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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 9
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 0.0 | 5.876E+0 | 4.2 | 5.752E+0 | 4.0 | 1.163E+1 | 3.1 |
| 1.0E-1 | 5.819E+0 | 3.2 | 5.708E+0 | 3.0 | 1.153E+1 | 2.1 |
| 1.5E-1 | 5.792E+0 | 3.0 | 5.687E+0 | 2.9 | 1.148E+1 | 2.0 |
| 2.0E-1 | 5.766E+0 | 3.0 | 5.667E+0 | 2.9 | 1.143E+1 | 2.0 |
| 3.0E-1 | 5.716E+0 | 3.0 | 5.629E+0 | 2.7 | 1.134E+1 | 2.0 |
| 4.0E-1 | 5.669E+0 | 2.9 | 5.593E+0 | 2.7 | 1.126E+1 | 2.0 |
| 5.0E-1 | 5.624E+0 | 2.9 | 5.558E+0 | 2.7 | 1.118E+1 | 2.0 |
| 6.0E-1 | 5.581E+0 | 2.9 | 5.526E+0 | 2.7 | 1.111E+1 | 2.0 |
| 8.0E-1 | 5.500E+0 | 2.9 | 5.465E+0 | 2.6 | 1.097E+1 | 1.8 |
| 1.0E+0 | 5.426E+0 | 2.9 | 5.409E+0 | 2.6 | 1.084E+1 | 1.8 |
| 1.5E+0 | 5.263E+0 | 2.9 | 5.286E+0 | 2.4 | 1.055E+1 | 1.8 |
| 2.0E+0 | 5.124E+0 | 2.9 | 5.183E+0 | 2.4 | 1.031E+1 | 1.8 |
| 3.0E+0 | 4.895E+0 | 2.9 | 5.013E+0 | 2.3 | 9.908E+0 | 1.8 |
| 4.0E+0 | 4.712E+0 | 2.9 | 4.878E+0 | 2.3 | 9.590E+0 | 1.8 |
| 5.0E+0 | 4.562E+0 | 2.9 | 4.766E+0 | 2.3 | 9.327E+0 | 1.8 |
| 6.0E+0 | 4.434E+0 | 2.9 | 4.671E+0 | 2.3 | 9.104E+0 | 1.7 |
| 8.0E+0 | 4.227E+0 | 2.9 | 4.515E+0 | 2.1 | 8.742E+0 | 1.7 |
| 1.0E+1 | 4.066E+0 | 2.9 | 4.391E+0 | 2.1 | 8.456E+0 | 1.7 |
| 1.5E+1 | 3.775E+0 | 2.9 | 4.160E+0 | 2.1 | 7.935E+0 | 1.7 |
| 2.0E+1 | 3.576E+0 | 2.7 | 3.994E+0 | 2.0 | 7.570E+0 | 1.7 |
| 3.0E+1 | 3.307E+0 | 2.7 | 3.755E+0 | 2.0 | 7.062E+0 | 1.7 |
| 4.0E+1 | 3.123E+0 | 2.7 | 3.583E+0 | 1.8 | 6.707E+0 | 1.7 |
| 5.0E+1 | 2.984E+0 | 2.7 | 3.448E+0 | 1.8 | 6.432E+0 | 1.5 |
| 6.0E+1 | 2.871E+0 | 2.7 | 3.338E+0 | 1.8 | 6.209E+0 | 1.5 |
| 8.0E+1 | 2.698E+0 | 2.7 | 3.163E+0 | 1.7 | 5.861E+0 | 1.5 |
| 1.0E+2 | 2.569E+0 | 2.7 | 3.031E+0 | 1.7 | 5.600E+0 | 1.5 |
| 1.5E+2 | 2.350E+0 | 2.7 | 2.804E+0 | 1.5 | 5.154E+0 | 1.5 |
| 2.0E+2 | 2.208E+0 | 2.9 | 2.657E+0 | 1.5 | 4.865E+0 | 1.5 |
