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Originalpublikation
Pea, M.T.; Henning, H.; Sauer, P.U.: Effect of the nucleon-delta interaction on properties of the three-nucleon ground state. In: Physical Review C 42 (1990), Nr. 3, S.855-862. DOI: https://doi.org/10.1103/PhysRevC.42.855
Wave-function components containing a single Δ isobar are included in the calculation of the three-nucleon bound state. In extension to previous work, a nucleon-Δ potential based on meson exchange is incorporated in the interaction models. The interaction models are constructed phase equivalent with the purely nucleonic Paris and Bonn one boson exchange potential in q space (OBEPQ) potentials. The nucleon-Δ potential yields an additional contribution of the order of 0.1–0.2 MeV to the effective three-nucleon force. Its effect on the electromagnetic properties of the three-nucleon bound state is also considered and found to be small.
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