Medium effects to the N(1535) resonance and eta mesic nuclei

Details Medium effects to the N(1535) resonance and eta mesic nuclei Medium effects to the N(1535) resonance and eta mesic nuclei

2002-11-27

arxiv.org/abs/nucl-th/0211085v1

Nucl.Phys. A721 (2003) 665-668

Physics

Nuclear Physics

Nuclear Theory

LaTeX, 4 pages, 2 figures. To appear in Proceedings of PANIC02, XVI International Conference on Particles and Nuclei, Osaka, J

Scientific paper

10.1016/S0375-9474(03)01148-5

The structure of eta-nucleus bound systems (eta mesic nuclei) is investigated as one of the tools to study in-medium properties of the N(1535) (N*) resonance. We show that, as a general consequence, the eta-nucleus potential has a repulsive core at the nuclear center with an attractive part at the nuclear surface, if sufficient reduction of the mass difference of N and N* stems from the in-medium effects to N*. The (d,3He) spectra are evaluated for the formation of these bound states to investigate the experimental feasibility.

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