| Issue |
Europhys. Lett.
Volume 75, Number 3, August 2006
|
|
|---|---|---|
| Page(s) | 420 - 426 | |
| Section | The physics of elementary particles and fields | |
| DOI | https://doi.org/10.1209/epl/i2006-10119-4 | |
| Published online | 30 June 2006 | |
Condition driving chemical freeze-out
University of Bielefeld - P.O. Box 100131, D-33501 Bielefeld, Germany
Corresponding author: tawfik@physik.uni-bielefeld.de
Received:
23
March
2006
Accepted:
1
June
2006
We propose that it is the entropy density, which characterizes the chemical freeze-out of hadrons in heavy-ion collision experiments. Taking its value from lattice QCD calculations at zero chemical potential, we find that it is excellent in reproducing all experimentally estimated statistical freeze-out parameters, temperature and baryochemical potential. We consistently review the quality of the earlier proposed suggestions.
PACS: 12.40.Ee – Statistical models / 12.40.Yx – Hadron mass models and calculations / 05.70.Ce – Thermodynamic functions and equations of state
© EDP Sciences, 2006
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