Abstract
The decay properties of and , produced in bombardments of , were investigated following on-line mass separation. New γ rays were observed for both nuclides. Transitions assigned to decay are predominantly from the decay of the high-spin isomer; based on its decay characteristics, we propose that this state in has a spin assignment of . The decay pattern of shows that the of the low-spin isomer is . Coincidences between protons and x and γ rays establish and to be β-delayed-proton precursors. In the β decay of , three weak γ rays were observed in addition to the one intense 620.2-keV transition that has been known to follow the nuclide’s decay.
- Received 10 August 1987
DOI:https://doi.org/10.1103/PhysRevC.37.1196
©1988 American Physical Society