Analytical investigation for multiplicity difference correlators under QGP phase transition

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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5 pages, RevTeX, three figures in EPS format

Scientific paper

10.1103/PhysRevC.57.2049

It is suggested that the study of multiplicity difference correlators between two well-separated bins in high-energy heavy-ion collisions can be used as a means to detect evidence of a quark-hadron phase transition. Analytical expressions for the scaled factorial moments of multiplicity difference distribution are obtained in a kinetical region ${\bar s}\le 0.3$ within Ginzburg-Landau description. It is shown that the scaling behaviors between the moments are still valid, though the behaviors of the moments with respect to the bin size are completely different from the so-called intermittency patterns. A universal exponent $\gamma$ is given to describe the dynamical fluctuations in the phase transition.

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