Using Z Boson Events to Study Parton-Medium Interactions in Pb-Pb Collisions

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dc.authorid291820en_US
dc.contributor.authorGürpınar Güler, Emine
dc.contributor.authorvd.
dc.date.accessioned2023-03-14T12:47:41Z
dc.date.available2023-03-14T12:47:41Z
dc.date.issued2022
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe spectra measurements of charged hadrons produced in the shower of a parton originating in the same hard scattering with a leptonically decaying Z boson are reported in lead-lead nuclei (Pb-Pb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. Both Pb-Pb and pp data sets are recorded by the CMS experiment at the LHC and correspond to an integrated luminosity of 1.7 nb?1 and 320 pb?1, respectively. Hadronic collision data with one reconstructed Z boson candidate with the transverse momentum pT > 30 GeV=c are analyzed. The Z boson constrains the initial energy and direction of the associated parton. In heavy ion events, azimuthal angular distributions of charged hadrons with respect to the direction of a Z boson are sensitive to modifications of the in-medium parton shower and medium response. compared to reference data from pp interactions, the results for central Pb-Pb collisions indicate a modification of the angular correlations. The measurements of the fragmentation functions and pT spectra of charged particles in Z boson events, which are sensitive to medium modifications of the parton shower longitudinal structure, are also reported. Significant modifications in central Pb-Pb events compared to the pp reference data are also found for these observables.en_US
dc.identifier.issn2470-0010
dc.identifier.pmid35394329en_US
dc.identifier.scopus2-s2.0-85127876558en_US
dc.identifier.scopusqualityQ1en_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofseriesAMER PHYSICAL SOC
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.titleUsing Z Boson Events to Study Parton-Medium Interactions in Pb-Pb Collisionsen_US
dc.typeArticleen_US

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