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Production of light-flavor hadrons in pp collisions at root s=7 and root s=13 Tev

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dc.contributor.authorAcharya, S.
dc.contributor.authorAcosta, F. T.
dc.contributor.authorAdam, J.
dc.contributor.authorAdamova, D.
dc.contributor.authorBelyaev, V.
dc.contributor.authorBogdanov, A.
dc.contributor.authorBolozdynya, 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.accessioned2024-11-29T12:47:36Z
dc.date.available2024-11-29T12:47:36Z
dc.date.issued2021
dc.description.abstractThe production of pi(+/-), K-+/-, K-S(0), K*(892)(0), p, phi(1020), Lambda, Xi(-), Omega(-), and their antiparticles was measured in inelastic proton-proton (pp) collisions at a center-of-mass energy of root s = 13 TeV at midrapidity (vertical bar y vertical bar < 0.5) as a function of transverse momentum (P-T) using the ALICE detector at the CERN LHC. Furthermore, the single-particle p(T) distributions of K-S(0), Lambda, and (Lambda) over bar in inelastic pp collisions at root s = 7 TeV are reported here for the first time. The p(T) distributions are studied at midrapidity within the transverse momentum range 0 <= p(T) <= 20 GeV/c, depending on the particle species. The p(T) spectra, integrated yields, and particle yield ratios are discussed as a function of collision energy and compared with measurements at lower root s and with results from various general-purpose QCD-inspired Monte Carlo models. A hardening of the spectra at high p(T) with increasing collision energy is observed, which is similar for all particle species under study. The transverse mass and x(T) 2p(T)/root s scaling properties of hadron produc- tion are also studied. As the collision energy increases from root s = 7-13 TeV, the yields of non- and single-strange hadrons normalized to the pion yields remain approximately constant as a function of root s, while ratios for multi-strange hadrons indicate enhancements. The p(T)-differential cross sections of pi(+/-), K-+/- and p ((p) over bar) are compared with next-to-leading order perturbative QCD calculations, which are found to overestimate the cross sections for pi(+/-) and p ((p) over bar) at high p(T).
dc.identifier.citationProduction of light-flavor hadrons in pp collisions at root s=7 and root s=13 Tev / Acharya, S [et al.] // European Physical Journal C. - 2021. - 81. - № 3. - 10.1140/epjc/s10052-020-08690-5
dc.identifier.doi10.1140/epjc/s10052-020-08690-5
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-020-08690-5
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85103353960&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000632422000001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23841
dc.relation.ispartofEuropean Physical Journal C
dc.titleProduction of light-flavor hadrons in pp collisions at root s=7 and root s=13 Tev
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume81
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