Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-30
Pramana 74:27-37,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
21 pages,8 figures
Scientific paper
10.1007/s12043-010-0004-0
The free energy of a Quark-Gluon Plasma fireball in the hadronic medium is calculated in the Ramanathan et al. statistical model including the effect of curvature. The result with this curvature is found to produce significant improvement from earlier results in all the parameters we calculated. The surface tension with this curvature effect is found to be $ 0.17 T_{c}^{3}$, which is two times the earlier value of surface tension which is $ 0.078 T_{c}^{3} $, and it is nearly close to the lattice value $0.24 T_{c}^{3} $. The speed of sound calculated with curvature correction is still found to be smaller in comparision with the standard speed of sound in the QGP droplet.
Gosain D. S.
Jha Agam K.
Kumar Yogesh
Singh Sumeetpal S.
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