Comparison of triton bound state properties using different separable representations of realistic potentials

Details Comparison of triton bound state properties using different separable representations of realistic potentials Comparison of triton bound state properties using different separable representations of realistic potentials

1998-10-27

arxiv.org/abs/nucl-th/9810073v1

Few Body Syst. 28 (2000) 241-258

Physics

Nuclear Physics

Nuclear Theory

27 pages, 6 postscript figures included, uses psfig

Scientific paper

10.1007/s006010070023

The quality of two different separable expansion methods ({\sl W} matrix and Ernst-Shakin-Thaler) is investigated. We compare the triton binding energies and components of the triton wave functions obtained in this way with the results of a direct two-dimensional treatment. The Paris, Bonn {\sl A} and Bonn {\sl B} potentials are employed as underlying two-body interactions, their total angular momenta being incorporated up to $j \leq 2$. It is found that the most accurate results based on the Ernst-Shakin-Thaler method agree within 1.5% or better with the two-dimensional calculations, whereas the results for the {\sl W}-matrix representation are less accurate.

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