Identification of triaxial strongly deformed bands in Hf-164

J. C. Marsh, W. C. Ma, G. B. Hagemann, R. V. F. Janssens, Ragnar Bengtsson, Hans Ryde, M. P. Carpenter, G. Guerdal, D. J. Hartley, C. R. Hoffman, Q. A. Ijaz, F. G. Kondev, T. Lauritsen, S. Mukhopadhyay, L. L. Riedinger, R. B. Yadav, S. Zhu

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Abstract

Two new rotational bands of distinct character have been identified in Hf-164. They are suggested to correspond to the long-anticipated triaxial strongly deformed (TSD) bands predicted by theoretical studies. The bands have been linked to known states, and the level spins and energies could be determined. The bands are also substantially stronger in intensity and are located at lower spins than the previously observed TSD bands in Hf-168, hereby making Hf-164 the best even-even system so far for the study of TSD structures in the A similar to 160 mass region. Cranking calculations based on the modified-oscillator model suggest that the bands are associated with four-quasiparticle configurations that involve high-j intruder (i(13/2))(2) proton orbitals.
Original languageEnglish
Article number041306
JournalPhysical Review C (Nuclear Physics)
Volume88
Issue number4
DOIs
Publication statusPublished - 2013

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Nuclear Physics (Faculty of Science) (011013004), Mathematical Physics (Faculty of Technology) (011040002)

Subject classification (UKÄ)

  • Subatomic Physics
  • Physical Sciences

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