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Nucleon-Nucleon Scattering from One-Boson-Exchange Potentials. 2. Inclusion of all Momentum-Dependent Terms through Order p2

Dec 20, 1967
7 pages
Published in:
  • Phys.Rev. 164 (1967) 1215-1222
DOI:
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Abstract: (APS)
The nucleon-nucleon interaction in relative angular momentum states l≥1 is described over the energy range 25-350 MeV by a potential used in conjunction with the Schrödinger equation. The potential is a superposition of pole terms obtained from single exchanges of ω, ρ, π, η, σ0, and σ1 mesons and, rather than taking the usual static limit, all terms of order k2M2 are retained. Because of these momentum-dependent terms, no cutoff is necessary in l≥1 states. The meson coupling constants and the masses of the scalar mesons (σ0 and σ1) are the parameters which are adjusted to fit the experimentally determined phase parameters. A comparison with the data is given, showing a quantitative fit (X2/datum=1.6) when the model is augmented with reasonable values of the S-wave parameters.