Abstract
and the previously unreported have been produced in the and reactions at 20-MeV beam energy, and the subsequent decays to and have been studied via delayed -ray singles and and coincidence techniques. We measure the half-lives of to be 49.82 ± 0.46 and 6.54 ± 0.15 sec, respectively. From analysis of the -ray energy spectrum, a mass excess of -49152 ± 100 keV is determined for . Comparison with theoretical mass predictions is made.
RADIOACTIVITY : measured delayed , , coincidences; deduced , decay scheme; measured coincidences; deduced , mass excess, ; compared with theory. Enriched targets, Ge(Li) detectors.
- Received 23 June 1977
DOI:https://doi.org/10.1103/PhysRevC.16.1566
©1977 American Physical Society