined channel is 0.100 ??? 0.005??stat?? ??? 0.007??syst?? ??? 0.003??theo??. All measurements are compared with predictions from various event generators.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevD.105.092014en_US
dc.identifier.issn2470-0029
dc.identifier.issn2470-0010
dc.identifier.urihttps://hdl.handle.net/11411/4941
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.105.092014
dc.identifier.wosWOS:000811587900005en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.issue9en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+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.subjectPAIR PRODUCTIONen_US
dc.titleMeasurement of the production cross section for Z plus b jets in proton-proton collisions at root s=13 TeVen_US
dc.typeArticleen_US
dc.volume105en_US

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