Physics – Nuclear Physics
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvc..46...64s&link_type=abstract
Physical Review C (Nuclear Physics), Volume 46, Issue 1, July 1992, pp.64-72
Physics
Nuclear Physics
19
Few-Body Systems, Nuclear Reactions Involving Few-Nucleon Systems
Scientific paper
The Tucson-Melbourne two-pion exchange three-nucleon force is split into a reducible part mediated by Δ excitation and an irreducible part not mediated by Δ excitation. The triton binding energy is calculated. The irreducible part of the Tucson-Melbourne force is taken into account in the calculation. Its reducible part is discarded, but regenerated by the explicit treatment of the Δ isobar in a coupled-channel approach. The remaining irreducible part of the Tucson-Melbourne force makes a nonnegligible contribution to the triton binding energy. The strong dependence of the triton binding energy on the cutoff parameter for the πNN vertex in the Tucson-Melbourne force is considerably reduced.
Sauer Peter U.
Stadler Alfred
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