Anisotropic flow of identified hadrons in Xe-Xe collisions at root s(NN)=5.44 TeV

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The ALICE Collaboration , Acharya , S , Adamova , D , Kim , D J , Krizek , F , Molander , M A , Novitzky , N , Onnerstad , A , Parkkila , J E , Rytkönen , H M , Räsänen , S , Saarimäki , O A M , Slupecki , M & Trzaska , W H 2021 , ' Anisotropic flow of identified hadrons in Xe-Xe collisions at root s(NN)=5.44 TeV ' , Journal of High Energy Physics , no. 10 , 152 . https://doi.org/10.1007/JHEP10(2021)152

Title: Anisotropic flow of identified hadrons in Xe-Xe collisions at root s(NN)=5.44 TeV
Author: The ALICE collaboration; Acharya, S.; Adamova, D.; Kim, D. J.; Krizek, F.; Molander, Mikael Andreas; Novitzky, Norbert; Onnerstad, A.; Parkkila, J. E.; Rytkönen, Heidi Maria; Räsänen, Sami; Saarimäki, Oskari Antti Matti; Slupecki, M.; Trzaska, W. H.
Other contributor: University of Helsinki, University of Jyväskylä
University of Helsinki, The Czech Academy of Sciences
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Tsukuba
University of Helsinki, University of Jyväskylä
University of Helsinki, University of Jyväskylä
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Jyväskylä
Date: 2021-10-23
Language: eng
Number of pages: 36
Belongs to series: Journal of High Energy Physics
ISSN: 1029-8479
DOI: https://doi.org/10.1007/JHEP10(2021)152
URI: http://hdl.handle.net/10138/336563
Abstract: Measurements of elliptic (v(2)) and triangular (v(3)) flow coefficients of pi(+/-), K-+/-, p+(p) over bar, K-S(0), and Lambda+(Lambda) over bar obtained with the scalar product method in Xe-Xe collisions at root sNN = 5.44TeV are presented. The results are obtained in the rapidity range |y| < 0.5 and reported as a function of transverse momentum, p(T), for several collision centrality classes. The flow coefficients exhibit a particle mass dependence for pT < 3 GeV/c, while a grouping according to particle type (i.e., meson and baryon) is found at intermediate transverse momenta (3 < p(T) < 8 GeV/c). The magnitude of the baryon v(2) is larger than that of mesons up to pT = 6 GeV/c. The centrality dependence of the shape evolution of the p(T)-differential v(2) is studied for the various hadron species. The v(2) coefficients of pi(+/-), K-+/-, and p+(p) over bar are reproduced by MUSIC hydrodynamic calculations coupled to a hadronic cascade model (UrQMD) for p(T) < 1 GeV/c. A comparison with vn measurements in the corresponding centrality intervals in Pb-Pb collisions at root sNN = 5.02TeV yields an enhanced v(2) in central collisions and diminished value in semicentral collisions.
Subject: 114 Physical sciences
Heavy Ion Experiments
QUARK-GLUON PLASMA
ELLIPTIC FLOW
COALESCENCE MODEL
PERSPECTIVE
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