Measurement of the azimuthal anisotropy of charged-particle production in Xe+Xe collisions at sNN =5.44 TeV with the ATLAS detector

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dc.contributor.authorG, Aad
dc.contributor.authorB, Abbott
dc.contributor.authorD.C, Abbott
dc.contributor.authorA, Abed Abud
dc.contributor.authorK., Abeling
dc.contributor.authorD.K, Abhayasinghe
dc.contributor.authorS.H, Abidi
dc.contributor.authorO.S, Abouzeid
dc.contributor.authorN.L, Abraham
dc.contributor.authorH, Abramowicz
dc.contributor.authorH, Abreu
dc.contributor.authorY., Abulaiti
dc.date.accessioned2021-10-25T13:16:27Z
dc.date.available2021-10-25T13:16:27Z
dc.date.issued2020-02
dc.description.abstractThis paper describes the measurements of flow harmonics v2-v6 in 3μb-1 of Xe+Xe collisions at sNN=5.44 TeV performed using the ATLAS detector at the Large Hadron Collider (LHC). Measurements of the centrality, multiplicity, and pT dependence of the vn obtained using two-particle correlations and the scalar product technique are presented. The measurements are also performed using a template-fit procedure, which was developed to remove nonflow correlations in small collision systems. This nonflow removal is shown to have a significant influence on the measured vn at high pT, especially in peripheral events. Comparisons of the measured vn with measurements in Pb+Pb collisions and p+Pb collisions at sNN=5.02 TeV are also presented. The vn values in Xe+Xe collisions are observed to be larger than those in Pb+Pb collisions for n=2, 3, and 4 in the most central events. However, with decreasing centrality or increasing harmonic order n, the vn values in Xe+Xe collisions become smaller than those in Pb+Pb collisions. The vn in Xe+Xe and Pb+Pb collisions are also compared as a function of the mean number of participating nucleons, (Npart), and the measured charged-particle multiplicity in the detector. The v3 values in Xe+Xe and Pb+Pb collisions are observed to be similar at the same (Npart) or multiplicity, but the other harmonics are significantly different. The ratios of the measured vn in Xe+Xe and Pb+Pb collisions, as a function of centrality, are also compared to theoretical calculations. © 2020 CERN.es
dc.description.sponsorshipIndexación: Scopuses
dc.identifier.citationPhysical Review COpen Access Volume 101, Issue 2February 2020 Article number 024906es
dc.identifier.issn24699985
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/20608
dc.language.isoenes
dc.publisherAmerican Physical Societyes
dc.titleMeasurement of the azimuthal anisotropy of charged-particle production in Xe+Xe collisions at sNN =5.44 TeV with the ATLAS detectores
dc.typeArtículoes
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