Abstract
Realistic, generalized, and regularized velocity-dependent one-boson-exchange-potential models of the nucleon-nucleon interaction are applied to calculate the low-lying energy levels of the nucleus ${\mathrm{O}}^{18}$ in the harmonic-oscillator shell model. The singlet even states are treated by the Moszkowski-Scott separation method technique. The energy levels so obtained are comparable to those obtained from the phenomenological Hamada-Johnston hard-core potential. We do not attempt to calculate core-polarization effects explicitly, but rather we attempt to simulate them by varying the coupling constant of the light scalar meson.
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