A unified description of shape coexistence and mixed-symmetry states in 98Mo using IBM-2*

Cheng-Fu Mu(穆成富),Da-Li Zhang(张大立)

Table 4. The characteristic $B(E2)$ ratios for low-lying states in the three dynamical limits (taken from the [49, 50]). Both of the experimental and calculated values are listed.

$\tfrac{B(E2,{4}_{1}^{+}\to {2}_{1}^{+})}{B(E2,{2}_{1}^{+}\to {0}_{1}^{+})}$ $\tfrac{B(E2,{2}_{2}^{+}\to {0}_{1}^{+})}{B(E2,{2}_{2}^{+}\to {2}_{1}^{+})}$ $\tfrac{B(E2,{2}_{2}^{+}\to {2}_{1}^{+})}{B(E2,{2}_{1}^{+}\to {0}_{1}^{+})}$ $\tfrac{B(E2,{4}_{1}^{+}\to {2}_{1}^{+})}{B(E2,{2}_{2}^{+}\to {2}_{1}^{+})}$ U(5) 1.71 0.011 1.4 1.0 SU(3) 1.34 0.70 0.02 6.93 O(6) 1.34 0.07 0.79 1.84 Exp. 2.29 0.02 2.23 1.03 IBM-2 1.57 0.01 1.12 1.41