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Flow fluctuations in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

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dc.contributor.authorZhou, M. L.
dc.contributor.authorAaboud, M.
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorBelotskiy, K.
dc.contributor.authorBelyaev, N. L.
dc.contributor.authorBulekov, O.
dc.contributor.authorKantserov, V. A.
dc.contributor.authorPonomarenko, D.
dc.contributor.authorProklova, N.
dc.contributor.authorRomaniouk, A.
dc.contributor.authorShulga, E.
dc.contributor.authorSmirnov, N.
dc.contributor.authorSmirnov, S. Y.
dc.contributor.authorSmirnov, Y.
dc.contributor.authorSoldatov, E. Y.
dc.contributor.authorTikhomirov, V. O.
dc.contributor.authorTimoshenko, S.
dc.contributor.authorVorobev, K.
dc.contributor.authorБелоцкий, Константин Михайлович
dc.contributor.authorБулеков, Олег Владимирович
dc.contributor.authorРоманюк, Анатолий Самсонович
dc.contributor.authorСмирнов, Сергей Юрьевич
dc.contributor.authorСмирнов, Юрий Сергеевич
dc.contributor.authorСолдатов, Евгений Юрьевич
dc.contributor.authorТихомиров, Владимир Олегович
dc.contributor.authorТимошенко, Сергей Леонидович
dc.contributor.authorВоробьёв, Константин Александрович
dc.date.accessioned2024-11-21T15:56:46Z
dc.date.available2024-11-21T15:56:46Z
dc.date.issued2019
dc.description.abstractMeasurements of four-particle cumulants c(n){4} for n = 1, 2, 3, 4 are presented using 470 mu b(-1) of Pb+Pb collisions at root s(NN) = 5.02 TeV with the ATLAS detector at the LHC. These cumulants provide information on the event-by-event fluctuations of single harmonics p(v(n)). For the first time, a negative c(1){4} is observed. The c(4){4} is found to be negative in central collisions but changes sign around 20-25% centrality. This behavior is consistent with a nonlinear contribution to v(4) that is proportional to v(2)(2). c(2){4} and c(3){4} are calculated using two reference event classes in order to investigate the influence of volume fluctuations. Over most of the centrality range, c(2){4} and c(3){4} are found to be negative, while in the ultra-central collisions, c(2){4} changes sign and becomes positive, suggesting a deviation from Gaussian behavior in the event-by-event fluctuation of v(2). The magnitudes of the sign change are also found to be dependent of the event class definition .
dc.format.extentС. 323-326
dc.identifier.citationFlow fluctuations in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector / Zhou, ML [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 323-326. - 10.1016/j.nuclphysa.2018.09.012
dc.identifier.doi10.1016/j.nuclphysa.2018.09.012
dc.identifier.urihttps://www.doi.org/10.1016/j.nuclphysa.2018.09.012
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000457515500066
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19113
dc.relation.ispartofNUCLEAR PHYSICS A
dc.titleFlow fluctuations in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume982
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