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Journal of Physics G 35 (2008) 075106-12
Fission of hyper-hyperdeformed $^{56}$Ni: a clustering analysis with in mean-field approaches
R.K. Gupta, S.K. Patra, C. Beck1, W. Greiner

The structure of 56Ni is sudied by using the non-relativistic Skyrme Hartree-Fock and the relativistic Hartree approximation in an axially deformed cylindrical coordinate. We found several intrinsic excited states, including the spherical ground-state solution. Without including any extra $\alpha$-cluster correlations, the possible cluster configurations of the resonance states are analyzed, showing the multipleN=Z, $\alpha$-nucleus like, cluster structures for hyper-deformed states, but, contrary to the recent experimental possibility of a ternary fission decay, we predict a two cluster or symmetric fission configuration for the hyper-hyperdeformed state
1 :  DRS-IPHC - Département Recherches Subatomiques
Physique/Physique Nucléaire Expérimentale
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