Nonequilibrium pion distribution within the Zubarev approach

Abstract

We discuss how the nonequilibrium process of pion production within the Zubarev approach of the nonequilibrium statistical operator leads to a theoretical foundation for the appearance of a nonequilibrium pion chemical potential for the pion distribution function for which there is experimental evidence in experiments at the CERN LHC.

arXiv comment11 pages

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• Structure formation during phase transitions in strongly interacting matter
• Deuteron yields from LHC: Continuum correlations and in-medium effects
• Investigating the soft and hard limits in transverse momentum spectra in pp collisions
• Cosmological particle creation in the little bang
• Nonequilibrium Phenomenology of Identified Particle Spectra in Heavy-Ion Collisions at LHC Energies