Elliptic Flow of Identified Particles in Pb–Pb Collisions at s NN =5.02 TeV

In this paper, by using a Tsallis-Pareto-type function and the multisource thermal model, the elliptic flow coefficients of particles π ± , K ± , p+ p ¯ , Λ+ Λ ¯ , and K S 0 produced in Pb–Pb collisions at the center-of-mass energy of s NN =5.02TeV are investigated. In the process of collisional evo...

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Bibliographic Details
Published in:Advances in high energy physics 2020, Vol.2020 (2020), p.1-8
Main Authors: Fan, San-Hong, Gao, Li-Na, Ma, Yin-Qun, Wang, Er-Qin
Format: Article
Language:English
Subjects:
Anisotropy
Collisions
Deformation effects
Diffusion effects
Energy
Flow coefficients
Quarks
Thermal analysis
Thermal diffusion
Transverse momentum
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Summary:In this paper, by using a Tsallis-Pareto-type function and the multisource thermal model, the elliptic flow coefficients of particles π ± , K ± , p+ p ¯ , Λ+ Λ ¯ , and K S 0 produced in Pb–Pb collisions at the center-of-mass energy of s NN =5.02TeV are investigated. In the process of collisional evolution, because of geometric structure, pressure gradient, and thermal diffusion effects, deformation and translation occurred in the isotropic emission source, leading to anisotropy in the azimuth distribution of the final-state particles. Based on these dynamic factors, the dependence of elliptic flow on transverse momentum is described as well.
ISSN:1687-7357
1687-7365
DOI:10.1155/2020/9386130