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Table 2
Parameter values used to simulate the radioactive heat production by the short- and long-lived isotopes.
| Model | Nuclide | Element mass | Initial | Particles | Half-life | Energy |
| fraction | ratio | per 1 kg | per atom | |||
| − | − | [%] | − | − | [a] | [J] |
|
|
||||||
| CIa | 26Al | 8.86 × 10-3 (1) | 5.0 × 10-5 | 2.0532 × 1023 | 7.17 × 105 | 6.4154 × 10-13 |
| 60Fe | 1.81 × 10-1 (1) | 1.15 × 10-8 | 1.8187 × 1024 | 2.61 × 106 | 4.8700 × 10-13 | |
| and | 53Mn | 2.02 × 10-3 (1) | 4.0 × 10-5 | 2.2978 × 1022 | 3.74 × 106 | 9.5613 × 10-14 |
| 40K | 5.32 × 10-4 (1) | 1.5 × 10-3 | 8.0167 × 1021 | 1.25 × 109 | 1.1102 × 10-13 | |
| CIb | 232Th | 2.96 × 10-8 (2) | 1.0 | 7.6822 × 1016 | 1.41 × 1010 | 6.4721 × 10-12 |
| 235U | 8.08 × 10-9 (2) | 7.1 × 10-3 | 2.0702 × 1016 | 7.04 × 108 | 7.1129 × 10-12 | |
| 238U | 8.08 × 10-9 (2) | 0.9928 | 2.0441 × 1016 | 4.47 × 109 | 7.6095 × 10-13 | |
Notes. Columns 3 and 5 show the data for the non-radioactive elements corresponding to those in Col. 2.
Reference. (1) Wolf et al. (2012); (2) Rocholl & Jochum (1993).
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