Electronic Resource
Springer
The European physical journal
340 (1991), S. 249-254
ISSN:
1434-601X
Keywords:
23.40.−s
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The half-life of41Ca has been redetermined to be (1.01 ±0.10)×105 yr from the specific activity of a sample of enriched calcium material and its41Ca concentration. The activity was measured with a Si(Li) detector via the 3.3-keV X rays emitted in the electron capture decay of41Ca to41K. The41Ca concentration was measured by mass spectrometry. Since our result agrees well with the two most recent half-life measurements of Mabuchi et al. (1974), (1.13±0.12)×105 yr, and Klein et al. (1990), (1.03±0.07)×105 yr, we recommend the weighted mean of these three measurements, t1/2=(1.04±0.05)×105 yr, as the most accurate value of the half-life of41Ca.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01294672
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