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The shape coexistence and mixing and the strengths of the E0 transitions in the mirror nuclei 70Se and 70Kr are investigated in the frame of the beyond-mean-field complex Excited Vampir… Click to show full abstract
The shape coexistence and mixing and the strengths of the E0 transitions in the mirror nuclei 70Se and 70Kr are investigated in the frame of the beyond-mean-field complex Excited Vampir model with variation after symmetry projection. The effective interaction is obtained renormalizing a nuclear matter G-matrix derived from the charge dependent Bonn CD potential in a rather large model space. The effects of shape mixing on the E0 transition strengths for the lowest few 0+, 2+, and 4+ states as well as the M1 and E2 strengths for the 2i+→2j+ and 4i+→4j+ transitions are presented and discussed.
Journal Title: Symmetry
Year Published: 2022
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