Abstract
We apply the collective axial quadrupole—octupole Hamiltonian to describe the rotation—vibration motion of odd nuclei with Coriolis coupling between the even-even core and the unpaired nucleon.We consider that the core oscillates coherently with respect to the quadrupole and octupole axialdeformation variables. The coupling between the core and the unpaired nucleon provides a split paritydoublet structure of the spectrum. The formalism successfully reproduces the parity-doublet splitting in a wide range of odd-A nuclei. It provides model estimations for the third angular-momentum projection K on the intrinsic symmetry axis and the related intrinsic nuclear structure.
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Minkov, N., Drenska, S.B., Yotov, P. et al. Collective states of odd nuclei in a model with quadrupole-octupole degrees of freedom. Phys. Atom. Nuclei 70, 1470–1475 (2007). https://doi.org/10.1134/S1063778807080248
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DOI: https://doi.org/10.1134/S1063778807080248