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Measurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN=5.02TeV with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbud, A. A.
dc.contributor.authorBelotskiy, K.
dc.contributor.authorBelyaev, N. L.
dc.contributor.authorBulekov, O.
dc.contributor.authorKantserov, V. A.
dc.contributor.authorKurova, A.
dc.contributor.authorPonomarenko, D.
dc.contributor.authorProklova, N.
dc.contributor.authorRomaniouk, A.
dc.contributor.authorSmirnov, N.
dc.contributor.authorSmirnov, S. Y.
dc.contributor.authorSmirnov, Y.
dc.contributor.authorSoldatov, E. Y.
dc.contributor.authorTimoshenko, S.
dc.contributor.authorVorobev, K.
dc.contributor.authorTikhomirov, V. O.
dc.contributor.authorБелоцкий, Константин Михайлович
dc.contributor.authorБулеков, Олег Владимирович
dc.contributor.authorКурова, Анастасия Сергеевна
dc.contributor.authorРоманюк, Анатолий Самсонович
dc.contributor.authorСмирнов, Сергей Юрьевич
dc.contributor.authorСмирнов, Юрий Сергеевич
dc.contributor.authorСолдатов, Евгений Юрьевич
dc.contributor.authorТимошенко, Сергей Леонидович
dc.contributor.authorВоробьёв, Константин Александрович
dc.contributor.authorТихомиров, Владимир Олегович
dc.date.accessioned2024-11-21T15:10:18Z
dc.date.available2024-11-21T15:10:18Z
dc.date.issued2019
dc.description.abstract© 2019, CERN for the benefit of the ATLAS collaboration.To assess the properties of the quark–gluon plasma formed in ultrarelativistic ion collisions, the ATLAS experiment at the LHC measures a correlation between the mean transverse momentum and the flow harmonics. The analysis uses data samples of lead–lead and proton–lead collisions obtained at the centre-of-mass energy per nucleon pair of 5.02 TeV, corresponding to total integrated luminosities of 22μb-1 and 28nb-1, respectively. The measurement is performed using a modified Pearson correlation coefficient with the charged-particle tracks on an event-by-event basis. The modified Pearson correlation coefficients for the 2nd-, 3rd-, and 4th-order flow harmonics are measured in the lead–lead collisions as a function of event centrality quantified as the number of charged particles or the number of nucleons participating in the collision. The measurements are performed for several intervals of the charged-particle transverse momentum. The correlation coefficients for all studied harmonics exhibit a strong centrality evolution, which only weakly depends on the charged-particle momentum range. In the proton–lead collisions, the modified Pearson correlation coefficient measured for the 2nd-order flow harmonics shows only weak centrality dependence. The lead-lead data is qualitatively described by the predictions based on the hydrodynamical model.
dc.identifier.citationMeasurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN=5.02TeV with the ATLAS detector / Aad, G. [et al.] // European Physical Journal C. - 2019. - 79. - № 12. - 10.1140/epjc/s10052-019-7489-6
dc.identifier.doi10.1140/epjc/s10052-019-7489-6
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-019-7489-6
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85076102833&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000505552500002
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18978
dc.relation.ispartofEuropean Physical Journal C
dc.titleMeasurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at √sNN=5.02TeV with the ATLAS detector
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume79
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