Soft-core meson-baryon interactions. I. One-hadron-exchange potentials

The Nijmegen soft-core model for the pseudoscalar meson-baryon interaction is derived, analogous to the Nijmegen NN and YN models. The interaction Hamiltonians are defined and the resulting amplitudes for one-meson exchange and one-baryon exchange in momentum space are given for the general mass case. The partial wave projection is carried through and explicit expressions for the momentum space partial wave meson-baryon potentials are presented.

Figure 1

Overview of the theoretical basis for soft-core meson-baryon interactions.

Figure 2

Diagrammatic representation of the meson-baryon scattering equation (2.24). The solid line denotes the baryon and the dashed line denotes the meson.