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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 7
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 239Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 0.0 | 5.265E+0 | 2.6 | 5.350E+0 | 2.5 | 1.062E+1 | 1.9 |
| 1.0E-1 | 5.221E+0 | 2.1 | 5.314E+0 | 2.0 | 1.054E+1 | 1.4 |
| 1.5E-1 | 5.200E+0 | 2.0 | 5.298E+0 | 1.9 | 1.050E+1 | 1.3 |
| 2.0E-1 | 5.180E+0 | 2.0 | 5.281E+0 | 1.9 | 1.046E+1 | 1.3 |
| 3.0E-1 | 5.140E+0 | 2.0 | 5.250E+0 | 1.8 | 1.039E+1 | 1.3 |
| 4.0E-1 | 5.103E+0 | 1.9 | 5.220E+0 | 1.8 | 1.032E+1 | 1.3 |
| 5.0E-1 | 5.067E+0 | 1.9 | 5.192E+0 | 1.8 | 1.026E+1 | 1.3 |
| 6.0E-1 | 5.032E+0 | 1.9 | 5.165E+0 | 1.8 | 1.020E+1 | 1.3 |
| 8.0E-1 | 4.968E+0 | 1.9 | 5.115E+0 | 1.7 | 1.008E+1 | 1.2 |
| 1.0E+0 | 4.908E+0 | 1.9 | 5.069E+0 | 1.7 | 9.977E+0 | 1.2 |
| 1.5E+0 | 4.777E+0 | 1.9 | 4.967E+0 | 1.6 | 9.744E+0 | 1.2 |
| 2.0E+0 | 4.664E+0 | 1.9 | 4.880E+0 | 1.6 | 9.544E+0 | 1.2 |
| 3.0E+0 | 4.478E+0 | 1.9 | 4.738E+0 | 1.5 | 9.216E+0 | 1.2 |
| 4.0E+0 | 4.329E+0 | 1.9 | 4.624E+0 | 1.5 | 8.953E+0 | 1.2 |
| 5.0E+0 | 4.205E+0 | 1.9 | 4.529E+0 | 1.5 | 8.735E+0 | 1.2 |
| 6.0E+0 | 4.101E+0 | 1.9 | 4.449E+0 | 1.5 | 8.549E+0 | 1.1 |
| 8.0E+0 | 3.931E+0 | 1.9 | 4.316E+0 | 1.4 | 8.247E+0 | 1.1 |
| 1.0E+1 | 3.796E+0 | 1.9 | 4.210E+0 | 1.4 | 8.006E+0 | 1.1 |
| 1.5E+1 | 3.553E+0 | 1.9 | 4.011E+0 | 1.4 | 7.563E+0 | 1.1 |
| 2.0E+1 | 3.383E+0 | 1.8 | 3.866E+0 | 1.3 | 7.248E+0 | 1.1 |
| 3.0E+1 | 3.149E+0 | 1.8 | 3.657E+0 | 1.3 | 6.806E+0 | 1.1 |
| 4.0E+1 | 2.987E+0 | 1.8 | 3.505E+0 | 1.2 | 6.492E+0 | 1.1 |
| 5.0E+1 | 2.863E+0 | 1.8 | 3.385E+0 | 1.2 | 6.248E+0 | 1.0 |
| 6.0E+1 | 2.763E+0 | 1.8 | 3.287E+0 | 1.2 | 6.049E+0 | 1.0 |
| 8.0E+1 | 2.607E+0 | 1.8 | 3.130E+0 | 1.1 | 5.737E+0 | 1.0 |
| 1.0E+2 | 2.489E+0 | 1.8 | 3.010E+0 | 1.1 | 5.499E+0 | 1.0 |
| 1.5E+2 | 2.288E+0 | 1.8 | 2.800E+0 | 1.0 | 5.088E+0 | 1.0 |
| 2.0E+2 | 2.157E+0 | 1.9 | 2.661E+0 | 1.0 | 4.817E+0 | 1.0 |
