Flavour and energy dependence of chemical freeze-out temperatures in relativistic heavy ion collisions from RHIC-BES to LHC energies
Abstract
We present calculations of the chemical freeze-out temperature (Tch) based on particle yields from STAR and ALICE measured at collision energies ranging from $$\sqrt{s_{NN}}$$ = 11.5 GeV to 5.02 TeV. Employing the Grand Canonical Ensemble approach using the Thermal-FIST Hadron Resonance Gas model package, we show evidence for a flavour-dependent chemical freeze-out in the crossover region of the QCD phase diagram. At a vanishing baryochemical potential, we calculate light and strange flavour freeze-out temperatures TL = 150.2 ± 2.6 MeV and TS = 165.1 ± 2.7 MeV, respectively.
- Publication Date:
- Research Org.:
- Univ. of Houston, TX (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 1761542
- Alternate Identifier(s):
- OSTI ID: 1849736
- Grant/Contract Number:
- DEFG02-07ER4152; FG02-07ER41521
- Resource Type:
- Published Article
- Journal Name:
- Physics Letters B
- Additional Journal Information:
- Journal Name: Physics Letters B; Journal ID: ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Astronomy & Astrophysics; Physics; Sequential flavour freeze-out; Statistical hadronization; Hadron resonance gas
Citation Formats
Flor, Fernando Antonio, Olinger, Gabrielle, and Bellwied, René. Flavour and energy dependence of chemical freeze-out temperatures in relativistic heavy ion collisions from RHIC-BES to LHC energies. Netherlands: N. p., 2021.
Web. doi:10.1016/j.physletb.2021.136098.
Flor, Fernando Antonio, Olinger, Gabrielle, & Bellwied, René. Flavour and energy dependence of chemical freeze-out temperatures in relativistic heavy ion collisions from RHIC-BES to LHC energies. Netherlands. https://doi.org/10.1016/j.physletb.2021.136098
Flor, Fernando Antonio, Olinger, Gabrielle, and Bellwied, René. Fri .
"Flavour and energy dependence of chemical freeze-out temperatures in relativistic heavy ion collisions from RHIC-BES to LHC energies". Netherlands. https://doi.org/10.1016/j.physletb.2021.136098.
@article{osti_1761542,
title = {Flavour and energy dependence of chemical freeze-out temperatures in relativistic heavy ion collisions from RHIC-BES to LHC energies},
author = {Flor, Fernando Antonio and Olinger, Gabrielle and Bellwied, René},
abstractNote = {We present calculations of the chemical freeze-out temperature (Tch) based on particle yields from STAR and ALICE measured at collision energies ranging from $\sqrt{s_{NN}}$ = 11.5 GeV to 5.02 TeV. Employing the Grand Canonical Ensemble approach using the Thermal-FIST Hadron Resonance Gas model package, we show evidence for a flavour-dependent chemical freeze-out in the crossover region of the QCD phase diagram. At a vanishing baryochemical potential, we calculate light and strange flavour freeze-out temperatures TL = 150.2 ± 2.6 MeV and TS = 165.1 ± 2.7 MeV, respectively.},
doi = {10.1016/j.physletb.2021.136098},
journal = {Physics Letters B},
number = ,
volume = ,
place = {Netherlands},
year = {Fri Jan 01 00:00:00 EST 2021},
month = {Fri Jan 01 00:00:00 EST 2021}
}
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