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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 2
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 239Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 0.0 | 4.536E-1 | 5.4 | 3.635E-1 | 8.1 | 8.171E-1 | 4.3 |
| 1.0E-1 | 4.280E-1 | 4.9 | 3.410E-1 | 7.6 | 7.690E-1 | 3.8 |
| 1.5E-1 | 4.163E-1 | 4.7 | 3.309E-1 | 7.3 | 7.472E-1 | 3.7 |
| 2.0E-1 | 4.053E-1 | 4.5 | 3.214E-1 | 7.2 | 7.267E-1 | 3.6 |
| 3.0E-1 | 3.851E-1 | 4.3 | 3.041E-1 | 7.0 | 6.892E-1 | 3.5 |
| 4.0E-1 | 3.670E-1 | 4.1 | 2.886E-1 | 6.9 | 6.556E-1 | 3.4 |
| 5.0E-1 | 3.505E-1 | 4.0 | 2.748E-1 | 6.9 | 6.253E-1 | 3.4 |
| 6.0E-1 | 3.356E-1 | 3.9 | 2.623E-1 | 6.8 | 5.979E-1 | 3.3 |
| 8.0E-1 | 3.093E-1 | 3.7 | 2.406E-1 | 6.7 | 5.499E-1 | 3.3 |
| 1.0E+0 | 2.869E-1 | 3.6 | 2.224E-1 | 6.7 | 5.093E-1 | 3.2 |
| 1.5E+0 | 2.429E-1 | 3.5 | 1.871E-1 | 6.5 | 4.300E-1 | 3.1 |
| 2.0E+0 | 2.103E-1 | 3.4 | 1.614E-1 | 6.3 | 3.717E-1 | 3.1 |
| 3.0E+0 | 1.650E-1 | 3.3 | 1.262E-1 | 5.9 | 2.911E-1 | 3.0 |
| 4.0E+0 | 1.347E-1 | 3.3 | 1.032E-1 | 5.5 | 2.379E-1 | 2.8 |
| 5.0E+0 | 1.131E-1 | 3.3 | 8.699E-2 | 5.2 | 2.001E-1 | 2.7 |
| 6.0E+0 | 9.705E-2 | 3.3 | 7.506E-2 | 4.9 | 1.721E-1 | 2.6 |
| 8.0E+0 | 7.479E-2 | 3.3 | 5.875E-2 | 4.7 | 1.335E-1 | 2.6 |
| 1.0E+1 | 6.029E-2 | 3.4 | 4.820E-2 | 4.5 | 1.085E-1 | 2.6 |
| 1.5E+1 | 3.980E-2 | 3.5 | 3.327E-2 | 4.2 | 7.307E-2 | 2.6 |
| 2.0E+1 | 2.927E-2 | 3.6 | 2.545E-2 | 3.9 | 5.472E-2 | 2.5 |
| 3.0E+1 | 1.891E-2 | 3.8 | 1.741E-2 | 3.6 | 3.632E-2 | 2.5 |
| 4.0E+1 | 1.396E-2 | 3.9 | 1.331E-2 | 3.5 | 2.727E-2 | 2.6 |
| 5.0E+1 | 1.107E-2 | 3.9 | 1.079E-2 | 3.6 | 2.186E-2 | 2.6 |
| 6.0E+1 | 9.138E-3 | 3.9 | 9.063E-3 | 3.6 | 1.820E-2 | 2.5 |
| 8.0E+1 | 6.676E-3 | 3.6 | 6.785E-3 | 3.6 | 1.346E-2 | 2.5 |
| 1.0E+2 | 5.161E-3 | 2.8 | 5.334E-3 | 3.0 | 1.050E-2 | 2.4 |
| 1.5E+2 | 3.157E-3 | 2.6 | 3.328E-3 | 2.9 | 6.485E-3 | 2.1 |
| 2.0E+2 | 2.223E-3 | 2.6 | 2.349E-3 | 2.6 | 4.572E-3 | 1.9 |
