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Decay Heat Tables
~ Recommended by Atomic Energy Society of Japan ~
| Instantaneous burst fission | Infinite irradiation (1013 sec) | One-year irradiation |
| Table 1 2 3 4 5 | Table 6 7 8 9 10 | Table 11 12 13 14 15 |
| All | Page 1 (0 ~ 8.E+3 sec) | Page 2 (1.E+4 ~ 8.E+8 sec) | Page 3 (1.E+9 ~ 1.E+13 sec) |
Table 3
Tabular Data for Recommended Decay Heat Power for
Pulse Fast Fission of 238U
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 0.0 | 1.518E+0 | 7.4 | 1.129E+0 | 10.1 | 2.647E+0 | 6.1 |
| 1.0E-1 | 1.366E+0 | 6.9 | 1.016E+0 | 9.6 | 2.382E+0 | 5.6 |
| 1.5E-1 | 1.302E+0 | 6.6 | 9.683E-1 | 9.1 | 2.271E+0 | 5.3 |
| 2.0E-1 | 1.245E+0 | 6.3 | 9.253E-1 | 8.8 | 2.170E+0 | 5.1 |
| 3.0E-1 | 1.146E+0 | 5.9 | 8.510E-1 | 8.4 | 1.997E+0 | 4.9 |
| 4.0E-1 | 1.063E+0 | 5.6 | 7.888E-1 | 8.2 | 1.852E+0 | 4.7 |
| 5.0E-1 | 9.926E-1 | 5.4 | 7.360E-1 | 8.1 | 1.729E+0 | 4.5 |
| 6.0E-1 | 9.318E-1 | 5.2 | 6.904E-1 | 8.0 | 1.622E+0 | 4.4 |
| 8.0E-1 | 8.319E-1 | 4.9 | 6.154E-1 | 7.9 | 1.447E+0 | 4.3 |
| 1.0E+0 | 7.526E-1 | 4.6 | 5.558E-1 | 8.0 | 1.308E+0 | 4.2 |
| 1.5E+0 | 6.089E-1 | 4.3 | 4.479E-1 | 8.1 | 1.057E+0 | 4.2 |
| 2.0E+0 | 5.103E-1 | 4.1 | 3.741E-1 | 8.1 | 8.844E-1 | 4.1 |
| 3.0E+0 | 3.810E-1 | 4.0 | 2.783E-1 | 8.1 | 6.593E-1 | 4.1 |
| 4.0E+0 | 2.992E-1 | 3.9 | 2.186E-1 | 7.9 | 5.178E-1 | 4.0 |
| 5.0E+0 | 2.429E-1 | 3.9 | 1.781E-1 | 7.5 | 4.209E-1 | 3.8 |
| 6.0E+0 | 2.020E-1 | 3.9 | 1.490E-1 | 7.0 | 3.510E-1 | 3.7 |
| 8.0E+0 | 1.473E-1 | 3.9 | 1.107E-1 | 6.2 | 2.579E-1 | 3.4 |
| 1.0E+1 | 1.132E-1 | 3.9 | 8.690E-2 | 5.7 | 2.001E-1 | 3.3 |
| 1.5E+1 | 6.817E-2 | 4.0 | 5.549E-2 | 5.2 | 1.237E-1 | 3.1 |
| 2.0E+1 | 4.712E-2 | 4.0 | 4.046E-2 | 5.0 | 8.758E-2 | 3.1 |
| 3.0E+1 | 2.822E-2 | 4.0 | 2.626E-2 | 4.5 | 5.449E-2 | 3.0 |
| 4.0E+1 | 1.997E-2 | 4.1 | 1.957E-2 | 4.2 | 3.954E-2 | 2.9 |
| 5.0E+1 | 1.543E-2 | 4.0 | 1.564E-2 | 3.9 | 3.107E-2 | 2.8 |
| 6.0E+1 | 1.253E-2 | 3.9 | 1.301E-2 | 3.7 | 2.553E-2 | 2.6 |
