High Baryon Densities Achieveable at RHIC and LHC

Research output: Contribution to journalArticle

Abstract

In high energy collisions nuclei are practically transparent to each other but produce very hot, nearly baryon-free, matter in the central rapidity region. Where do the baryons go? We calculate the energy loss of the nuclei using the color glass condensate model. Using a space-time picture of the collision we calculate the baryon and energy densities of the receding baryonic fireballs. For central collisions of large nuclei at RHIC and LHC we find baryon densities more than ten times that of atomic nuclei over a large volume which appear at high rapidities. These results can and are being used as initial conditions for subsequent hydrodynamic evolution and could test the equation of state of matter at very high baryon densities.

Original languageEnglish (US)
Pages (from-to)903-906
Number of pages4
JournalNuclear Physics A
Volume982
DOIs
StatePublished - Feb 2019

Keywords

  • Baryon density
  • Nuclear stopping
  • Rapidity scan

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