Molecular dynamics description of an expanding q/q̅ plasma with the Nambu--Jona-Lasinio model and applications to heavy ion collisions at RHIC and LHC energies release_w6wvfg5jr5dplbs57pf5o4rj3y

Abstract

We present a relativistic molecular dynamics approach based on the Nambu--Jona-Lasinio Lagrangian. We derive the relativistic time evolution equations for an expanding plasma, discuss the hadronization cross section and how they act in such a scenario. We present in detail how one can transform the time evolution equation to a simulation program and apply this program to study the expansion of a plasma created in experiments at RHIC and LHC. We present first results on the centrality dependence of v_2 and of the transverse momentum spectra of pions and kaons and discuss in detail the hadronisation mechanism.
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