| 3.0E+2 | 2.023E+0 | 2.7 | 2.467E+0 | 1.5 | 4.490E+0 | 1.5 |
| 4.0E+2 | 1.898E+0 | 2.7 | 2.340E+0 | 1.5 | 4.238E+0 | 1.5 |
| 5.0E+2 | 1.802E+0 | 2.7 | 2.243E+0 | 1.5 | 4.045E+0 | 1.5 |
| 6.0E+2 | 1.724E+0 | 2.7 | 2.163E+0 | 1.5 | 3.887E+0 | 1.5 |
| 8.0E+2 | 1.601E+0 | 2.6 | 2.034E+0 | 1.7 | 3.634E+0 | 1.4 |
| 1.0E+3 | 1.505E+0 | 2.4 | 1.930E+0 | 1.7 | 3.435E+0 | 1.4 |
| 1.5E+3 | 1.334E+0 | 2.3 | 1.735E+0 | 1.7 | 3.069E+0 | 1.4 |
| 2.0E+3 | 1.218E+0 | 2.3 | 1.593E+0 | 1.7 | 2.812E+0 | 1.4 |
| 3.0E+3 | 1.070E+0 | 2.3 | 1.397E+0 | 1.7 | 2.468E+0 | 1.4 |
| 4.0E+3 | 9.798E-1 | 2.3 | 1.265E+0 | 1.7 | 2.245E+0 | 1.4 |
| 5.0E+3 | 9.184E-1 | 2.3 | 1.169E+0 | 1.5 | 2.088E+0 | 1.3 |
| 6.0E+3 | 8.735E-1 | 2.3 | 1.096E+0 | 1.5 | 1.970E+0 | 1.4 |
| 8.0E+3 | 8.109E-1 | 2.3 | 9.907E-1 | 1.4 | 1.802E+0 | 1.2 |
Table 9 (continued)
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 1.0E+4 | 7.676E-1 | 2.3 | 9.180E-1 | 1.4 | 1.686E+0 | 1.2 |
| 1.5E+4 | 6.963E-1 | 2.3 | 8.070E-1 | 1.2 | 1.503E+0 | 1.2 |
| 2.0E+4 | 6.491E-1 | 2.1 | 7.437E-1 | 1.2 | 1.393E+0 | 1.2 |
| 3.0E+4 | 5.853E-1 | 2.1 | 6.701E-1 | 1.2 | 1.255E+0 | 1.2 |
| 4.0E+4 | 5.414E-1 | 2.1 | 6.237E-1 | 1.2 | 1.165E+0 | 1.2 |
| 5.0E+4 | 5.087E-1 | 2.1 | 5.894E-1 | 1.2 | 1.098E+0 | 1.2 |
| 6.0E+4 | 4.832E-1 | 2.1 | 5.623E-1 | 1.2 | 1.046E+0 | 1.2 |
| 8.0E+4 | 4.460E-1 | 2.1 | 5.213E-1 | 1.2 | 9.673E-1 | 1.2 |
| 1.0E+5 | 4.198E-1 | 2.0 | 4.912E-1 | 1.2 | 9.110E-1 | 1.1 |
| 1.5E+5 | 3.783E-1 | 2.0 | 4.404E-1 | 1.4 | 8.187E-1 | 1.1 |
| 2.0E+5 | 3.534E-1 | 2.0 | 4.072E-1 | 1.4 | 7.606E-1 | 1.1 |
| 3.0E+5 | 3.235E-1 | 2.0 | 3.634E-1 | 1.4 | 6.869E-1 | 1.1 |
| 4.0E+5 | 3.050E-1 | 1.8 | 3.336E-1 | 1.4 | 6.386E-1 | 1.2 |
| 5.0E+5 | 2.917E-1 | 1.8 | 3.107E-1 | 1.5 | 6.024E-1 | 1.2 |
| 6.0E+5 | 2.812E-1 | 1.8 | 2.922E-1 | 1.5 | 5.734E-1 | 1.2 |
| 8.0E+5 | 2.652E-1 | 1.8 | 2.632E-1 | 1.7 | 5.284E-1 | 1.2 |
