Strange and multistrange particle production in Au + Au collisions at $$\sqrt{s_{NN}}$$ = 62.4 GeV
Journal Article
·
· Physical Review. C. Nuclear Physics
Here we present results on strange and multistrange particle production in Au + Au collisions at $$\sqrt{s_{NN}}$$ = 62.4 GeV as measured with the STAR detector at RHIC. Midrapidity transverse momentum spectra and integrated yields of $$K^{0}_{S}$$, Λ, Ξ, and Ω and their antiparticles are presented for different centrality classes. The particle yields and ratios follow a smooth energy dependence. Chemical freeze-out parameters, temperature, baryon chemical potential, and strangeness saturation factor obtained from the particle yields are presented. Intermediate transverse momentum ( pT) phenomena are discussed based on the ratio of the measured baryon-to-meson spectra and nuclear modification factor. The centrality dependence of various measurements presented show a similar behavior as seen in Au + Au collisions at $$\sqrt{s_{NN}}$$ = 200 GeV.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Organization:
- STAR Collaboration
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 1961792
- Alternate ID(s):
- OSTI ID: 21499427
OSTI ID: 1969367
OSTI ID: 1021402
- Report Number(s):
- BNL-224113-2023-JAAM; BNL-224212-2023-JAAM
- Journal Information:
- Physical Review. C. Nuclear Physics, Journal Name: Physical Review. C. Nuclear Physics Journal Issue: 2 Vol. 83; ISSN 0556-2813
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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