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Article
Report number arXiv:1805.01832 ; CERN-EP-2018-090
Title Anisotropic flow in Xe-Xe collisions at sNN=5.44 TeV
Author(s) ALICE Collaboration  Show all 1016 authors
Corporate author(s) The ALICE collaboration
Publication 2018-09-10
Imprint 30 Apr 2018
Number of pages 14
Note 23 pages, 7 captioned figures, authors from page 18, figures at http://aliceinfo.cern.ch/ArtSubmission/node/4271
Published in: Phys. Lett. B 784 (2018) 82-95
DOI 10.1016/j.physletb.2018.06.059
Subject category Nuclear Physics - Experiment ; nucl-ex
Accelerator/Facility, Experiment CERN LHC ; ALICE
Keywords relativistic heavy ion physics ; quark gluon plasma ; collective flow ; experimental results
Abstract The first measurements of anisotropic flow coefficients vn for mid-rapidity charged particles in Xe-Xe collisions at sNN=5.44 TeV are presented. Comparing these measurements to those from Pb-Pb collisions at sNN=5.02 TeV, v2 is found to be suppressed for mid-central collisions at the same centrality, and enhanced for central collisions. The values of v3 are generally larger in Xe-Xe than in Pb-Pb at a given centrality. These observations are consistent with expectations from hydrodynamic predictions. When both v2 and v3 are divided by their corresponding eccentricities for a variety of initial state models, they generally scale with transverse density when comparing Xe-Xe and Pb-Pb, with some deviations observed in central Xe-Xe and Pb-Pb collisions. These results assist in placing strong constraints on both the initial state geometry and medium response for relativistic heavy-ion collisions.
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Copyright/License Preprint: © 2018-2025 CERN (License: CC-BY-4.0)
Submitted by david.dobrigkeit.chinellato@cern.ch



 


 Record created 2018-04-30, last modified 2025-01-14


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