| 3.0E+2 | 1.982E+0 | 1.8 | 2.477E+0 | 1.0 | 4.460E+0 | 1.0 |
| 4.0E+2 | 1.864E+0 | 1.8 | 2.353E+0 | 1.0 | 4.216E+0 | 1.0 |
| 5.0E+2 | 1.772E+0 | 1.8 | 2.257E+0 | 1.0 | 4.029E+0 | 1.0 |
| 6.0E+2 | 1.698E+0 | 1.8 | 2.177E+0 | 1.0 | 3.875E+0 | 1.0 |
| 8.0E+2 | 1.579E+0 | 1.7 | 2.049E+0 | 1.1 | 3.628E+0 | 0.9 |
| 1.0E+3 | 1.487E+0 | 1.6 | 1.946E+0 | 1.1 | 3.433E+0 | 0.9 |
| 1.5E+3 | 1.321E+0 | 1.5 | 1.754E+0 | 1.1 | 3.074E+0 | 0.9 |
| 2.0E+3 | 1.209E+0 | 1.5 | 1.615E+0 | 1.1 | 2.823E+0 | 0.9 |
| 3.0E+3 | 1.065E+0 | 1.5 | 1.423E+0 | 1.1 | 2.488E+0 | 0.9 |
| 4.0E+3 | 9.776E-1 | 1.5 | 1.294E+0 | 1.1 | 2.272E+0 | 0.9 |
| 5.0E+3 | 9.182E-1 | 1.5 | 1.201E+0 | 1.0 | 2.119E+0 | 0.9 |
| 6.0E+3 | 8.747E-1 | 1.5 | 1.130E+0 | 1.0 | 2.005E+0 | 0.9 |
| 8.0E+3 | 8.136E-1 | 1.5 | 1.028E+0 | 0.9 | 1.841E+0 | 0.8 |
Table 7 (continued)
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 239Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 1.0E+4 | 7.710E-1 | 1.5 | 9.565E-1 | 0.9 | 1.727E+0 | 0.8 |
| 1.5E+4 | 6.996E-1 | 1.5 | 8.469E-1 | 0.8 | 1.546E+0 | 0.8 |
| 2.0E+4 | 6.517E-1 | 1.4 | 7.835E-1 | 0.8 | 1.435E+0 | 0.8 |
| 3.0E+4 | 5.862E-1 | 1.4 | 7.084E-1 | 0.8 | 1.295E+0 | 0.8 |
| 4.0E+4 | 5.413E-1 | 1.4 | 6.608E-1 | 0.8 | 1.202E+0 | 0.8 |
| 5.0E+4 | 5.078E-1 | 1.4 | 6.255E-1 | 0.8 | 1.133E+0 | 0.8 |
| 6.0E+4 | 4.818E-1 | 1.4 | 5.976E-1 | 0.8 | 1.079E+0 | 0.8 |
| 8.0E+4 | 4.440E-1 | 1.4 | 5.552E-1 | 0.8 | 9.992E-1 | 0.8 |
| 1.0E+5 | 4.175E-1 | 1.3 | 5.239E-1 | 0.8 | 9.414E-1 | 0.8 |
| 1.5E+5 | 3.756E-1 | 1.3 | 4.708E-1 | 0.9 | 8.464E-1 | 0.8 |
| 2.0E+5 | 3.504E-1 | 1.3 | 4.357E-1 | 0.9 | 7.861E-1 | 0.8 |
| 3.0E+5 | 3.202E-1 | 1.3 | 3.889E-1 | 0.9 | 7.091E-1 | 0.8 |
| 4.0E+5 | 3.014E-1 | 1.2 | 3.567E-1 | 0.9 | 6.581E-1 | 0.8 |
| 5.0E+5 | 2.877E-1 | 1.2 | 3.320E-1 | 1.0 | 6.197E-1 | 0.8 |
| 6.0E+5 | 2.769E-1 | 1.2 | 3.119E-1 | 1.0 | 5.888E-1 | 0.8 |
| 8.0E+5 | 2.604E-1 | 1.2 | 2.806E-1 | 1.1 | 5.409E-1 | 0.8 |
