Probing the tricritical endpoint of QCD phase diagram at NICA-FAIR energies

TL;DR

This paper explores the QCD phase diagram's tricritical point using a novel hadron resonance gas model with induced surface tension, suggesting specific energy ranges for chiral symmetry restoration and deconfinement transitions.

Contribution

It introduces a new version of the hadron resonance gas model based on induced surface tension and provides arguments for the energy ranges of phase transitions in nuclear collisions.

Findings

Chiral symmetry restoration may occur at 4.3-4.9 GeV

Deconfinement transition may occur at 8.8-9.2 GeV

Unique thermodynamic properties support these hypotheses

Abstract

In this contributions we discuss the novel version of hadron resonance gas model which is based on the induced surface tension concept. Also we present new arguments in favor of a hypothesis that the chiral symmetry restoration transition in central nuclear collisions may occur at the center of mass energies 4.3-4.9 GeV and that the deconfinement phase transition may occur at the center of mass energies 8.8-9.2 GeV. These arguments are based on the unique thermostatic properties of the mixed phase and the ones of an exponential mass spectrum of hadrons.