| 8.0E+1 | 8.945E-3 | 3.6 | 9.612E-3 | 3.4 | 1.856E-2 | 2.4 |
| 1.0E+2 | 6.801E-3 | 2.5 | 7.491E-3 | 2.4 | 1.429E-2 | 2.3 |
| 1.5E+2 | 4.027E-3 | 2.4 | 4.591E-3 | 2.5 | 8.619E-3 | 2.0 |
| 2.0E+2 | 2.756E-3 | 2.4 | 3.172E-3 | 2.4 | 5.928E-3 | 1.8 |
| 3.0E+2 | 1.638E-3 | 2.6 | 1.869E-3 | 2.2 | 3.507E-3 | 1.7 |
| 4.0E+2 | 1.159E-3 | 2.8 | 1.305E-3 | 2.1 | 2.464E-3 | 1.7 |
| 5.0E+2 | 9.006E-4 | 3.0 | 1.007E-3 | 1.9 | 1.908E-3 | 1.7 |
| 6.0E+2 | 7.403E-4 | 2.2 | 8.273E-4 | 1.8 | 1.568E-3 | 1.8 |
| 8.0E+2 | 5.498E-4 | 3.4 | 6.198E-4 | 1.6 | 1.170E-3 | 1.8 |
| 1.0E+3 | 4.375E-4 | 3.5 | 5.014E-4 | 1.6 | 9.389E-4 | 1.8 |
| 1.5E+3 | 2.840E-4 | 3.4 | 3.417E-4 | 1.6 | 6.257E-4 | 1.8 |
| 2.0E+3 | 2.024E-4 | 3.1 | 2.557E-4 | 1.7 | 4.581E-4 | 1.7 |
| 3.0E+3 | 1.176E-4 | 2.7 | 1.627E-4 | 1.9 | 2.804E-4 | 1.6 |
| 4.0E+3 | 7.702E-5 | 2.5 | 1.149E-4 | 2.1 | 1.919E-4 | 1.7 |
| 5.0E+3 | 5.501E-5 | 2.5 | 8.664E-5 | 2.3 | 1.417E-4 | 1.7 |
| 6.0E+3 | 4.195E-5 | 2.5 | 6.837E-5 | 2.5 | 1.103E-4 | 1.8 |
| 8.0E+3 | 2.798E-5 | 2.7 | 4.638E-5 | 2.6 | 7.437E-5 | 1.9 |
Table 3 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Fast Fission of 238U
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+4 | 2.095E-5 | 2.9 | 3.373E-5 | 2.6 | 5.468E-5 | 2.0 |
| 1.5E+4 | 1.296E-5 | 2.9 | 1.792E-5 | 2.5 | 3.089E-5 | 1.9 |
| 2.0E+4 | 9.417E-6 | 2.9 | 1.117E-5 | 2.3 | 2.059E-5 | 1.8 |
| 3.0E+4 | 6.044E-6 | 2.9 | 6.079E-6 | 2.0 | 1.212E-5 | 1.7 |
| 4.0E+4 | 4.331E-6 | 2.8 | 4.204E-6 | 1.9 | 8.535E-6 | 1.7 |
| 5.0E+4 | 3.259E-6 | 2.7 | 3.209E-6 | 1.9 | 6.469E-6 | 1.7 |
| 6.0E+4 | 2.533E-6 | 2.8 | 2.574E-6 | 1.9 | 5.108E-6 | 1.7 |
| 8.0E+4 | 1.655E-6 | 2.9 | 1.805E-6 | 1.9 | 3.460E-6 | 1.7 |
| 1.0E+5 | 1.175E-6 | 3.0 | 1.363E-6 | 2.0 | 2.538E-6 | 1.8 |
| 1.5E+5 | 6.291E-7 | 3.2 | 8.142E-7 | 2.0 | 1.443E-6 | 1.8 |
| 2.0E+5 | 4.041E-7 | 3.4 | 5.709E-7 | 2.1 | 9.750E-7 | 1.9 |
| 3.0E+5 | 2.244E-7 | 3.7 | 3.607E-7 | 2.1 | 5.851E-7 | 1.9 |
| 4.0E+5 | 1.555E-7 | 3.7 | 2.691E-7 | 2.0 | 4.245E-7 | 1.8 |
| 5.0E+5 | 1.201E-7 | 3.7 | 2.166E-7 | 1.9 | 3.366E-7 | 1.8 |