| 1.0E+6 | 2.532E-1 | 1.8 | 2.414E-1 | 1.5 | 4.946E-1 | 1.2 |
| 1.5E+6 | 2.323E-1 | 1.8 | 2.040E-1 | 1.7 | 4.363E-1 | 1.2 |
| 2.0E+6 | 2.181E-1 | 1.8 | 1.796E-1 | 1.8 | 3.977E-1 | 1.2 |
| 3.0E+6 | 1.991E-1 | 1.8 | 1.484E-1 | 2.0 | 3.475E-1 | 1.4 |
| 4.0E+6 | 1.866E-1 | 1.8 | 1.290E-1 | 2.1 | 3.156E-1 | 1.4 |
| 5.0E+6 | 1.774E-1 | 1.8 | 1.157E-1 | 2.1 | 2.932E-1 | 1.4 |
| 6.0E+6 | 1.703E-1 | 2.0 | 1.060E-1 | 2.1 | 2.763E-1 | 1.4 |
| 8.0E+6 | 1.592E-1 | 2.0 | 9.220E-2 | 2.1 | 2.514E-1 | 1.5 |
| 1.0E+7 | 1.506E-1 | 2.0 | 8.246E-2 | 2.1 | 2.330E-1 | 1.5 |
| 1.5E+7 | 1.341E-1 | 2.0 | 6.683E-2 | 2.0 | 2.010E-1 | 1.5 |
| 2.0E+7 | 1.218E-1 | 2.0 | 5.809E-2 | 2.1 | 1.798E-1 | 1.5 |
| 3.0E+7 | 1.033E-1 | 2.0 | 4.997E-2 | 2.3 | 1.533E-1 | 1.5 |
| 4.0E+7 | 8.966E-2 | 2.0 | 4.668E-2 | 2.3 | 1.363E-1 | 1.5 |
| 5.0E+7 | 7.912E-2 | 2.0 | 4.493E-2 | 2.4 | 1.241E-1 | 1.5 |
| 6.0E+7 | 7.085E-2 | 2.0 | 4.375E-2 | 2.4 | 1.146E-1 | 1.5 |
| 8.0E+7 | 5.909E-2 | 2.0 | 4.205E-2 | 2.6 | 1.011E-1 | 1.5 |
| 1.0E+8 | 5.160E-2 | 2.0 | 4.081E-2 | 2.6 | 9.241E-2 | 1.7 |
| 1.5E+8 | 4.226E-2 | 2.1 | 3.869E-2 | 2.6 | 8.095E-2 | 1.8 |
| 2.0E+8 | 3.845E-2 | 2.3 | 3.719E-2 | 2.7 | 7.564E-2 | 1.8 |
| 3.0E+8 | 3.494E-2 | 2.3 | 3.480E-2 | 2.9 | 6.974E-2 | 2.0 |
| 4.0E+8 | 3.262E-2 | 2.4 | 3.270E-2 | 3.0 | 6.532E-2 | 2.0 |
| 5.0E+8 | 3.060E-2 | 2.4 | 3.077E-2 | 3.2 | 6.137E-2 | 2.1 |
| 6.0E+8 | 2.875E-2 | 2.4 | 2.899E-2 | 3.3 | 5.774E-2 | 2.3 |
| 8.0E+8 | 2.548E-2 | 2.6 | 2.580E-2 | 3.6 | 5.128E-2 | 2.4 |
Table 9 (continued)
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 1.0E+9 | 2.268E-2 | 2.7 | 2.305E-2 | 3.9 | 4.573E-2 | 2.6 |
| 1.5E+9 | 1.730E-2 | 3.0 | 1.769E-2 | 4.4 | 3.499E-2 | 2.7 |
| 2.0E+9 | 1.360E-2 | 3.3 | 1.397E-2 | 4.7 | 2.758E-2 | 3.2 |
| 3.0E+9 | 9.328E-3 | 3.6 | 9.592E-3 | 5.4 | 1.892E-2 | 3.5 |
| 4.0E+9 | 7.305E-3 | 3.9 | 7.475E-3 | 6.2 | 1.478E-2 | 3.9 |
