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Blast-wave-Tsallis-power model for pT spectra and elliptic flow v2 of hadrons in collisions of identical nuclei at energies available at the CERN Large Hadron Collider

Smbat Grigoryan*

  • *Contact author: Smbat.Grigoryan@cern.ch
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Phys. Rev. C 113, 014903 – Published 8 January, 2026

DOI: https://doi.org/10.1103/yb33-p593

Abstract

A generalization of the phenomenological blast-wave-Tsallis-power model, recently proposed by the author for the hadrons' transverse momentum (pT) spectra measured at the CERN Large Hadron Collider (LHC), is developed to also describe the hadrons' pT-differential elliptic flow coefficients v2 in identical nuclei collisions of different centralities. The model describes well the available data on pT spectra and v2 for any pT of various particles, from pions to charmonia, in Pb-Pb collisions at sNN= 2.76 and 5.02 TeV and in Xe-Xe collisions at sNN= 5.44 TeV. Also, predictions for OO collisions at sNN= 5.36 TeV are given. While the model is mainly targeting the energies available at the LHC, it also works at much lower energies available at the BNL Relativistic Heavy Ion Collider.

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Phys. Rev. C 113, 014903– Published 8 January, 2026
  • Received 3 September 2025
  • Revised 28 October 2025
  • Accepted 20 November 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

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