Effects of Superstatistics on the Location of the Effective QCD Critical End Point

  • A. Ayala Instituto de Ciencias Nucleares, Universidad Nacional Aut´onoma de M´exico, Centre for Theoretical and Mathematical Physics, and Department of Physics, University of Cape Town
  • M. Hentschinski Departamento de Actuar´ıa, F´ısica y Matem´aticas, Universidad de las Am´ericas Puebla
  • L. A. Hernández Instituto de Ciencias Nucleares, Universidad Nacional Aut´onoma de M´exico
  • M. Loewe Instituto de F´ısica, Pontificia Universidad Cat´olica de Chile, Centre for Theoretical and Mathematical Physics, and Department of Physics, University of Cape Town, Centro Cient´ıfico-Tecnol´ogico de Valpara´ıso CCTVAL, Universidad T´ecnica Federico Santa Mar´ıa
  • R. Zamora Instituto de Ciencias B´asicas, Universidad Diego Portales
Keywords: superstatistics, QCD phase diagram, critical end point, relativistic heavy-ion collisions

Abstract

Effects of the partial thermalization during the chiral symmetry restoration at the finite temperature and quark chemical potential are considered for the position of the critical end point in an effective description of the QCD phase diagram. We find that these effects cause the critical end point to be displaced toward larger values of the temperature and lower values of the quark chemical potential, as compared to the case where the system can be regarded as completely thermalized. These effects may be important for relativistic heavy ion collisions, where the number of subsystems making up the whole interaction volume can be linked to the finite number of participants in the reaction.

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Published
2019-09-18
How to Cite
Ayala, A., Hentschinski, M., Hernández, L., Loewe, M., & Zamora, R. (2019). Effects of Superstatistics on the Location of the Effective QCD Critical End Point. Ukrainian Journal of Physics, 64(8), 665. https://doi.org/10.15407/ujpe64.8.665
Section
New Trends in High-Energy Physics (Conference materials)