Pion production from a critical QCD phase

Details Pion production from a critical QCD phase Pion production from a critical QCD phase

2000-12-14

arxiv.org/abs/hep-ph/0012164v1

Nucl.Phys. A693 (2001) 799-824

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/S0375-9474(01)00921-6

A theoretical scheme which relates multiparticle states generated in ultrarelativistic nuclear collisions to a QCD phase transition is considered in the framework of the universality class provided by the 3-D Ising model. Two different evolution scenarios for the QGP system are examined. The statistical mechanics of the critical state is accounted for in terms of (critical) cluster formation consistent with suitably cast effective action functionals, one for each considered type of expansion. Fractal properties associated with these clusters, characterizing the density fluctuations near the QCD critical point, are determined. Monte-Carlo simulations are employed to generate events, pertaining to the total system, which correspond to signals associated with unconventional sources of pion production.

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