Investigation İnto The Event-Activity Dependence Of ?(Ns) Relative Production İn Proton-Proton Collisions At ? S = 7 Tev

dc.authorid291820en_US
dc.authorid249433en_US
dc.contributor.authorBilki, Burak
dc.contributor.authorGüler, Emine Gürpınar
dc.contributor.author;, ve diğer.
dc.date.accessioned2021-01-31T15:51:25Z
dc.date.available2021-01-31T15:51:25Z
dc.date.issued2020
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThe ratios of the production cross sections between the excited ?(2S) and ?(3S) mesons and the ?(1S) ground state, detected via their decay into two muons, are studied as a function of the number of charged particles in the event. The data are from proton-proton collisions at s?= 7 TeV, corresponding to an integrated luminosity of 4.8 fb?1, collected with the CMS detector at the LHC. Evidence of a decrease in these ratios as a function of the particle multiplicity is observed, more pronounced at low transverse momentum p??T. For ?(nS) mesons with p??T > 7 GeV, where most of the data were collected, the correlation with multiplicity is studied as a function of the underlying event transverse sphericity and the number of particles in a cone around the ?(nS) direction. The ratios are found to be multiplicity independent for jet-like events. The mean p??T values for the ?(nS) states as a function of particle multiplicity are also measured and found to grow more steeply as their mass increases.en_US
dc.identifier.citationJHEP 11 (2020) 001en_US
dc.identifier.doi10.1007/JHEP11(2020)001
dc.identifier.issn1303-6122
dc.identifier.scopus2-s2.0-85096395259en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1007/JHEP11(2020)001
dc.identifier.wosWOS:000585126400001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherThe CMS Collaborationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectHigh Energy Physicsen_US
dc.subjectExperiment (hep-ex)en_US
dc.titleInvestigation İnto The Event-Activity Dependence Of ?(Ns) Relative Production İn Proton-Proton Collisions At ? S = 7 Teven_US
dc.typeArticleen_US

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