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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/066/04/0797-0807

    • Keywords

       

      Collective flow; heavy-ion collision; equation of state

    • Abstract

       

      Proton collective flows in heavy-ion collisions from AGS ((2–11) A GeV) to SPS ((40,158) A GeV) energies are investigated in a nonequilibrium transport model with nuclear mean-field (MF). Sideward (px), directedv1, and ellipticv2 flows are systematically studied with different assumptions on the nuclear equation of state (EoS). We find that momentum dependence in the nuclear MF is important for understanding the proton collective flows at AGS and SPS energies. Calculated results with momentum-dependent MF qualitatively reproduce the experimental data of proton sideward, directed, and elliptic flows in an incident energy range of (2–158) A GeV

    • Author Affiliations

       

      A Ohnishi1 M Isse1 N Otuka2 P K Sahu3 Y Nara4

      1. Division of Physics, Graduate School of Science, Hokkaido University, Sapporo, Hokkaido - 060-0810, Japan
      2. Nuclear Data Center, Department of Nuclear Energy System, Japan Atomic Energy Research Institute, Tokai, Ibaraki - 319-1195, Japan
      3. Institute of Physics, Sachivalaya Marg, Bhubaneswar - 751 005, India
      4. Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, Robert-Mayer-Str. 10, Frankfurt am Main - 60325, Germany

    • Dates

       
      Published
      April 2006

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