Abstract
The first information on excited states in neutron-rich populated in the β decay of is presented. The half-life was measured to be 1.59±0.05 s. On the basis of γ singles and coincidence measurements, a total of 19 γ rays were placed in a level scheme for with 10 excited states up to about 3 MeV. The low-lying level structure is satisfactorily reproduced by a shell-model calculation involving active protons in orbitals between the magic numbers 28 and 50 and neutrons filling the subshell between 38 and 50.
- Received 28 November 1988
DOI:https://doi.org/10.1103/PhysRevC.39.1976
©1989 American Physical Society