Constraints on the Initial State of Pb-Pb Collisions via Measurements of Z -Boson Yields and Azimuthal Anisotropy at ? s N N = 5.02 ? ? TeV

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dc.authorid291820en_US
dc.contributor.authorGüler, Emine Gürpınar
dc.contributor.author.;, ve diğer
dc.date.accessioned2021-12-21T17:17:03Z
dc.date.available2021-12-21T17:17:03Z
dc.date.issued2021
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV . The measured Z boson elliptic azimuthal anisotropy coefficient is compatible with zero, showing that Z bosons do not experience significant final-state interactions in the medium produced in the collision. Yields of Z bosons are compared to Glauber model predictions and are found to deviate from these expectations in peripheral collisions, indicating the presence of initial collision geometry and centrality selection effects. The precision of the measurement allows, for the first time, for a data-driven determination of the nucleon-nucleon integrated luminosity as a function of lead-lead centrality, thereby eliminating the need for its estimation based on a Glauber modelen_US
dc.identifier.citationPHYSICAL REVIEW LETTERS 127, 102002 (2021)en_US
dc.identifier.doi10.1103/PhysRevLett.127.102002
dc.identifier.issn1434-6044
dc.identifier.pmid34533355en_US
dc.identifier.scopus2-s2.0-85114677878en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.127.102002
dc.identifier.wosWOS:000692200800011en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherAmerican Physical Society [Society Publisher]en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectResearch Areasen_US
dc.subjectRelativistic heavy-ion collisionsen_US
dc.subjectW & Z bosons Ten_US
dc.subjectTechniquesen_US
dc.subjectHadron collidersen_US
dc.titleConstraints on the Initial State of Pb-Pb Collisions via Measurements of Z -Boson Yields and Azimuthal Anisotropy at ? s N N = 5.02 ? ? TeVen_US
dc.typeArticleen_US

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