Repulsive Core of NN S-Wave Scattering in a Quark Model with a Condensed Vacuum

Details Repulsive Core of NN S-Wave Scattering in a Quark Model with a Condensed Vacuum Repulsive Core of NN S-Wave Scattering in a Quark Model with a Condensed Vacuum

1997-03-04

arxiv.org/abs/nucl-th/9703007v1

Phys.Rev.C56:670-678,1997

Physics

Nuclear Physics

Nuclear Theory

23 pages in latex revtex, 4 Postscript figures

Scientific paper

10.1103/PhysRevC.56.670

We work in a chiral invariant quark model, with a condensed vacuum, characterized by only one parameter. Bound state equations for the nucleon and Delta are solved in order to obtain an updated value of their radii and masses. Nucleon-nucleon S-Wave scattering is studied in the RGM framework both for isospin T=1 and T=0. The phase shifts are calculated and an equivalent local potential, which is consistent with K-N scattering, is derived. The result is a reasonable microscopic short range repulsion in the nucleon-nucleon interaction.

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