Similarity of nuclear structure in 132Sn and 208Pb regions: proton-neutron multiplets

Details Similarity of nuclear structure in 132Sn and 208Pb regions: proton-neutron multiplets Similarity of nuclear structure in 132Sn and 208Pb regions: proton-neutron multiplets

2009-09-29

arxiv.org/abs/0909.5348v1

Phys.Rev.C80:021305,2009

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures, 2 tables

Scientific paper

10.1103/PhysRevC.80.021305

Starting from the striking similarity of proton-neutron multiplets in 134Sb and 210Bi, we perform a shell-model study of nuclei with two additional protons or neutrons to find out to what extent this analogy persists. We employ effective interactions derived from the CD-Bonn nucleon-nucleon potential renormalized by use of the V-low-k approach. The calculated results for 136Sb, 212Bi, 136I, and 212At are in very good agreement with the available experimental data. The similarity between 132Sn and 208Pb regions is discussed in connection with the effective interaction, emphasizing the role of core polarization effects.

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