Recent Results of the Hadron Resonance Gas Model and the Chemical Freeze-out of Strange Hadrons

Autor:	Bugaev, K. A., Ivanytskyi, A. I., Oliinychenko, D. R., Nikonov, E. G., Sagun, V. V., Zinovjev, G. M.
Rok vydání:	2014
Předmět:	High Energy Physics - Phenomenology Nuclear Theory
Druh dokumentu:	Working Paper
Popis:	A detailed discussion of recent results obtained within the hadron resonance gas model with the multi-component hard core repulsion is presented. Among them there are the adiabatic chemical freeze-out criterion, the concept of separate chemical freeze-out of strange particles and the effects of enhancement and sharpening of wide resonances and quark gluon bags occurring in a thermal medium. These findings are discussed in order to strengthen the planned heavy-ion collision experimental programs at low collision energies. We argue, that due to found effects, at the center of mass collision energy 4-8 GeV the quark gluon bags may appear directly or in decays as new heavy resonances with the narrow width of about 50-150 MeV and with the mass above 2.5 GeV. Comment: 11 pages, 6 figures. minor changes of text
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1412.6571 Zobrazit plný text záznamu View this record from Arxiv