Abstract
Excited states in the neutron-deficient nuclide were investigated using the (,) reaction at a beam energy of 270 MeV. The level scheme for was extended significantly with the observation of five new band structures. The yrast band based on a isomeric state is extended up to . Two band structures were established on the ground state. Quasiparticle configuration assignments for the new band structures were made on the basis of cranked Woods-Saxon shell-model calculations. The results reported in this article suggest that the negative-parity orbitals are responsible for the first rotational alignment in the yrast band.
- Received 30 October 2009
DOI:https://doi.org/10.1103/PhysRevC.81.014307
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