Isospin excitation and electromagnetic transition properties of nuclei 88,90Mo

The band structure and electromagnetic transition properties of the low-lying states of 88,90Mo isotopes were investigated using the interacting boson model with isospin (IBM-3). The lowest isospin excitation states with T=2T=2 for 88Mo and T=3T=3 for 90Mo were identified, and compared with available data. The E2, M  1 matrix elements and quadrupole moments for the low-lying states were investigated. Results showed that the lowest mixed-symmetry states were 23+ for 90Mo and 24+ for 88Mo. The excitation energy of the 11+ states in nuclei 88,90Mo were also determined. Good agreement was achieved between calculated results using the model and measured data.