Different deformations for the two bands built above the (πh11/2)2 10+ and the (νh11/2)-2 10+ states in 140Sm have been determined from lifetime measurements using the reaction 106Pd(37Cl,p2n)140Sm at 143 MeV. The β values derived for the N=78 and N=80 core nuclei, coexisting in 140Sm, complete the systematics of nuclear deformation from N=72 to 80.
Shape coexistence in Sm140 and the onset of deformation below N=82 from lifetime measurements
LUNARDI, SANTO;
1991
Abstract
Different deformations for the two bands built above the (πh11/2)2 10+ and the (νh11/2)-2 10+ states in 140Sm have been determined from lifetime measurements using the reaction 106Pd(37Cl,p2n)140Sm at 143 MeV. The β values derived for the N=78 and N=80 core nuclei, coexisting in 140Sm, complete the systematics of nuclear deformation from N=72 to 80.File in questo prodotto:
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