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The influence of strange quarks on QCD phase diagram and chemical freeze-out: Results from the hadron resonance gas model

A. Tawfik
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Abstract

We confront the lattice results on QCD phase diagram for two and three flavors with the hadron resonance gas model. Taking into account the truncations in the Taylor-expansion of energy density $ε$ done on the lattice at finite chemical potential $μ$, we find that the hadron resonance gas model under the condition of constant $ε$ describes very well the lattice phase diagram. We also calculate the chemical freeze-out curve according to the entropy density $s$. The $s$-values are taken from lattice QCD simulations with two and three flavors. We find that this condition is excellent in reproducing the experimentally estimated parameters of the chemical freeze-out.

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A. Tawfik. 2004-10-25. The influence of strange quarks on QCD phase diagram and chemical freeze-out: Results from the hadron resonance gas model. https://doi.org/10.1088/0954-3899%2F31%2F6%2F068

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