A model density of states for Quarks and Gluons in QGP

Details A model density of states for Quarks and Gluons in QGP A model density of states for Quarks and Gluons in QGP

2011-03-25

arxiv.org/abs/1103.5049v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures LaTeX

Scientific paper

We propose an algebraic form for the density of states of quarks and gluons in a Quark-Gluon Plasma (QGP) fireball in quasi-equilibrium with a hadronic medium as $\rho(k)= \frac {\alpha}{k} + {\beta}k + {\delta}k^{2}$, and determine the parameters $\alpha$, $\beta$ and $\delta$ using Lattice Gauge results on the velocity of sound in QGP. The behaviour of the resulting $\rho(k)$ can be easily compared with the thermodynamic data on QGP that is expected from LHC and other RHIC experiments. Our numerical result shows a linear rise of the value of $\rho(k)$ for $k\sim T \approx 160 to 180 MeV$, which is significant, and throws light on the evolution of the QGP phase.

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