/ nucl-th arXiv:1608.00965

Three-fluid hydrodynamics based event simulation for collisions at NICA and FAIR energies

Batyuk, P. (Dubna, JINR) ; Blaschke, D. (Moscow Phys. Eng. Inst.) ; Bleicher, M. (Frankfurt U., FIAS) ; Ivanov, Yu. B. (Moscow Phys. Eng. Inst.) ; Karpenko, Iu. (INFN, Florence) ; Merts, S. (Dubna, JINR) ; Nahrgang, M. (SUBATECH, Nantes) ; Petersen, H. (Frankfurt U., FIAS) ; Rogachevsky, O. (Dubna, JINR)

Pages: 18

Abstract: We present a new event generator based on the three-fluid hydrodynamics approach for the early stage of the collision, followed by a particlization at the hydrodynamic decoupling surface to join to a microscopic transport model, UrQMD, to account for hadronic final state interactions. We present first results for nuclear collisions of the FAIR/NICA energy scan program (Au+Au collisions, $\sqrt{s_{NN}}=4-11$ GeV). We address the directed flow of protons and pions as well as the proton rapidity distribution for two model EoS, one with a first order phase transition the other with a crossover type softening at high densities. The new simulation program has the unique feature that it can describe a hadron-to-quark matter transition which proceeds in the baryon stopping regime that is not accessible to previous simulation programs designed for higher energies.

Web-Page: http://inspirehep.net/record/1478995/files/Delta-N.png; http://inspirehep.net/record/1478995/files/fig5_THESEUS.png; http://inspirehep.net/record/1478995/files/fig9_THESEUS.png; http://inspirehep.net/record/1478995/files/fig6_THESEUS.png; http://inspirehep.net/record/1478995/files/dndy_12jul.png; http://inspirehep.net/record/1478995/files/pt_12jul.png; http://inspirehep.net/record/1478995/files/3-EOS.png; http://inspirehep.net/record/1478995/files/Au20_mix_b6_nB.png; http://inspirehep.net/record/1478995/files/graphs_Cy_central.png; http://inspirehep.net/record/1478995/files/flows_43AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_70AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_30AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_20AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_15AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_10AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/flows_8AGeV_THESEUS.png; http://inspirehep.net/record/1478995/files/dNdY_prot_scan.png; http://inspirehep.net/record/1478995/files/graphs_Cy.png; http://inspirehep.net/record/1478995/files/Cy_pt_central.png; http://inspirehep.net/record/1478995/files/arXiv:1608.00965.pdf

Note: 18 pages, 16 figures, references added, minor changes in the text

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 Запись создана 2016-09-02, последняя модификация 2016-09-02

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