Quadrupole moment of the 6− isomeric state in 66Cu: Interplay between different nuclear deformation driving forces
- Lozeva, R.L.
- Balabanski, D.L.
- Georgiev, G.
- Daugas, J.-M.
- Péru, S.
- Audi, G.
- Cabaret, S.
- Faul, T.
- Ferraton, M.
- Fiori, E.
- Gaulard, C.
- Ibrahim, F.
- Morel, P.
- Risegari, L.
- Verney, D.
- Yordanov, D.T.
DOIAbstract
AbstractWe have measured the spectroscopic quadrupole moment of the 6− isomeric state in 66Cu to be |Qs|=18.6(12) efm2. This state results from a weak coupling of the πp3/2 and the νg9/2 orbitals, which lead to sizable deformation at oblate and prolate shapes, correspondingly, in the 68Ni region. The interplay between these two different deformation-driving orbitals is observed at N=37 for the 6− state resulting in a most probable oblate shape
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