Enhanced Production of Delta(1230) and Sigma(1385) Resonances

Details Enhanced Production of Delta(1230) and Sigma(1385) Resonances Enhanced Production of Delta(1230) and Sigma(1385) Resonances

2008-04-21

arxiv.org/abs/0804.3352v1

Phys.Lett.B668:105-110,2008

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 figures

Scientific paper

10.1016/j.physletb.2008.08.018

Yields of Delta(1230), Sigma(1385) resonances produced in heavy ion collisions are studied within the framework of a kinetic master equation. The time evolution is driven by the process Delta(1230) \leftrightarrow N \pi, Sigma(1385) \leftrightarrow \Lambda \pi . We obtain resonance yield both below and above chemical equilibrium, depending on initial hadronization condition and separation of kinetic and chemical freeze-out.

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