Accelerating hydrodynamic description of pseudorapidity density and the initial energy density in p+p , Cu + Cu, Au + Au, and Pb + Pb collisions at energies available at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider

Nov 29, 2017
9 pages
Published in:
  • Phys.Rev.C 97 (2018) 6, 064906
  • Published: Jun 12, 2018
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Abstract: (APS)
A known class of analytic, exact, accelerating solutions of prefect relativistic hydrodynamics with longitudinal acceleration is utilized to describe results on the pseudorapidity distributions for different collision systems. These results include dN/dη measured in p+p, Cu+Cu, Au+Au, and Pb+Pb collisions at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider, in a broad centrality range. Going beyond the traditional Bjorken model, from the accelerating hydrodynamic description we determine the initial energy density and other thermodynamic quantities in those collisions.
Note:
  • 21 pages, 7 figures
  • energy: density
  • hydrodynamics: relativistic
  • rapidity: density
  • Brookhaven RHIC Coll
  • CERN LHC Coll
  • thermodynamical
  • expansion: Bjorken
  • quantum chromodynamics: equation of state
  • heavy ion: scattering
  • p p: scattering
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