Table 1: The applied sources and their characteristics (The most intensive radiations are listed, only).
|
Sources |
Half-life |
Energy (keV) |
|
Alpha-sources |
|
|
|
Th(B+C) |
10.6 h |
6050; 8785 |
|
222Rn |
3.8 d |
5490 |
|
Beta-source |
|
|
|
90Sr/Y |
28.6 y/64.1 |
546/2284 (max) |
|
Neutron-source |
|
|
|
239PuBe |
24 131 y |
<En> ~5500 |