Bratkovskaya, E.L. (Rio de Janeiro Federal U.) ; Cassing, W. (Giessen U.) ; Konchakovski, V.P. (Giessen U.) ; Toneev, V.D. (Dubna, JINR)
Published in: Astron.Nachr.
Vol.: 336 Num./Issue: 8/9
Page No: 825-830
Year: 2015-11-01 published
Abstract: The dynamics of partons and hadrons in relativistic nucleus-nucleus collisions is analyzed within the Parton-HadronString Dynamics (PHSD) transport approach which is based on a dynamical quasiparticle model for the partonic phase (DQPM) including a dynamical hadronization scheme with covariant transition rates. The PHSD approach is applied to nucleus-nucleus collisions from FAIR/NICA to LHC energies. The traces of partonic interactions are found in particular in the directed and elliptic flow of hadrons and in their transverse mass spectra. Whereas at RHIC and LHC energies the dynamics is dominated by partonic degrees-of-freedom in the hot QGP, we find at FAIR/NICA energies a moderately hot but dense matter where chiral symmetry restoration and hadronic potentials appear to play a major role. (© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)