Evidence for X(3872) in Pb-Pb Collisions and Studies of its Prompt Production at root s(NN)=5.02 TeV

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dc.authorid291820en_US
dc.contributor.authorGürpınar Güler, Emine
dc.contributor.authorvd.
dc.date.accessioned2023-03-09T13:59:53Z
dc.date.available2023-03-09T13:59:53Z
dc.date.issued2022
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe first evidence for X(3872) production in relativistic heavy ion collisions is reported. The X(3872) production is studied in lead-lead (Pb-Pb) collisions at a center-of-mass energy of s(NN)=5.02 TeV per nucleon pair, using the decay chain X(3872) ? J/??+?? ? ?+???+??. The data were recorded with the CMS detector in 2018 and correspond to an integrated luminosity of 1.7 nb?1. The measurement is performed in the rapidity and transverse momentum ranges jyj < 1.6 and 15 < pT < 50 GeV=c. The significance of the inclusive X(3872) signal is 4.2 standard deviations. The prompt X(3872) to ?2S yield ratio is found to be ?Pb-Pb = 1.08 0.49(stat) 0.52(syst), to be compared with typical values of 0.1 for pp collisions. This result provides a unique experimental input to theoretical models of the X(3872) production mechanism, and of the nature of this exotic state.en_US
dc.identifier.doi10.1103/PhysRevLett.128.032001
dc.identifier.issn0177-798X
dc.identifier.pmid35119878en_US
dc.identifier.scopus2-s2.0-85123710396
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.128.032001
dc.identifier.wosWOS:000748799800002
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.titleEvidence for X(3872) in Pb-Pb Collisions and Studies of its Prompt Production at root s(NN)=5.02 TeVen_US
dc.typeArticleen_US

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