Adiabatic Chemical Freeze-out and Wide Resonance Modification in a Thermal Medium

@article{Bugaev2012AdiabaticCF,
  title={Adiabatic Chemical Freeze-out and Wide Resonance Modification in a Thermal Medium},
  author={Kyrill A. Bugaev and Dmytro Oliinychenko and Eduard G. Nikonov and Alexander S. Sorin and Gennady Zinovjev},
  journal={arXiv: High Energy Physics - Phenomenology},
  year={2012}
}
Here we develop a model equation of state which successfully parameterizes the thermodynamic functions of hadron resonance gas model at chemical freeze-out and which allows us to naturally explain the adiabatic chemical freeze-out criterion. The present model enables us to clearly demonstrate that at chemical freeze-out the resulting hadronic mass spectrum used in the hadron resonance gas model is not an exponential-like, but a power-like. We argue that such a property of hadronic mass spectrum… 
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