Multiplicity difference correlators under first-order QGP phase transition

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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4 pages, RevTeX, 3 figures in EPS format

Scientific paper

10.1088/0954-3899/24/10/011

The multiplicity difference correlators between two well-separated bins in high-energy heavy-ion collisions are studied as a means to detect evidence of a first-order quark-hadron phase transition. Analytical expressions for the scaled factorial moments of multiplicity difference distribution are obtained for small bin size $\delta$ with mean multiplicity in the bin ${\bar s}\le 1.0$ within Ginzburg-Landau description. The scaling behaviors between the moments are still valid, though they behave completely different from the so-called intermittency patterns. A universal exponent $\gamma=1.4066$ is given to describe the dynamical fluctuations in the phase transition in small $\delta$ limit.

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