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Charged-particle production as a function of multiplicity and transverse spherocity in pp collisions at √s=5.02 and 13 TeV

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dc.contributor.authorAcharya, S.
dc.contributor.authorAdamova, D.
dc.contributor.authorAdhya, S. P.
dc.contributor.authorAdler, A.
dc.contributor.authorBelyaev, V.
dc.contributor.authorBogdanov, A.
dc.contributor.authorBolozdynya, A.
dc.contributor.authorBorissov, A.
dc.contributor.authorGrigoriev, V.
dc.contributor.authorKaplin, V.
dc.contributor.authorKondratyeva, N.
dc.contributor.authorLoginov, V.
dc.contributor.authorMelikyan, Y.
dc.contributor.authorSamsonov, V.
dc.contributor.authorSelyuzhenkov, I.
dc.contributor.authorБеляев, Владимир Никитич
dc.contributor.authorБогданов, Алексей Александрович
dc.contributor.authorБолоздыня, Александр Иванович
dc.contributor.authorГригорьев, Владислав Анатольевич
dc.contributor.authorКондратьева, Наталья Викторовна
dc.contributor.authorЛогинов, Виталий Александрович
dc.date.accessioned2024-11-21T14:39:19Z
dc.date.available2024-11-21T14:39:19Z
dc.date.issued2019
dc.description.abstract© 2019, CERN for the benefit of the ALICE collaboration.We present a study of the inclusive charged-particle transverse momentum (pT) spectra as a function of charged-particle multiplicity density at mid-pseudorapidity, d Nch/ d η, in pp collisions at s=5.02 and 13 TeV covering the kinematic range | η| < 0.8 and 0.15 < pT< 20 GeV/c. The results are presented for events with at least one charged particle in | η| < 1 (INEL>0). The pT spectra are reported for two multiplicity estimators covering different pseudorapidity regions. The pT spectra normalized to that for INEL>0 show little energy dependence. Moreover, the high-pT yields of charged particles increase faster than the charged-particle multiplicity density. The average pT as a function of multiplicity and transverse spherocity is reported for pp collisions at s=13 TeV. For low- (high-) spherocity events, corresponding to jet-like (isotropic) events, the average pT is higher (smaller) than that measured in INEL>0 pp collisions. Within uncertainties, the functional form of ⟨ pT⟩ (Nch) is not affected by the spherocity selection. While EPOS LHC gives a good description of many features of data, PYTHIA overestimates the average pT in jet-like events.
dc.identifier.citationCharged-particle production as a function of multiplicity and transverse spherocity in pp collisions at √s=5.02 and 13 TeV / Acharya, S. [et al.] // European Physical Journal C. - 2019. - 79. - № 10. - 10.1140/epjc/s10052-019-7350-y
dc.identifier.doi10.1140/epjc/s10052-019-7350-y
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-019-7350-y
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073528658&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000491001100003
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18821
dc.relation.ispartofEuropean Physical Journal C
dc.titleCharged-particle production as a function of multiplicity and transverse spherocity in pp collisions at √s=5.02 and 13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue10
oaire.citation.volume79
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