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Universal scaling of the elliptic flow data at RHIC

  • M. Csanad
  • T. Csorgo
  • A. Ster
  • Bengt Lörstad
  • N. N. Ajitanand
  • J. M. Alexander
  • P. Chung
  • W. G. Holzmann
  • M. Issah
  • R. A. Lacey
Publiceringsår: 2008
Språk: Engelska
Sidor: 363-368
Publikation/Tidskrift/Serie: European Physical Journal A - Hadrons and Nuclei
Volym: 38
Nummer: 3
Dokumenttyp: Artikel
Förlag: Springer Berlin / Heidelberg


Recent PHOBOS measurements of the excitation function for the pseudo-rapidity dependence of the elliptic flow in Au + Au collisions at RHIC have posed a significant theoretical challenge. Here we show that these differential measurements, as well as the RHIC measurements on transverse momentum satisfy a universal scaling relation predicted by the Buda-Lund model, based on exact solutions of perfect fluid hydrodynamics. We also show that the recently found transverse kinetic energy scaling of the elliptic flow is a special case of this universal scaling.



  • Physics and Astronomy


  • ISSN: 1434-6001

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