| 5.0E+9 | 6.345E-3 | 4.2 | 6.453E-3 | 7.0 | 1.280E-2 | 4.2 |
| 6.0E+9 | 5.887E-3 | 4.4 | 5.958E-3 | 7.7 | 1.185E-2 | 5.0 |
| 8.0E+9 | 5.560E-3 | 4.7 | 5.603E-3 | 9.2 | 1.116E-2 | 5.7 |
| 1.0E+10 | 5.480E-3 | 4.7 | 5.518E-3 | 10.7 | 1.100E-2 | 5.7 |
| 1.5E+10 | 5.446E-3 | 4.7 | 5.488E-3 | 10.7 | 1.093E-2 | 5.7 |
| 2.0E+10 | 5.439E-3 | 4.7 | 5.481E-3 | 10.7 | 1.092E-2 | 5.7 |
| 3.0E+10 | 5.431E-3 | 4.7 | 5.469E-3 | 10.7 | 1.090E-2 | 5.7 |
| 4.0E+10 | 5.423E-3 | 4.7 | 5.457E-3 | 10.7 | 1.088E-2 | 5.7 |
| 5.0E+10 | 5.416E-3 | 4.7 | 5.445E-3 | 10.8 | 1.086E-2 | 5.7 |
| 6.0E+10 | 5.409E-3 | 4.7 | 5.433E-3 | 10.8 | 1.084E-2 | 5.7 |
| 8.0E+10 | 5.394E-3 | 4.7 | 5.409E-3 | 10.8 | 1.080E-2 | 5.7 |
| 1.0E+11 | 5.380E-3 | 4.7 | 5.386E-3 | 10.8 | 1.077E-2 | 5.7 |
| 1.5E+11 | 5.344E-3 | 4.7 | 5.327E-3 | 11.0 | 1.067E-2 | 5.7 |
| 2.0E+11 | 5.308E-3 | 4.7 | 5.269E-3 | 11.1 | 1.058E-2 | 5.9 |
| 3.0E+11 | 5.237E-3 | 4.7 | 5.154E-3 | 11.3 | 1.039E-2 | 5.9 |
| 4.0E+11 | 5.168E-3 | 4.7 | 5.042E-3 | 11.6 | 1.021E-2 | 6.0 |
| 5.0E+11 | 5.099E-3 | 4.7 | 4.932E-3 | 11.7 | 1.003E-2 | 6.0 |
| 6.0E+11 | 5.032E-3 | 4.7 | 4.825E-3 | 12.0 | 9.857E-3 | 6.2 |
| 8.0E+11 | 4.901E-3 | 4.7 | 4.618E-3 | 12.5 | 9.519E-3 | 6.3 |
| 1.0E+12 | 4.774E-3 | 4.7 | 4.419E-3 | 12.9 | 9.193E-3 | 6.5 |
| 1.5E+12 | 4.475E-3 | 4.7 | 3.959E-3 | 14.5 | 8.435E-3 | 6.8 |
| 2.0E+12 | 4.200E-3 | 4.7 | 3.547E-3 | 16.2 | 7.747E-3 | 7.0 |
| 3.0E+12 | 3.712E-3 | 4.5 | 2.847E-3 | 19.7 | 6.560E-3 | 7.4 |
| 4.0E+12 | 3.297E-3 | 4.5 | 2.286E-3 | 23.0 | 5.582E-3 | 7.8 |
| 5.0E+12 | 2.941E-3 | 4.5 | 1.835E-3 | 26.3 | 4.775E-3 | 8.3 |
| 6.0E+12 | 2.635E-3 | 4.4 | 1.473E-3 | 29.7 | 4.108E-3 | 8.9 |
| 8.0E+12 | 2.143E-3 | 4.4 | 9.490E-4 | 36.3 | 3.092E-3 | 9.8 |
| 1.0E+13 | 1.771E-3 | 4.4 | 6.115E-4 | 43.1 | 2.383E-3 | 10.7 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
