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Multiplicity dependence of π , K, and p production in pp collisions at √s=13 TeV

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dc.contributor.authorAcharya, S.
dc.contributor.authorAdamova, D.
dc.contributor.authorAdler, A.
dc.contributor.authorAdolfsson, J.
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.accessioned2024-11-27T07:00:01Z
dc.date.available2024-11-27T07:00:01Z
dc.date.issued2020
dc.description.abstract© 2020, CERN for the benefit of the ALICE collaboration.This paper presents the measurements of π±, K ±, p and p ¯ transverse momentum (pT) spectra as a function of charged-particle multiplicity density in proton–proton (pp) collisions at s=13TeV with the ALICE detector at the LHC. Such study allows us to isolate the center-of-mass energy dependence of light-flavour particle production. The measurements reported here cover a pT range from 0.1 to 20 GeV / c and are done in the rapidity interval | y| < 0.5. The pT-differential particle ratios exhibit an evolution with multiplicity, similar to that observed in pp collisions at s=7TeV, which is qualitatively described by some of the hydrodynamical and pQCD-inspired models discussed in this paper. Furthermore, the pT-integrated hadron-to-pion yield ratios measured in pp collisions at two different center-of-mass energies are consistent when compared at similar multiplicities. This also extends to strange and multi-strange hadrons, suggesting that, at LHC energies, particle hadrochemistry scales with particle multiplicity the same way under different collision energies and colliding systems.
dc.identifier.citationMultiplicity dependence of π , K, and p production in pp collisions at √s=13 TeV / Acharya, S. [et al.] // European Physical Journal C. - 2020. - 80. - № 8. - 10.1140/epjc/s10052-020-8125-1
dc.identifier.doi10.1140/epjc/s10052-020-8125-1
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-020-8125-1
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85088962855&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000559326900002
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22153
dc.relation.ispartofEuropean Physical Journal C
dc.titleMultiplicity dependence of π , K, and p production in pp collisions at √s=13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue8
oaire.citation.volume80
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