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 1. Experimental level energies reported in [4–6]) are compared to the results from IBM-2 calculations near Z = N = 50 doubly shell closure.

${E}_{\mathrm{Expt}}$ ${E}_{\mathrm{IBM}-2}$ F R ${0}_{1}^{+}$ 0.000 0.000 2 99.2 ${0}_{2}^{+}$ 0.735 0.735 2 68.7 ${1}_{1}^{+}$ 3.258 3.243 1 55.2 ${1}_{2}^{+}$ 3.405 3.668 1 51.5 ${2}_{1}^{+}$ 0.787 0.787 2 96.3 ${2}_{2}^{+}$ 1.432 1.453 2 94.3 ${2}_{3}^{+}$ 1.758 1.628 2 65.8 ${2}_{4}^{+}$ 2.207 2.031 2 68.0 ${2}_{5}^{+}$ 2.333 2.068 1 57.6 ${2}_{6}^{+}$ 2.419 2.479 2 60.8 ${2}_{7}^{+}$ 2.526 2.649 1 54.7 ${2}_{8}^{+}$ 2.562 2.886 2 76.1 ${3}_{1}^{+}$ 2.105 2.364 2 94.0 ${3}_{2}^{+}$ 2.485 2.845 1 53.8 ${4}_{1}^{+}$ 1.510 1.727 2 82.8 ${4}_{2}^{+}$ 2.224 2.523 2 83.8 ${6}_{1}^{+}$ 2.343 2.722 2 61.1