Hadrochemical freeze-out parameters and effect of the hadron mass modification in heavy-ion collisions at √S N N = 130 GeV

Minjung Kweon, Byungsik Hong

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11 Citations (Scopus)

Abstract

We apply the chemical freeze-out model to the first available data on hadron yield ratios at the Relativistic Heavy-Ion Collider (RHIC) at √S N N = 130 GeV. The estimated chemical freeze-out temperature at RHIC is similar to that at the Super Proton Synchrotron (SPS), whereas the baryon and the strangeness chemical potentials are much smaller than those at the SPS. The effects of the modification of hadron masses on model parameters are also investigated. The chemical freeze-out temperature and chemical potentials are decreased by including the mass modification of haclrons.

Original languageEnglish
JournalJournal of the Korean Physical Society
Volume39
Issue number4 SUPPL. Part 1
Publication statusPublished - 2001 Oct 1

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ionic collisions
heavy ions
synchrotrons
protons
strangeness
baryons
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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abstract = "We apply the chemical freeze-out model to the first available data on hadron yield ratios at the Relativistic Heavy-Ion Collider (RHIC) at √S N N = 130 GeV. The estimated chemical freeze-out temperature at RHIC is similar to that at the Super Proton Synchrotron (SPS), whereas the baryon and the strangeness chemical potentials are much smaller than those at the SPS. The effects of the modification of hadron masses on model parameters are also investigated. The chemical freeze-out temperature and chemical potentials are decreased by including the mass modification of haclrons.",
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AU - Hong, Byungsik

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N2 - We apply the chemical freeze-out model to the first available data on hadron yield ratios at the Relativistic Heavy-Ion Collider (RHIC) at √S N N = 130 GeV. The estimated chemical freeze-out temperature at RHIC is similar to that at the Super Proton Synchrotron (SPS), whereas the baryon and the strangeness chemical potentials are much smaller than those at the SPS. The effects of the modification of hadron masses on model parameters are also investigated. The chemical freeze-out temperature and chemical potentials are decreased by including the mass modification of haclrons.

AB - We apply the chemical freeze-out model to the first available data on hadron yield ratios at the Relativistic Heavy-Ion Collider (RHIC) at √S N N = 130 GeV. The estimated chemical freeze-out temperature at RHIC is similar to that at the Super Proton Synchrotron (SPS), whereas the baryon and the strangeness chemical potentials are much smaller than those at the SPS. The effects of the modification of hadron masses on model parameters are also investigated. The chemical freeze-out temperature and chemical potentials are decreased by including the mass modification of haclrons.

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