Spectroscopy of quadrupole and octupole states in rare-earth nuclei from a Gogny force

K. Nomura, R. Rodríguez-Guzmán, L. M. Robledo

Collective quadrupole and octupole states are described in a series of Sm and Gd isotopes within the framework of the interacting boson model (IBM), whose Hamiltonian parameters ar…