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dc.contributor.authorALICE Collaboration
dc.date.accessioned2024-06-06T05:49:20Z
dc.date.available2024-06-06T05:49:20Z
dc.date.issued2024
dc.identifier.citationALICE Collaboration. (2024). Pseudorapidity dependence of anisotropic flow and its decorrelations using long-range multiparticle correlations in Pb–Pb and Xe–Xe collisions. <i>Physics Letters B</i>, <i>850</i>, Article 138477. https://doi.org/10.1016/j.physletb.2024.138477
dc.identifier.otherCONVID_216017631
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/95565
dc.description.abstractThe pseudorapidity dependence of elliptic (v2), triangular (v3), and quadrangular (v4) flow coefficients of charged particles measured in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of √sNN=5.02 TeV and in Xe-Xe collisions at √sNN=5.44 TeV with ALICE at the LHC are presented. The measurements are performed in the pseudorapidity range −3.5<η<5 for various centrality intervals using two- and multi-particle cumulants with the subevent method. The flow probability density function (p.d.f.) is studied with the ratio of flow coefficient v2 calculated with four- and two-particle cumulant, and suggests that the variance of flow p.d.f. is independent of pseudorapidity. The decorrelation of the flow vector in the longitudinal direction is probed using two-particle correlations. The results measured with respect to different reference regions in pseudorapidity exhibit differences, argued to be a result of saturating decorrelation effect above a certain pseudorapidity separation, in contrast to previous publications which assign this observation to non-flow effects. The results are compared to 3+1 dimensional hydrodynamic and the AMPT transport model calculations. Neither of the models is able to simultaneously describe the pseudorapidity dependence of measurements of anisotropic flow and its fluctuations. The results presented in this work highlight shortcomings in our current understanding of initial conditions and subsequent system expansion in the longitudinal direction. Therefore, they provide input for its improvement.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofseriesPhysics Letters B
dc.rightsCC BY 4.0
dc.titlePseudorapidity dependence of anisotropic flow and its decorrelations using long-range multiparticle correlations in Pb–Pb and Xe–Xe collisions
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202406064325
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.relation.issn0370-2693
dc.relation.volume850
dc.type.versionpublishedVersion
dc.rights.copyright© 2024 The Author(s). Published by Elsevier B.V. Funded by SCOAP³.
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber346327
dc.relation.grantnumber346328
dc.relation.grantnumber824093
dc.relation.grantnumber824093
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/H2020/824093/EU//STRONG-2020
dc.subject.ysohiukkasfysiikka
dc.subject.ysoydinfysiikka
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p15576
jyx.subject.urihttp://www.yso.fi/onto/yso/p14759
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1016/j.physletb.2024.138477
dc.relation.funderResearch Council of Finlanden
dc.relation.funderResearch Council of Finlanden
dc.relation.funderEuropean Commissionen
dc.relation.funderSuomen Akatemiafi
dc.relation.funderSuomen Akatemiafi
dc.relation.funderEuroopan komissiofi
jyx.fundingprogramCentre of Excellence, AoFen
jyx.fundingprogramCentre of Excellence, AoFen
jyx.fundingprogramRIA Research and Innovation Action, H2020en
jyx.fundingprogramHuippuyksikkörahoitus, SAfi
jyx.fundingprogramHuippuyksikkörahoitus, SAfi
jyx.fundingprogramRIA Research and Innovation Action, H2020fi
jyx.fundinginformationIn addition, individual groups or members have received support from: European Research Council, Strong 2020 Horizon 2020 (grant nos. 950692, 824093), European Union; Academy of Finland (Center of Excellence in Quark Matter) (grant nos. 346327, 346328), Finland.
dc.type.okmA1


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