Single and multi-quasiparticle states in 181Ta from incomplete fusion

G. D. Dracoulis, A. P. Byrne, S. M. Mullins, T. Kibédi, F. G. Kondev, and P. M. Davidson
Phys. Rev. C 58, 1837 – Published 1 September 1998
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Abstract

Excited states in 181Ta have been identified using time-correlated γ-ray spectroscopy and particle-γ techniques following the incomplete fusion reaction 176Yb(11B,α2n)181Ta. As well as observing the rotational band based on the 11 ns isomer at 482 keV from the 5/2+[402] proton configuration, which is found to be essentially identical to that associated with its 7/2+[404] pseudospin partner, several multi-quasiparticle isomers are observed including a 33μs state, of probable spin and parity 21/2, at 1483 keV. Experimental states are compared with multi-quasiparticle calculations.

  • Received 6 April 1998

DOI:https://doi.org/10.1103/PhysRevC.58.1837

©1998 American Physical Society

Authors & Affiliations

G. D. Dracoulis1, A. P. Byrne1,2, S. M. Mullins1, T. Kibédi1, F. G. Kondev1, and P. M. Davidson1

  • 1Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, A.C.T. 0200, Australia
  • 2Department of Physics and Theoretical Physics, Australian National University, Canberra, A.C.T. 0200, Australia

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Vol. 58, Iss. 3 — September 1998

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