Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8505
Title: Charged-particle angular correlations in XeXe collisions at root s(NN)=5.44 TeV
Authors: Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Karapınar, Güler
CMS Collaboration
Karapınar, Güler
Izmir Institute of Technology. Mathematics
Issue Date: 2019
Publisher: American Physical Society
Abstract: Azimuthal correlations of charged particles in xenon-xenon collisions at a center-of-mass energy per nucleon pair of root s(NN) = 5.44 TeV are studied. The data were collected by the CMS experiment at the LHC with a total integrated luminosity of 3.42 mu b(-1). The collective motion of the system formed in the collision is parametrized by a Fourier expansion of the azimuthal particle density distribution. The azimuthal anisotropy coefficients v(2), v(3), and v(4) are obtained by the scalar-product, two-particle correlation, and multiparticle correlation methods. Within a hydrodynamic picture, these methods have different sensitivities to noncollective and fluctuation effects. The dependence of the Fourier coefficients on the size of the colliding system is explored by comparing the xenon-xenon results with equivalent lead-lead data. Model calculations that include initial-state fluctuation effects are also compared to the experimental results. The observed angular correlations provide new constraints on the hydrodynamic description of heavy ion collisions.
Description: WOS: 000488783600005
URI: https://doi.org/10.1103/PhysRevC.100.044902
https://hdl.handle.net/11147/8505
ISSN: 2469-9985
2469-9993
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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