Unitary pole approximation and t-matrix perturbation theory in triton calculations

Details Unitary pole approximation and t-matrix perturbation theory in triton calculations Unitary pole approximation and t-matrix perturbation theory in triton calculations

Apr 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974zphy..266...95s&link_type=abstract

Zeitschrift für Physik, Volume 266, Issue 2, pp.95-101

Physics

1

Scientific paper

We find that the quality of the fits of the UPA t-matrix to the exact t-matrix for a given potential do not depend strongly on specific features, such as locality or inclusion of spin orbit forces in the potential. The accuracy of the UPA fits suggests the employment of t-matrix perturbation theory in triton ground state calculations. The accuracy of first order t-matrix perturbation theory is satisfactory for the rank two separable tensor Tabakin potential.

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