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The QCD Phase Diagram and Hadron Formation in Relativistic Nuclear Collisions

  • Francesco Becattini
  • Marcus Bleicher
  • Jan Steinheimer
  • Reinhard StockEmail author
Chapter
Part of the FIAS Interdisciplinary Science Series book series (FIAS)

Abstract

We analyze hadrochemical freeze-out in central collisions of heavy nuclei at AGS, SPS and LHC energies. Employing the UrQMD hybrid transport model we study the effects of the final hadron/resonance expansion phase on the hadron multiplicities established at hadronization. The bulk meson yields freeze out directly at hadronization and essentially survive the expansion, whereas the baryon-antibaryon sector is subject to annihilation and regeneration processes, causing significant alterations. We quantify the latter changes by survival factors which are then applied to modify the statistical model predictions for the data. The modified SHM analysis recovers the hadronization points, which are compared to the recent lattice QCD predictions of the parton-hadron transition line in the QCD phase diagram, at finite baryochemical potential.

Keywords

Multiplicity Distribution Statistical Model Analysis Statistical Hadronization Model Hadronic Species Phase Boundary Line 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2017

Authors and Affiliations

  • Francesco Becattini
    • 1
  • Marcus Bleicher
    • 2
  • Jan Steinheimer
    • 2
  • Reinhard Stock
    • 3
    Email author
  1. 1.Universita di Firenze and INFN Sezione di FirenzeFirenzeItaly
  2. 2.Frankfurt Institute of Advanced Studies (FIAS)FrankfurtGermany
  3. 3.Institut fuer KernphysikGoethe UniversitaetFrankfurtGermany

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