Resonances do not equilibrate

Inga Kuznetsova; Jean Letessier; Jan Rafelski

Resonances do not equilibrate

Inga Kuznetsova
, Jean Letessier
, Jan Rafelski

Physics

Research output: Contribution to journal › Article › peer-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 language	English (US)
Pages (from-to)	1013-1024
Number of pages	12
Journal	Acta Physica Polonica B
Volume	40
Issue number	4
State	Published - Apr 2009

ASJC Scopus subject areas

General Physics and Astronomy

Cite this

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title = "Resonances do not equilibrate",

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.",

author = "Inga Kuznetsova and Jean Letessier and Jan Rafelski",

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T1 - Resonances do not equilibrate

AU - Kuznetsova, Inga

AU - Letessier, Jean

AU - Rafelski, Jan

PY - 2009/4

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N2 - 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.

AB - 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.

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M3 - Article

AN - SCOPUS:65149097954

SN - 0587-4254

VL - 40

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EP - 1024

JO - Acta Physica Polonica B

JF - Acta Physica Polonica B

IS - 4

ER -

Resonances do not equilibrate

Abstract

ASJC Scopus subject areas

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