Coexistence and fluctuations phenomena with Davidson-like potentials in quadrupole–octupole deformed nuclei

M M Hammad,W H Mansour,E M El-Maghraby,H A Motaweh,Ayman A Aly

Figure 8. Experimental energy ratios ${E}_{{I}^{\pi }}/{E}_{{2}_{1}^{+}}$ for states of the positive-parity ground state band ($I$ even) and the lowest negative-parity band ($I$ odd), as functions of the angular momentum $I,$ for 100Mo [43], 146Nd [44], 148Nd [46], 148Sm [46], 150Sm [47], 220Ra [48], 220Rn [48], 220Th [48], 222Rn [49] and 222Th [49].