Relation between the separable and one-boson-exchange potential for the covariant Bethe-Salpeter equation

Details Relation between the separable and one-boson-exchange potential for the covariant Bethe-Salpeter equation Relation between the separable and one-boson-exchange potential for the covariant Bethe-Salpeter equation

2005-06-13

arxiv.org/abs/nucl-th/0506036v2

J.Phys. G31 (2005) 1183-1190

Physics

Nuclear Physics

Nuclear Theory

10 pages, 8 figures, to appear in J.Phys.G

Scientific paper

10.1088/0954-3899/31/11/005

We investigate the relation between the rank I separable potential for the covariant Bethe-Salpeter equation and the one-boson-exchange potential. After several trials of the parameter choices, it turns out that it is not always possible to reproduce the phase-shifts calculated from a single term of the one-boson-exchange potential especially of the $\sigma$-exchange term, separately by the rank I separable potential. Instead, it is shown that the separable potential is useful to parameterize the total nucleon-nucleon interaction.

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