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Quadrupole moment of the 6− isomeric state in 66Cu: Interplay between different nuclear deformation driving forces

Abstract : We 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 π p3/2 and the ν g9/2 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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Submitted on : Monday, February 28, 2011 - 9:59:08 AM
Last modification on : Tuesday, November 24, 2020 - 2:10:04 PM

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Radomira Lozeva, D.L. Balabanski, G. Georgiev, J.-M. Daugas, S. Peru, et al.. Quadrupole moment of the 6− isomeric state in 66Cu: Interplay between different nuclear deformation driving forces. Physics Letters B, Elsevier, 2011, 694, pp.316-321. ⟨10.1016/j.physletb.2010.10.016⟩. ⟨in2p3-00570248⟩

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