Anomalous production of Ω and Ω̄ is evidence of the formation of disoriented chiral condensates?

J. I. Kapusta, S. M.H. Wong

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

No conventional picture of nucleus-nucleus collisions has yet been able to explain the abundance of Ω and Ω̄ hadrons in central collisions between Pb nuclei at 158 A GeV at the CERN SPS. We argue that this is evidence that they are produced from topological defects in the form of skyrmions arising from the formation of disoriented chiral condensates. It is shown that the excess Ω or Ω̄ produced could not be easily washed out in the hadronic medium and therefore would survive in the final state.

Original languageEnglish (US)
Article number348
Pages (from-to)1929-1936
Number of pages8
JournalJournal of Physics G: Nuclear and Particle Physics
Volume28
Issue number7
DOIs
StatePublished - Jul 2002

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