The Half-Life of Tritium by Absolute Counting
Open Access
- 1 August 1951
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 83 (3), 537-539
- https://doi.org/10.1103/physrev.83.537
Abstract
Results of a measurement of the half-life of tritium by absolute counting are presented. The method consisted of the mass spectrometric analysis of a hydrogen-tritium mixture enriched in tritium, the dilution of some of this material with hydrogen in a known way to a countable level of activity, and the counting of a portion of the diluted gas in a Geiger counter of known effective volume. The half-life was found to be 12.41 with uncertainties of plus 0.15 and minus 0.25 year.Keywords
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