SYSTEMATIC ANALYSIS OF SHAPE EVOLUTION FOR Mo ISOTOPES WITH RELATIVISTIC MEAN FIELD THEORY.

The systematic investigation of shape evolution between spherical U(5) and γ-unstable O(6) for Mo isotopes has been carried out by the microscopic quadrupole constrained relativistic mean field model plus BCS method with all the most used interactions, i.e. PK1, NL3, TM1 and NLSH. The calculated potential energy surfaces show a clear shape evolution for the even–even Mo isotopes with N = 50~64 and 94Mo is suggested to be the γ-unstable nucleus, which is favored by the experimental data. Similar conclusion is also drawn from the neutron single particle spectra. [ABSTRACT FROM AUTHOR]