| 6.0E+5 | 9.829E-8 | 3.5 | 1.812E-7 | 1.7 | 2.794E-7 | 1.6 |
| 8.0E+5 | 7.218E-8 | 3.0 | 1.346E-7 | 1.4 | 2.067E-7 | 1.4 |
| 1.0E+6 | 5.682E-8 | 2.7 | 1.048E-7 | 1.2 | 1.617E-7 | 1.2 |
| 1.5E+6 | 3.674E-8 | 2.4 | 6.451E-8 | 1.1 | 1.012E-7 | 1.1 |
| 2.0E+6 | 2.691E-8 | 2.3 | 4.513E-8 | 1.2 | 7.204E-8 | 1.2 |
| 3.0E+6 | 1.697E-8 | 2.0 | 2.637E-8 | 1.6 | 4.335E-8 | 1.2 |
| 4.0E+6 | 1.196E-8 | 1.7 | 1.725E-8 | 1.9 | 2.921E-8 | 1.3 |
| 5.0E+6 | 9.064E-9 | 1.3 | 1.221E-8 | 2.3 | 2.127E-8 | 1.4 |
| 6.0E+6 | 7.269E-9 | 1.2 | 9.240E-9 | 2.4 | 1.651E-8 | 1.5 |
| 8.0E+6 | 5.244E-9 | 1.1 | 6.140E-9 | 2.6 | 1.138E-8 | 1.5 |
| 1.0E+7 | 4.135E-9 | 1.0 | 4.556E-9 | 2.7 | 8.692E-9 | 1.5 |
| 1.5E+7 | 2.698E-9 | 1.0 | 2.477E-9 | 2.4 | 5.175E-9 | 1.3 |
| 2.0E+7 | 1.980E-9 | 1.1 | 1.394E-9 | 2.3 | 3.374E-9 | 1.1 |
| 3.0E+7 | 1.290E-9 | 1.2 | 4.718E-10 | 2.0 | 1.762E-9 | 1.1 |
| 4.0E+7 | 9.480E-10 | 1.3 | 1.941E-10 | 1.9 | 1.142E-9 | 1.2 |
| 5.0E+7 | 7.286E-10 | 1.3 | 1.060E-10 | 1.8 | 8.346E-10 | 1.2 |
| 6.0E+7 | 5.701E-10 | 1.3 | 7.389E-11 | 1.6 | 6.440E-10 | 1.2 |
| 8.0E+7 | 3.584E-10 | 1.3 | 5.058E-11 | 1.3 | 4.090E-10 | 1.2 |
| 1.0E+8 | 2.322E-10 | 1.3 | 4.007E-11 | 1.2 | 2.723E-10 | 1.1 |
| 1.5E+8 | 9.372E-11 | 1.3 | 2.802E-11 | 0.9 | 1.217E-10 | 1.0 |
| 2.0E+8 | 5.238E-11 | 1.5 | 2.358E-11 | 0.9 | 7.596E-11 | 1.1 |
| 3.0E+8 | 3.356E-11 | 1.9 | 2.037E-11 | 0.9 | 5.393E-11 | 1.2 |
| 4.0E+8 | 2.920E-11 | 1.9 | 1.869E-11 | 0.9 | 4.789E-11 | 1.2 |
| 5.0E+8 | 2.664E-11 | 1.8 | 1.731E-11 | 0.9 | 4.395E-11 | 1.2 |
| 6.0E+8 | 2.454E-11 | 1.8 | 1.607E-11 | 0.9 | 4.061E-11 | 1.1 |
| 8.0E+8 | 2.097E-11 | 1.6 | 1.387E-11 | 0.9 | 3.484E-11 | 1.1 |
Table 3 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Fast Fission of 238U
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+9 | 1.798E-11 | 1.5 | 1.199E-11 | 0.9 | 2.997E-11 | 1.0 |
| 1.5E+9 | 1.228E-11 | 1.6 | 8.326E-12 | 0.9 | 2.060E-11 | 1.0 |
| 2.0E+9 | 8.400E-12 | 1.6 | 5.785E-12 | 0.9 | 1.418E-11 | 1.0 |