| 1.0E+6 | 2.480E-1 | 1.2 | 2.569E-1 | 1.0 | 5.049E-1 | 0.8 |
| 1.5E+6 | 2.263E-1 | 1.2 | 2.166E-1 | 1.1 | 4.429E-1 | 0.8 |
| 2.0E+6 | 2.116E-1 | 1.2 | 1.902E-1 | 1.2 | 4.019E-1 | 0.8 |
| 3.0E+6 | 1.921E-1 | 1.2 | 1.566E-1 | 1.3 | 3.487E-1 | 0.9 |
| 4.0E+6 | 1.793E-1 | 1.2 | 1.357E-1 | 1.4 | 3.150E-1 | 0.9 |
| 5.0E+6 | 1.700E-1 | 1.2 | 1.214E-1 | 1.4 | 2.914E-1 | 0.9 |
| 6.0E+6 | 1.627E-1 | 1.3 | 1.109E-1 | 1.4 | 2.737E-1 | 0.9 |
| 8.0E+6 | 1.517E-1 | 1.3 | 9.602E-2 | 1.4 | 2.477E-1 | 1.0 |
| 1.0E+7 | 1.432E-1 | 1.3 | 8.548E-2 | 1.4 | 2.287E-1 | 1.0 |
| 1.5E+7 | 1.275E-1 | 1.3 | 6.855E-2 | 1.3 | 1.960E-1 | 1.0 |
| 2.0E+7 | 1.159E-1 | 1.3 | 5.912E-2 | 1.4 | 1.750E-1 | 1.0 |
| 3.0E+7 | 9.912E-2 | 1.3 | 5.050E-2 | 1.5 | 1.496E-1 | 1.0 |
| 4.0E+7 | 8.688E-2 | 1.3 | 4.716E-2 | 1.5 | 1.340E-1 | 1.0 |
| 5.0E+7 | 7.748E-2 | 1.3 | 4.547E-2 | 1.6 | 1.229E-1 | 1.0 |
| 6.0E+7 | 7.009E-2 | 1.3 | 4.436E-2 | 1.6 | 1.144E-1 | 1.0 |
| 8.0E+7 | 5.960E-2 | 1.3 | 4.278E-2 | 1.7 | 1.024E-1 | 1.0 |
| 1.0E+8 | 5.289E-2 | 1.3 | 4.161E-2 | 1.7 | 9.450E-2 | 1.0 |
| 1.5E+8 | 4.441E-2 | 1.4 | 3.956E-2 | 1.7 | 8.397E-2 | 1.1 |
| 2.0E+8 | 4.082E-2 | 1.5 | 3.805E-2 | 1.8 | 7.887E-2 | 1.2 |
| 3.0E+8 | 3.728E-2 | 1.5 | 3.560E-2 | 1.9 | 7.288E-2 | 1.2 |
| 4.0E+8 | 3.481E-2 | 1.6 | 3.343E-2 | 2.0 | 6.823E-2 | 1.3 |
| 5.0E+8 | 3.263E-2 | 1.6 | 3.144E-2 | 2.1 | 6.407E-2 | 1.3 |
| 6.0E+8 | 3.064E-2 | 1.6 | 2.959E-2 | 2.2 | 6.023E-2 | 1.4 |
| 8.0E+8 | 2.710E-2 | 1.7 | 2.629E-2 | 2.4 | 5.339E-2 | 1.5 |
Table 7 (continued)
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 239Pu and for Irradiation of 1013 Seconds
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/fission) | (%) | (MeV/fission) | (%) | (MeV/fission) | (%) |
| 1.0E+9 | 2.408E-2 | 1.8 | 2.344E-2 | 2.6 | 4.751E-2 | 1.6 |
| 1.5E+9 | 1.825E-2 | 2.0 | 1.789E-2 | 2.9 | 3.614E-2 | 1.7 |
| 2.0E+9 | 1.426E-2 | 2.2 | 1.403E-2 | 3.1 | 2.829E-2 | 1.8 |
