Reworking the Tucson-Melbourne Three-Nucleon Potential

Details Reworking the Tucson-Melbourne Three-Nucleon Potential Reworking the Tucson-Melbourne Three-Nucleon Potential

2000-12-30

arxiv.org/abs/nucl-th/0101003v1

FewBodySyst.30:131-141,2001

Physics

Nuclear Physics

Nuclear Theory

12 pages, to appear in Few-Body Systems

Scientific paper

10.1007/s006010170022

We introduce new values of the strength constants (i.e., $a$, $b$, $c$, and $d$ coefficients) of the Tucson-Melbourne (TM) 2$\pi$ exchange three nucleon potential. The new values come from contemporary dispersion relation analyses of meson factory $\pi$N scattering data. We make variational Monte Carlo calculations of the triton with the original and updated three-body forces to study the effects of this update. We remove a short-range -- $\pi$-range part of the potential due to the $c$ coefficient and discuss the effect on the triton binding energy.

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