Table 4: Comparison of the 212Pb half-life determined in different ways.
Gamma-spectrometry |
Beta-count
|
Alpha-spectrometry |
Cloud Chamber |
Method |
||||||
Track count |
GGP |
|||||||||
10.86 |
10.85 |
10.64 |
10.77 |
10.74 |
10.77 |
10.75 |
11.71 |
6.5-11.1 |
10.64 |
T1/2, h |
|
|
|
|
6.050 |
8.785 |
Sum |
|
|
Literature value |