Resonances do not equilibrate

Inga Kuznetsova, Jean Letessier, Jan Rafelski

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We discuss, in qualitative and quantitative fashion, the yields of hadron resonances. We show that these yields, in general, are not in chemical equilibrium. We evaluate the non-equilibrium abundances in a dynamic model implementing the 1 + 2 ↔ 3 resonance formation reactions. Due to the strength of these reactions, we show the Σ(1385) enhancement, and the Λ(1520) suppression explicitly.

Original languageEnglish (US)
Pages (from-to)1013-1024
Number of pages12
JournalActa Physica Polonica B
Volume40
Issue number4
StatePublished - Apr 2009

ASJC Scopus subject areas

  • General Physics and Astronomy

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