K-Mesic Nuclei Versus eta -Mesic Nuclei

Details K-Mesic Nuclei Versus eta -Mesic Nuclei K-Mesic Nuclei Versus eta -Mesic Nuclei

2010-11-03

arxiv.org/abs/1011.0866v1

Acta Phys.Polon.B41:2201-2210,2010

Physics

Nuclear Physics

Nuclear Theory

Invited talk at the International Symposium on Mesic Nuclei, Krakow, 16 June 16 2010

Scientific paper

The nuclear states of \bar K and \eta are bound by a similar mechanism - the excitations of nucleons to \Lambda (1405) and N*(1535) resonant states. The observed large differences in binding energies are understood in terms of separation of the involved energies and the resonance positions. The other experimental findings: broad \bar K-mesic and narrow \eta -mesic states are more difficult to understand. A phenomenological model for \eta -N interactions is used to explain the suppression of the \eta absorption in light nuclei.

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