| 3.0E+9 | 3.940E-12 | 1.6 | 2.794E-12 | 0.9 | 6.734E-12 | 1.0 |
| 4.0E+9 | 1.853E-12 | 1.6 | 1.349E-12 | 0.9 | 3.202E-12 | 1.0 |
| 5.0E+9 | 8.740E-13 | 1.6 | 6.515E-13 | 0.9 | 1.526E-12 | 1.0 |
| 6.0E+9 | 4.140E-13 | 1.6 | 3.148E-13 | 0.9 | 7.288E-13 | 1.0 |
| 8.0E+9 | 9.536E-14 | 1.6 | 7.364E-14 | 0.9 | 1.690E-13 | 1.0 |
| 1.0E+10 | 2.379E-14 | 1.6 | 1.742E-14 | 0.9 | 4.120E-14 | 1.0 |
| 1.5E+10 | 2.177E-15 | 1.6 | 7.706E-16 | 1.0 | 2.948E-15 | 1.0 |
| 2.0E+10 | 1.029E-15 | 1.8 | 3.331E-16 | 2.0 | 1.362E-15 | 1.3 |
| 3.0E+10 | 7.482E-16 | 2.0 | 3.206E-16 | 2.1 | 1.069E-15 | 1.4 |
| 4.0E+10 | 7.240E-16 | 2.0 | 3.199E-16 | 2.1 | 1.044E-15 | 1.4 |
| 5.0E+10 | 7.211E-16 | 2.0 | 3.192E-16 | 2.1 | 1.040E-15 | 1.4 |
| 6.0E+10 | 7.201E-16 | 2.0 | 3.185E-16 | 2.1 | 1.039E-15 | 1.4 |
| 8.0E+10 | 7.185E-16 | 2.0 | 3.171E-16 | 2.1 | 1.036E-15 | 1.4 |
| 1.0E+11 | 7.169E-16 | 2.0 | 3.157E-16 | 2.1 | 1.033E-15 | 1.4 |
| 1.5E+11 | 7.128E-16 | 2.0 | 3.122E-16 | 2.1 | 1.025E-15 | 1.4 |
| 2.0E+11 | 7.088E-16 | 2.0 | 3.088E-16 | 2.1 | 1.018E-15 | 1.4 |
| 3.0E+11 | 7.009E-16 | 2.0 | 3.021E-16 | 2.1 | 1.003E-15 | 1.4 |
| 4.0E+11 | 6.931E-16 | 2.0 | 2.955E-16 | 2.1 | 9.886E-16 | 1.4 |
| 5.0E+11 | 6.854E-16 | 2.0 | 2.891E-16 | 2.1 | 9.745E-16 | 1.4 |
| 6.0E+11 | 6.777E-16 | 2.0 | 2.828E-16 | 2.1 | 9.606E-16 | 1.4 |
| 8.0E+11 | 6.628E-16 | 2.0 | 2.707E-16 | 2.1 | 9.335E-16 | 1.4 |
| 1.0E+12 | 6.483E-16 | 2.0 | 2.590E-16 | 2.1 | 9.074E-16 | 1.4 |
| 1.5E+12 | 6.138E-16 | 2.0 | 2.321E-16 | 2.1 | 8.459E-16 | 1.4 |
| 2.0E+12 | 5.815E-16 | 1.9 | 2.079E-16 | 2.1 | 7.894E-16 | 1.4 |
| 3.0E+12 | 5.231E-16 | 1.9 | 1.669E-16 | 2.1 | 6.900E-16 | 1.3 |
| 4.0E+12 | 4.718E-16 | 1.9 | 1.340E-16 | 2.1 | 6.058E-16 | 1.3 |
| 5.0E+12 | 4.267E-16 | 1.8 | 1.075E-16 | 2.1 | 5.343E-16 | 1.3 |
| 6.0E+12 | 3.870E-16 | 1.8 | 8.633E-17 | 2.1 | 4.733E-16 | 1.2 |
| 8.0E+12 | 3.206E-16 | 1.8 | 5.564E-17 | 2.1 | 3.762E-16 | 1.2 |
| 1.0E+13 | 2.682E-16 | 1.8 | 3.586E-17 | 2.1 | 3.040E-16 | 1.2 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
