Rotational structures and the wobbling mode in Ta167

D. J. Hartley et al.
Phys. Rev. C 83, 064307 – Published 13 June 2011

Abstract

Excited states in the neutron-deficient nucleus Ta167 were studied through the Sn120(V51,4n) reaction. Twelve rotational bands have been observed and the relative excitation energy of each sequence is now known owing to the multiple interband connections. Several quasineutron alignments were observed that aided in the quasiparticle assignments of these bands. The resulting interpretation is in line with observations in neighboring nuclei. Trends in the wobbling phonon energy seen in Lu161,163,165,167 and Ta167 are also discussed and particle-rotor model calculations (assuming constant moments of inertia) are found to be inconsistent with the experimental data.

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  • Received 28 March 2011

DOI:https://doi.org/10.1103/PhysRevC.83.064307

American Physical Society

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Vol. 83, Iss. 6 — June 2011

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