arXiv subjects

N. Bilić

Publications and source records attributed to N. Bilić.

3 recordsLinked to original sources

arXiv1994

Gluon Decay as a Mechanism for Strangeness Production in a Quark-Gluon Plasma

A calculation of thermal gluon decay shows that this process contributes significantly to strangeness production in a quark-gluon plasma. Our analysis does not support recent claims that this is the dominant process. In our calculations we take into account the resummed form of the transverse and longitudinal parts of the gluon propagator following the Braaten-Pisarski method. Our results are subject to the uncertainty concerning the estimate of the damping rate entering the effective gluon propagator.

hep-ph↗

arXiv1994

Relating the pion decay constant to the chiral restoration temperature

We review the relationship between the pion decay constant $f_π$, the chiral symmetry restoration temperature $T_c$ and the phenomenology of low energy chiral symmetry breaking in view of the recent confirmation of the existence of a sigma meson with a mass of 600-700 MeV.

hep-ph↗

arXiv1993

Indications for a Detonating Quark-Gluon Plasma

We propose a mechanism which naturally contains the relation $μ_{B} = 3μ_{S}$ of the hadronic gas produced in heavy-ion collisions at CERN. Our starting assumption is the existence of a sharp front separating the quark-gluon plasma phase from the hadronic phase. Energy-momentum conservation across the front leads to the following consequences for an adiabatic process a) The baryon chemical potential, $μ_{B}$, is approximately continuous across the front. b) The temperature in the hadronic gas is higher than the phase transition temperature due to superheating. c) In the region covered by the experiments the velocity of the hadronic gas approximately equals the speed of sound in the hadronic gas.

hep-ph↗