Abstract
We have applied the quark-model nucleon–nucleon interaction fss2 to the nucleon–deuteron scattering. The screened cutoff Coulomb force in the momentum space has been incorporated to the proton–deuteron scattering by extending the matching condition, which is proposed by Vincent and Phatak for the sharply cutoff Coulomb problem. The model fss2 can reproduce the overall characteristics of the experimental data. It is found that fss2 partially incorporates the attractive feature, which accords with the good reproduction of the triton binding energy and neutron–deuteron doublet scattering length. This attractive feature is due to the off-shell effect related to the quark-model description of the short-range repulsion of the two-nucleon force.
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