Abstract
A phenomenological analysis of theKπ=0−, 1−, 2− band spectra in actinides and few rare-earth nuclei is carried out within the coherent state model using an interacting boson Hamiltonian which includes quadrupole and octupole bosons. The bands are described as octupole boson excitations of intrinsic coherent wave functions associated to the model ground, beta and gamma bands. The calculation reproduces all available experimental energy spectra up to high angular momenta. Also theE1 branching ratios are fairly well reproduced. Different signatures of static octupole deformation are discussed.
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