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Centrality Dependence of Thermal Parameters in Heavy-Ion Collisions at Relativistic Energies

Cleymans, J.; Kämpfer, B.; Wheaton, S.

The centrality dependence of thermal parameters, characterizing the hadron multiplicities, is determined phenomenologically
for lead-on-lead collisions at CERN-SPS for a beam energy of 158 A GeV.
The strangeness equilibration factor shows a clear, approximately linear, increase with increasing centrality, while the freeze-out temperature and chemical potential remain constant.

  • Phys. Rev. C 65 (2002) 027901-1 bis 027901-4

Permalink: https://www.hzdr.de/publications/Publ-4815
Publ.-Id: 4815