Reinvestigating the level structure of 95 Mo: Coexistence of single-particle excitations and collective motions*

Abstract Excited states of 95 Mo have been reinvestigated via the 87 Rb( 12 C,1 p 3 n ) 95 Mo fusion-evaporation reaction at a beam energy of 62 MeV. The level scheme of 95 Mo was enriched by the addition of 13 γ -ray transitions and 11 new levels, while the placements of 6 transitions were reassigned. Shell-model calculations with the GWBXG and SNET interactions were performed to reproduce parts of the observed level structure, providing relevant configuration information. Furthermore, a systematic analysis of the low-lying positive-parity yrast states was conducted for 95 Mo and its neighboring isotones. In addition, three-dimensional tilted axis cranking covariant density functional theory (3DTAC-CDFT) calculations indicated weakly prolate deformation for 95 Mo. Combined with systematics, this result suggests that collectivity similar to that in neighboring nuclei such as 97,99,101 Mo may be presented in 95 Mo.