STABLE TRIAXIALITY IN GERMANIUM AND SELENIUM ISOTOPES
Total-Routhian-surface calculations by means of the pairing-deformation-frequency self-consistent cranked shell model have been carried out for germanium and selenium isotopes, in order to search for possible stable triaxial deformations of nuclear states. The triaxiality of |γ| ≈ 30°. for the ground and collective rotational states, that is the limit of the maximum triaxiality, is found in 64,74Ge. The maximum triaxiality has its origin in a triaxial shell gap at Z = 32.