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Strange and multistrange particle production in Au + Au collisions atsNN=62.4 GeV
- Source :
- Physical Review C. 83
- Publication Year :
- 2011
- Publisher :
- American Physical Society (APS), 2011.
-
Abstract
- We present results on strange and multistrange particle production in Au + Au collisions at root s(NN) = 62.4 GeV as measured with the STAR detector at RHIC. Midrapidity transverse momentum spectra and integrated yields of K-S(0), Lambda, Xi, and Omega 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 (p(T)) 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 root s(NN) = 200 GeV.
- Subjects :
- Physics
Nuclear and High Energy Physics
Meson
010308 nuclear & particles physics
Nuclear Theory
Hadron
Elementary particle
Strangeness
01 natural sciences
7. Clean energy
Omega
Baryon
Nuclear physics
Antimatter
0103 physical sciences
Nuclear Experiment
010306 general physics
Relativistic Heavy Ion Collider
Subjects
Details
- ISSN :
- 1089490X and 05562813
- Volume :
- 83
- Database :
- OpenAIRE
- Journal :
- Physical Review C
- Accession number :
- edsair.doi...........5394196bc8248ff18234c1265ad4799b