| 3.0E+2 | 1.391E-3 | 2.9 | 1.460E-3 | 2.1 | 2.852E-3 | 1.7 |
| 4.0E+2 | 1.024E-3 | 3.1 | 1.074E-3 | 1.8 | 2.099E-3 | 1.7 |
| 5.0E+2 | 8.185E-4 | 3.3 | 8.643E-4 | 1.5 | 1.683E-3 | 1.8 |
| 6.0E+2 | 6.850E-4 | 3.4 | 7.312E-4 | 1.4 | 1.416E-3 | 1.8 |
| 8.0E+2 | 5.175E-4 | 3.5 | 5.673E-4 | 1.3 | 1.085E-3 | 1.8 |
| 1.0E+3 | 4.135E-4 | 3.6 | 4.663E-4 | 1.3 | 8.798E-4 | 1.8 |
| 1.5E+3 | 2.668E-4 | 3.4 | 3.214E-4 | 1.3 | 5.882E-4 | 1.7 |
| 2.0E+3 | 1.888E-4 | 3.2 | 2.410E-4 | 1.4 | 4.298E-4 | 1.6 |
| 3.0E+3 | 1.088E-4 | 2.7 | 1.534E-4 | 1.7 | 2.623E-4 | 1.5 |
| 4.0E+3 | 7.073E-5 | 2.6 | 1.077E-4 | 1.9 | 1.784E-4 | 1.6 |
| 5.0E+3 | 5.009E-5 | 2.5 | 8.051E-5 | 2.1 | 1.306E-4 | 1.6 |
| 6.0E+3 | 3.788E-5 | 2.5 | 6.289E-5 | 2.2 | 1.008E-4 | 1.7 |
| 8.0E+3 | 2.489E-5 | 2.8 | 4.191E-5 | 2.3 | 6.679E-5 | 1.8 |
Table 2 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 239Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+4 | 1.845E-5 | 2.9 | 3.013E-5 | 2.3 | 4.858E-5 | 1.8 |
| 1.5E+4 | 1.130E-5 | 3.0 | 1.599E-5 | 2.1 | 2.729E-5 | 1.7 |
| 2.0E+4 | 8.202E-6 | 3.0 | 1.015E-5 | 1.8 | 1.835E-5 | 1.7 |
| 3.0E+4 | 5.292E-6 | 2.8 | 5.710E-6 | 1.6 | 1.100E-5 | 1.6 |
| 4.0E+4 | 3.833E-6 | 2.7 | 4.022E-6 | 1.5 | 7.855E-6 | 1.5 |
| 5.0E+4 | 2.926E-6 | 2.6 | 3.108E-6 | 1.5 | 6.034E-6 | 1.5 |
| 6.0E+4 | 2.310E-6 | 2.7 | 2.517E-6 | 1.4 | 4.827E-6 | 1.5 |
| 8.0E+4 | 1.554E-6 | 2.8 | 1.792E-6 | 1.4 | 3.346E-6 | 1.5 |
| 1.0E+5 | 1.130E-6 | 2.9 | 1.369E-6 | 1.3 | 2.499E-6 | 1.5 |
| 1.5E+5 | 6.257E-7 | 2.9 | 8.366E-7 | 1.3 | 1.462E-6 | 1.4 |
| 2.0E+5 | 4.084E-7 | 2.8 | 5.939E-7 | 1.3 | 1.002E-6 | 1.4 |
| 3.0E+5 | 2.282E-7 | 2.9 | 3.760E-7 | 1.3 | 6.042E-7 | 1.3 |
| 4.0E+5 | 1.569E-7 | 2.9 | 2.777E-7 | 1.2 | 4.346E-7 | 1.3 |
| 5.0E+5 | 1.200E-7 | 2.9 | 2.211E-7 | 1.2 | 3.411E-7 | 1.3 |
| 6.0E+5 | 9.740E-8 | 2.8 | 1.833E-7 | 1.1 | 2.807E-7 | 1.2 |
| 8.0E+5 | 7.052E-8 | 2.6 | 1.344E-7 | 1.0 | 2.050E-7 | 1.1 |
