科研之友
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摘要
The anharmonity in shape transitional nuclei, observed earlier, is studied and an alternative form is derived. The dichotomy of a constant anharmonicity along with a changing nuclear structure is resolved. The evolution of the collective nuclear structure from the spherical vibrator to the deformed rotor is studied through the variation of energy ratio R-10/2 (E-10/E-2) with R-4/2, for Ba-Dy and for Dy-Hf (N %26lt; 104) and R-12/2. The role of the Z = 64 subshell and the N = 88-90 shape phase transition are illustrated in the Mallmann plot. The relative merits of the empirical formulae: rotation-vibration linearity model, the soft rotor formula and the power index formula are compared.
- 出版日期2013-8
