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Investigation of the nuclear modification factor from RHIC to LHC energies using the Boltzmann transport equation in conjunction with the q-Weibull distribution

Rohit Gupta*

  • Department of Physics, Kashi Naresh Government Post Graduate College, Gyanpur, Bhadohi 221304, Uttar Pradesh, India

  • *Contact author: rohitg876@gmail.com
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Phys. Rev. D 113, 054026 – Published 18 March, 2026

DOI: https://doi.org/10.1103/f9ct-rzbz

Abstract

The study of nuclear modification factor is crucial in advancing our knowledge of the hot and dense nuclear matter created during high energy heavy-ion collision. In this direction, we have developed a theoretical model for the nuclear modification factor using the Boltzmann transport equation in relaxation time approximation with the q-Weibull distribution as the final state distribution and studied the experimental data of nuclear modification factor of charged hadrons as well as identified particles at various energies ranging from 7.7 GeV measured at RHIC up to the maximum value of 5.44 TeV studied in LHC. We observed a good agreement between the model and the experimental data as can be quantified using the χ2/NDF values. We have also studied the mass dependence of different fit parameters that appears in the theoretical model and observe a linear mass dependence of some parameters.

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Phys. Rev. D 113, 054026– Published 18 March, 2026
  • Received 20 December 2025
  • Accepted 26 February 2026
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