On the Quadruple Correlation in the Extra Binding Energy of the s-d Shell Nuclei

概要

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The saturation property of the α-type particles which appears in the series of the extra separation energies in the s-d shell nuclei is discussed. To explain this property, the binding energies of 2~5 particles outside the core O^<16> are discussed qualitatively in the j-j and L-S schemes and calculated with projected variational self-consistent wave function and the SU(3) model, using the reaction matrix as the residual interaction. In these calculations it is shown that the T=0 interaction plays an essential role in the configuration mixing and the saturation property, together with the pairing interaction V(J=0, T=1). It is concluded that the saturation property is a consequence of the change of the contribution from the large two-body interaction V(J=0, T=1), V(J=J_<max>, T=0) and V(J=J_<min>, T=0). Futhermore, we discuss the possibility of testing the effective interaction by comparing the results of calculations with the reaction matrix and those with a phenomenological effective interaction of the Gaussian type.
理論物理学刊行会の論文
1966-07-25