Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1998-02-13
Phys.Rev.C58:96-107,1998
Physics
Nuclear Physics
Nuclear Theory
29 pages RevTeX, submitted to Phys. Rev. C, further information at http://i04ktha.desy.de
Scientific paper
10.1103/PhysRevC.58.96
A unified description of NN and pi-N elastic scattering is presented in the framework of the one solitary boson exchange potential (OSBEP). This model already successfully applied to analyze NN scattering is now extended to describe pi-N scattering while also improving its accuracy in the NN domain. We demonstrate the importance of regularization of pi-N scattering amplitudes involving Delta isobars and derivative meson-nucleon couplings, as this model always yields finite amplitudes without recourse to phenomenological form factors. We find an empirical scaling relation of the meson self interaction coupling constants consistent with that previously found in the study of NN scattering. Finally, we demonstrate that the OSBEP model does not contradict the soft-pion theorems of pi-N scattering.
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