Multi-Strange Baryon Production in Au-Au collisions at sqrt(s_NN) = 130 GeV

Details Multi-Strange Baryon Production in Au-Au collisions at sqrt(s_NN) = 130 GeV Multi-Strange Baryon Production in Au-Au collisions at sqrt(s_NN) = 130 GeV

2003-07-30

arxiv.org/abs/nucl-ex/0307024v1

Phys.Rev.Lett.92:182301,2004

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 3 figures, 2 tables, submitted to PRL

Scientific paper

10.1103/PhysRevLett.92.182301

The transverse mass spectra and mid-rapidity yields for $\Xi$s and $\Omega$s plus their anti-particles are presented. The 10% most central collision yields suggest that the amount of multi-strange particles produced per produced charged hadron increases from SPS to RHIC energies. A hydrodynamically inspired model fit to the spectra, which assumes a thermalized source, seems to indicate that these multi-strange particles experience a significant transverse flow effect, but are emitted when the system is hotter and the flow is smaller than values obtained from a combined fit to $\pi$, K, p and $\Lambda$s.

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