Threshold scattering of the eta-meson off light nuclei

Details Threshold scattering of the eta-meson off light nuclei Threshold scattering of the eta-meson off light nuclei

1995-04-20

arxiv.org/abs/nucl-th/9504020v1

Phys.Lett. B359 (1995) 33-38

Physics

Nuclear Physics

Nuclear Theory

8 pages, no figures, RevTeX, submitted to Phys.Lett.B

Scientific paper

10.1016/0370-2693(95)01057-W

The scattering lengths of eta-meson collisions with light nuclei d,t,3He, and 4He are calculated on the basis of few-body equations in coherent approximation. It is found that the eta-nucleus scattering length depends strongly on the number of nucleons and the potential-range parameter. By taking into account the off-shell behavior of the eta-N amplitude, the eta-4He scattering length increases considerably.

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