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

Author:
Lozeva, R. L.  Balabanski, D. L.  Georgiev, G.  Daugas, J. -M.  Peru, S.  Audi, G.  Cabaret, S.  Faul, T.  Ferraton, M.  Fiori, E.  Gaulard, C.  Ibrahim, F.  Morel, P.  Risegari, L.  Verney, D.  Yordanov, D. T.  


Journal:
PHYSICS LETTERS B


Issue Date:
2011


Abstract(summary):

We have measured the spectroscopic quadrupole moment of the 6(-) isomeric state in (66)Cu to be vertical bar Q(s)vertical bar = 18.6(12) efm(2). This state results from a weak coupling of the pi p(3/2) and the nu g(9/2) orbitals, which lead to sizable deformation at oblate and prolate shapes, correspondingly, in the (68)Ni 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. (C) 2010 Elsevier B.V. All rights reserved.


Page:
316---321


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