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- Title
THE HALF-LIFE OF POLONIUM-216.
- Authors
Hey, J. D.; Cherry, R. D.
- Abstract
A homogeneous blood-thorium sulphate mixture has been used as a source of polonium-216 alpha-particle activity in two determinations of the half-life of this nuclide. The first method consisted of scintillation counting, by means of a scaler and six electro-mechanical registers, of the alpha-particle pairs produced by the decay of polonium-216 subsequent to that of its precursor, thoron-220. A more accurate result was provided by pulse-counting with a multi-channel analyser. Results are compared with those of three earlier experiments. The weighted mean of our two values for the half-life of polonium-216 (0,155 plusmn 0,004 seconds) is in better agreement with the result of Ward (1942) than with the determination by Diamond & Gindler (1963).
- Publication
Transactions of the Royal Society of South Africa, 1978, Vol 43, Issue 2, p147
- ISSN
0035-919X
- Publication type
Academic Journal
- DOI
10.1080/00359197809520234