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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/066/05/0809-0816

    • Keywords

       

      Relativistic heavy-ion collisions; hadron spectra

    • Abstract

       

      We analyze the spectra of pions and protons in heavy-ion collisions at relativistic energies from 2 A GeV to 65+65 A GeV by using a jet-implemented hadron-string cascade model. In this energy region, hadron transverse mass spectra first show softening until SPS energies, and re-hardening may emerge at RHIC energies. Since hadronic matter is expected to show only softening at higher energy densities, this re-hardening of spectra can be interpreted as a good signature of the quark-gluon plasma formation

    • Author Affiliations

       

      P K Sahu1 N Otuka2 3 M Isse2 Y Nara4 A Ohnishi2

      1. Institute of Physics, Sachivalaya Marg, Bhubaneswar - 751 005, India
      2. Division of Physics, Graduate School of Science, Hokkaido University, Sapporo - 060-0810, Japan
      3. Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki - 319-11, Japan
      4. Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, Robert-Mayer-Str.10, Frankfurt am Main - 60325, Germany

    • Dates

       
      Published
      May 2006

  • Pramana – Journal of Physics | News

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