The Half-Life of Yttrium-90
Abstract
Radioactive yttrium-90 separated from two aged samples of fission product strontium was allowed to decay. The change in activity was followed for more than 650 hours with standard mica-window beta counters. From the observed changes, the mean half-life of yttrium-90 was calculated to be 64.60+/-0.43 hours.
- Publication:
-
Physical Review
- Pub Date:
- March 1954
- DOI:
- 10.1103/PhysRev.93.1029
- Bibcode:
- 1954PhRv...93.1029C