Blast-wave-Tsallis-power model for $p_{\mathrm{T}}$-spectra and elliptic flow $v_2$ of hadrons in collisions of identical nuclei at energies available at the Large Hadron Collider

Abstract

A generalization of the phenomenological blast-wave-Tsallis-power model, recently proposed by the author for the hadrons transverse momentum ($p_{\text{T}}$) spectra measured at the LHC, is developed to also describe the hadrons $p_{\text{T}}$-differential elliptic flow coefficients $v_2$ in identical nuclei collisions of different centralities. The model describes well the available data on $p_{\text{T}}$-spectra and $v_2$ for any $p_{\text{T}}$ of various particles, from pions to charmonia, in Pb--Pb at $\sqrt{s_{\mathrm{NN}}}=$ 2.76 and 5.02~TeV, and in Xe--Xe at $\sqrt{s_{\mathrm{NN}}}=$ 5.44~TeV. Also, predictions for OO collisions at $\sqrt{s_{\mathrm{NN}}}=$ 5.36~TeV are given. While the model is mainly targeting the LHC energies, it also works at much lower RHIC energies.

14 pages, 15 figures, 3 tables

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