Multistrange baryon production in au-au collisions at √sNN= 130 GeV

STAR Collaboration

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Abstract

The transverse mass spectra and midrapidity yields for Ξs and ω are presented. For the 10% most central collisions, the Ξ+/h- ratio increases from the Super Proton Synchrotron to the Relativistic Heavy Ion Collider energies while the Ξ-/h- stays approximately constant. A hydrodynamically inspired model fit to the H spectra, which assumes a thermalized source, seems to indicate that these multistrange 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 π, K, p, and Λs.

Original languageEnglish
Article number182301
JournalPhysical Review Letters
Volume92
Issue number18
DOIs
StatePublished - May 7 2004

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All Science Journal Classification (ASJC) codes

  • Medicine(all)
  • Physics and Astronomy(all)

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