| 1.0E+6 | 5.487E-8 | 2.5 | 1.039E-7 | 0.9 | 1.588E-7 | 1.0 |
| 1.5E+6 | 3.465E-8 | 2.4 | 6.327E-8 | 0.9 | 9.792E-8 | 1.0 |
| 2.0E+6 | 2.495E-8 | 2.4 | 4.407E-8 | 0.9 | 6.902E-8 | 1.0 |
| 3.0E+6 | 1.541E-8 | 2.1 | 2.576E-8 | 1.1 | 4.118E-8 | 1.0 |
| 4.0E+6 | 1.074E-8 | 1.7 | 1.694E-8 | 1.3 | 2.768E-8 | 1.1 |
| 5.0E+6 | 8.106E-9 | 1.4 | 1.206E-8 | 1.5 | 2.017E-8 | 1.1 |
| 6.0E+6 | 6.506E-9 | 1.3 | 9.177E-9 | 1.7 | 1.568E-8 | 1.2 |
| 8.0E+6 | 4.750E-9 | 1.2 | 6.130E-9 | 2.1 | 1.088E-8 | 1.3 |
| 1.0E+7 | 3.820E-9 | 1.2 | 4.553E-9 | 2.3 | 8.372E-9 | 1.4 |
| 1.5E+7 | 2.635E-9 | 1.4 | 2.476E-9 | 2.4 | 5.111E-9 | 1.4 |
| 2.0E+7 | 2.032E-9 | 1.6 | 1.404E-9 | 2.5 | 3.436E-9 | 1.4 |
| 3.0E+7 | 1.408E-9 | 1.8 | 4.976E-10 | 2.2 | 1.905E-9 | 1.5 |
| 4.0E+7 | 1.065E-9 | 1.9 | 2.223E-10 | 2.1 | 1.287E-9 | 1.6 |
| 5.0E+7 | 8.297E-10 | 2.0 | 1.316E-10 | 2.1 | 9.613E-10 | 1.8 |
| 6.0E+7 | 6.545E-10 | 2.1 | 9.592E-11 | 1.9 | 7.505E-10 | 1.8 |
| 8.0E+7 | 4.148E-10 | 2.1 | 6.634E-11 | 1.8 | 4.812E-10 | 1.8 |
| 1.0E+8 | 2.684E-10 | 2.1 | 5.147E-11 | 1.7 | 3.199E-10 | 1.8 |
| 1.5E+8 | 1.025E-10 | 1.9 | 3.379E-11 | 1.1 | 1.363E-10 | 1.5 |
| 2.0E+8 | 5.084E-11 | 1.8 | 2.723E-11 | 0.8 | 7.807E-11 | 1.2 |
| 3.0E+8 | 2.736E-11 | 2.1 | 2.277E-11 | 0.8 | 5.013E-11 | 1.2 |
| 4.0E+8 | 2.290E-11 | 2.2 | 2.074E-11 | 0.8 | 4.364E-11 | 1.2 |
| 5.0E+8 | 2.077E-11 | 2.2 | 1.916E-11 | 0.8 | 3.993E-11 | 1.2 |
| 6.0E+8 | 1.911E-11 | 2.2 | 1.777E-11 | 0.8 | 3.687E-11 | 1.2 |
| 8.0E+8 | 1.633E-11 | 2.1 | 1.533E-11 | 0.8 | 3.166E-11 | 1.2 |
Table 2 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 239Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+9 | 1.401E-11 | 2.0 | 1.324E-11 | 0.8 | 2.725E-11 | 1.1 |
| 1.5E+9 | 9.587E-12 | 2.0 | 9.197E-12 | 0.8 | 1.878E-11 | 1.1 |
| 2.0E+9 | 6.575E-12 | 2.0 | 6.391E-12 | 0.8 | 1.297E-11 | 1.1 |
| 3.0E+9 | 3.102E-12 | 2.1 | 3.087E-12 | 0.8 | 6.188E-12 | 1.2 |