| 3.0E+9 | 9.635E-3 | 2.4 | 9.495E-3 | 3.6 | 1.913E-2 | 2.1 |
| 4.0E+9 | 7.452E-3 | 2.6 | 7.303E-3 | 4.1 | 1.475E-2 | 2.3 |
| 5.0E+9 | 6.418E-3 | 2.8 | 6.243E-3 | 4.6 | 1.266E-2 | 2.6 |
| 6.0E+9 | 5.926E-3 | 2.9 | 5.731E-3 | 5.1 | 1.166E-2 | 2.8 |
| 8.0E+9 | 5.576E-3 | 3.0 | 5.363E-3 | 6.1 | 1.094E-2 | 3.3 |
| 1.0E+10 | 5.492E-3 | 3.1 | 5.275E-3 | 7.1 | 1.077E-2 | 3.8 |
| 1.5E+10 | 5.458E-3 | 3.1 | 5.244E-3 | 7.1 | 1.070E-2 | 3.8 |
| 2.0E+10 | 5.451E-3 | 3.1 | 5.238E-3 | 7.1 | 1.069E-2 | 3.8 |
| 3.0E+10 | 5.442E-3 | 3.1 | 5.226E-3 | 7.1 | 1.067E-2 | 3.8 |
| 4.0E+10 | 5.435E-3 | 3.1 | 5.215E-3 | 7.1 | 1.065E-2 | 3.8 |
| 5.0E+10 | 5.428E-3 | 3.1 | 5.204E-3 | 7.2 | 1.063E-2 | 3.8 |
| 6.0E+10 | 5.421E-3 | 3.1 | 5.192E-3 | 7.2 | 1.061E-2 | 3.8 |
| 8.0E+10 | 5.406E-3 | 3.1 | 5.169E-3 | 7.2 | 1.058E-2 | 3.8 |
| 1.0E+11 | 5.392E-3 | 3.1 | 5.147E-3 | 7.2 | 1.054E-2 | 3.8 |
| 1.5E+11 | 5.356E-3 | 3.1 | 5.090E-3 | 7.3 | 1.045E-2 | 3.8 |
| 2.0E+11 | 5.321E-3 | 3.1 | 5.035E-3 | 7.4 | 1.036E-2 | 3.9 |
| 3.0E+11 | 5.251E-3 | 3.1 | 4.925E-3 | 7.5 | 1.018E-2 | 3.9 |
| 4.0E+11 | 5.183E-3 | 3.1 | 4.818E-3 | 7.7 | 1.000E-2 | 4.0 |
| 5.0E+11 | 5.115E-3 | 3.1 | 4.713E-3 | 7.8 | 9.829E-3 | 4.0 |
| 6.0E+11 | 5.049E-3 | 3.1 | 4.611E-3 | 8.0 | 9.660E-3 | 4.1 |
| 8.0E+11 | 4.920E-3 | 3.1 | 4.413E-3 | 8.3 | 9.332E-3 | 4.2 |
| 1.0E+12 | 4.794E-3 | 3.1 | 4.223E-3 | 8.6 | 9.017E-3 | 4.3 |
| 1.5E+12 | 4.499E-3 | 3.1 | 3.783E-3 | 9.7 | 8.282E-3 | 4.5 |
| 2.0E+12 | 4.227E-3 | 3.1 | 3.390E-3 | 10.8 | 7.616E-3 | 4.6 |
| 3.0E+12 | 3.743E-3 | 3.0 | 2.721E-3 | 13.1 | 6.464E-3 | 4.9 |
| 4.0E+12 | 3.330E-3 | 3.0 | 2.184E-3 | 15.3 | 5.514E-3 | 5.2 |
| 5.0E+12 | 2.976E-3 | 3.0 | 1.753E-3 | 17.5 | 4.729E-3 | 5.5 |
| 6.0E+12 | 2.671E-3 | 2.9 | 1.407E-3 | 19.8 | 4.078E-3 | 5.9 |
| 8.0E+12 | 2.178E-3 | 2.9 | 9.070E-4 | 24.2 | 3.085E-3 | 6.5 |
| 1.0E+13 | 1.805E-3 | 2.9 | 5.845E-4 | 28.7 | 2.390E-3 | 7.1 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
