Nonextensive statistical effects in the quark-gluon plasma formation at relativistic heavy-ion collisions energies

Central European Journal of Physics - Tập 10 - Trang 594-601 - 2012
Gianpiero Gervino1,2, Andrea Lavagno3,2, Daniele Pigato3,2
1Dipartimento di Fisica, Università di Torino, Torino, Italy
2Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Torino, Torino, Italy
3Dipartimento di Fisica, Politecnico di Torino, Torino, Italy

Tóm tắt

We investigate the relativistic equation of state of hadronic matter and quark-gluon plasma at finite temperature and baryon density in the framework of the non-extensive statistical mechanics, characterized by power-law quantum distributions. We impose the Gibbs conditions on the global conservation of baryon number, electric charge and strangeness number. For the hadronic phase, we study an extended relativistic mean-field theoretical model with the inclusion of strange particles (hyperons and mesons). For the quark sector, we employ an extended MIT-Bag model. In this context we focus on the relevance of non-extensive effects in the presence of strange matter.

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