| 4.0E+9 | 1.468E-12 | 2.1 | 1.491E-12 | 0.8 | 2.959E-12 | 1.2 |
| 5.0E+9 | 6.969E-13 | 2.1 | 7.207E-13 | 0.8 | 1.418E-12 | 1.2 |
| 6.0E+9 | 3.328E-13 | 2.1 | 3.487E-13 | 0.8 | 6.815E-13 | 1.2 |
| 8.0E+9 | 7.840E-14 | 2.1 | 8.234E-14 | 0.8 | 1.607E-13 | 1.2 |
| 1.0E+10 | 2.043E-14 | 2.0 | 2.024E-14 | 0.8 | 4.067E-14 | 1.1 |
| 1.5E+10 | 2.426E-15 | 2.4 | 1.852E-15 | 1.5 | 4.277E-15 | 1.5 |
| 2.0E+10 | 1.371E-15 | 3.1 | 1.367E-15 | 2.0 | 2.738E-15 | 1.9 |
| 3.0E+10 | 1.100E-15 | 3.5 | 1.351E-15 | 2.0 | 2.451E-15 | 2.1 |
| 4.0E+10 | 1.076E-15 | 3.6 | 1.348E-15 | 2.0 | 2.424E-15 | 2.1 |
| 5.0E+10 | 1.072E-15 | 3.6 | 1.345E-15 | 2.0 | 2.417E-15 | 2.1 |
| 6.0E+10 | 1.071E-15 | 3.6 | 1.342E-15 | 2.0 | 2.413E-15 | 2.1 |
| 8.0E+10 | 1.067E-15 | 3.6 | 1.336E-15 | 2.0 | 2.404E-15 | 2.1 |
| 1.0E+11 | 1.064E-15 | 3.6 | 1.330E-15 | 2.0 | 2.395E-15 | 2.1 |
| 1.5E+11 | 1.056E-15 | 3.6 | 1.316E-15 | 2.0 | 2.372E-15 | 2.1 |
| 2.0E+11 | 1.048E-15 | 3.5 | 1.302E-15 | 2.0 | 2.350E-15 | 2.1 |
| 3.0E+11 | 1.033E-15 | 3.5 | 1.273E-15 | 2.0 | 2.306E-15 | 2.1 |
| 4.0E+11 | 1.018E-15 | 3.5 | 1.246E-15 | 2.0 | 2.263E-15 | 2.1 |
| 5.0E+11 | 1.003E-15 | 3.5 | 1.218E-15 | 2.0 | 2.221E-15 | 2.1 |
| 6.0E+11 | 9.884E-16 | 3.5 | 1.192E-15 | 2.0 | 2.180E-15 | 2.1 |
| 8.0E+11 | 9.599E-16 | 3.5 | 1.141E-15 | 2.0 | 2.101E-15 | 2.1 |
| 1.0E+12 | 9.324E-16 | 3.4 | 1.092E-15 | 2.0 | 2.024E-15 | 2.0 |
| 1.5E+12 | 8.678E-16 | 3.4 | 9.780E-16 | 2.0 | 1.846E-15 | 2.0 |
| 2.0E+12 | 8.087E-16 | 3.3 | 8.762E-16 | 2.0 | 1.685E-15 | 2.0 |
| 3.0E+12 | 7.047E-16 | 3.3 | 7.033E-16 | 2.0 | 1.408E-15 | 2.0 |
| 4.0E+12 | 6.169E-16 | 3.0 | 5.645E-16 | 2.0 | 1.181E-15 | 1.9 |
| 5.0E+12 | 5.426E-16 | 2.9 | 4.532E-16 | 2.0 | 9.957E-16 | 1.9 |
| 6.0E+12 | 4.793E-16 | 2.8 | 3.637E-16 | 2.0 | 8.431E-16 | 1.8 |
| 8.0E+12 | 3.792E-16 | 2.6 | 2.344E-16 | 2.0 | 6.136E-16 | 1.7 |
| 1.0E+13 | 3.052E-16 | 2.4 | 1.510E-16 | 2.0 | 4.562E-16 | 1.6 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
