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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 5
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 241Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 0.0 | 8.441E-1 | 8.3 | 6.351E-1 | 12.3 | 1.479E+0 | 6.7 |
| 1.0E-1 | 7.809E-1 | 7.3 | 5.863E-1 | 11.3 | 1.367E+0 | 5.7 |
| 1.5E-1 | 7.536E-1 | 7.0 | 5.652E-1 | 11.0 | 1.319E+0 | 5.5 |
| 2.0E-1 | 7.284E-1 | 6.8 | 5.457E-1 | 10.8 | 1.274E+0 | 5.4 |
| 3.0E-1 | 6.833E-1 | 6.4 | 5.110E-1 | 10.5 | 1.194E+0 | 5.2 |
| 4.0E-1 | 6.441E-1 | 6.2 | 4.809E-1 | 10.4 | 1.125E+0 | 5.1 |
| 5.0E-1 | 6.097E-1 | 6.0 | 4.546E-1 | 10.3 | 1.064E+0 | 5.1 |
| 6.0E-1 | 5.791E-1 | 5.8 | 4.312E-1 | 10.2 | 1.010E+0 | 5.0 |
| 8.0E-1 | 5.268E-1 | 5.6 | 3.914E-1 | 10.1 | 9.182E-1 | 4.9 |
| 1.0E+0 | 4.836E-1 | 5.4 | 3.587E-1 | 10.0 | 8.423E-1 | 4.8 |
| 1.5E+0 | 4.017E-1 | 5.2 | 2.970E-1 | 9.7 | 6.987E-1 | 4.7 |
| 2.0E+0 | 3.430E-1 | 5.1 | 2.533E-1 | 9.4 | 5.963E-1 | 4.6 |
| 3.0E+0 | 2.633E-1 | 5.0 | 1.949E-1 | 8.8 | 4.582E-1 | 4.5 |
| 4.0E+0 | 2.115E-1 | 4.9 | 1.573E-1 | 8.2 | 3.688E-1 | 4.2 |
| 5.0E+0 | 1.750E-1 | 4.9 | 1.312E-1 | 7.7 | 3.062E-1 | 4.1 |
| 6.0E+0 | 1.480E-1 | 4.9 | 1.120E-1 | 7.4 | 2.600E-1 | 4.0 |
| 8.0E+0 | 1.111E-1 | 5.0 | 8.591E-2 | 7.0 | 1.970E-1 | 3.9 |
| 1.0E+1 | 8.754E-2 | 5.1 | 6.916E-2 | 6.8 | 1.567E-1 | 3.9 |
| 1.5E+1 | 5.539E-2 | 5.2 | 4.602E-2 | 6.3 | 1.014E-1 | 3.8 |
| 2.0E+1 | 3.969E-2 | 5.4 | 3.441E-2 | 5.9 | 7.410E-2 | 3.8 |
| 3.0E+1 | 2.491E-2 | 5.7 | 2.299E-2 | 5.4 | 4.790E-2 | 3.8 |
| 4.0E+1 | 1.807E-2 | 5.9 | 1.736E-2 | 5.3 | 3.543E-2 | 3.8 |
| 5.0E+1 | 1.414E-2 | 5.9 | 1.393E-2 | 5.3 | 2.807E-2 | 3.9 |
| 6.0E+1 | 1.155E-2 | 5.8 | 1.158E-2 | 5.4 | 2.313E-2 | 3.8 |
| 8.0E+1 | 8.288E-3 | 5.5 | 8.486E-3 | 5.3 | 1.677E-2 | 3.7 |
| 1.0E+2 | 6.315E-3 | 4.2 | 6.538E-3 | 4.4 | 1.285E-2 | 3.5 |
| 1.5E+2 | 3.757E-3 | 3.9 | 3.912E-3 | 4.3 | 7.669E-3 | 3.1 |
| 2.0E+2 | 2.594E-3 | 3.9 | 2.677E-3 | 3.9 | 5.271E-3 | 2.8 |
| 3.0E+2 | 1.584E-3 | 4.3 | 1.598E-3 | 3.1 | 3.181E-3 | 2.6 |
| 4.0E+2 | 1.148E-3 | 4.6 | 1.147E-3 | 2.7 | 2.295E-3 | 2.6 |
| 5.0E+2 | 9.077E-4 | 5.0 | 9.081E-4 | 2.3 | 1.816E-3 | 2.7 |
| 6.0E+2 | 7.531E-4 | 5.1 | 7.605E-4 | 2.1 | 1.514E-3 | 2.7 |
| 8.0E+2 | 5.613E-4 | 5.3 | 5.837E-4 | 1.9 | 1.145E-3 | 2.7 |
| 1.0E+3 | 4.443E-4 | 5.4 | 4.780E-4 | 1.9 | 9.222E-4 | 2.7 |
| 1.5E+3 | 2.826E-4 | 5.1 | 3.296E-4 | 2.0 | 6.122E-4 | 2.6 |
| 2.0E+3 | 1.986E-4 | 4.8 | 2.479E-4 | 2.2 | 4.466E-4 | 2.4 |
| 3.0E+3 | 1.137E-4 | 4.1 | 1.585E-4 | 2.6 | 2.722E-4 | 2.3 |
| 4.0E+3 | 7.339E-5 | 3.9 | 1.115E-4 | 2.9 | 1.849E-4 | 2.4 |
| 5.0E+3 | 5.159E-5 | 3.7 | 8.336E-5 | 3.2 | 1.350E-4 | 2.4 |
| 6.0E+3 | 3.868E-5 | 3.8 | 6.509E-5 | 3.3 | 1.038E-4 | 2.6 |
| 8.0E+3 | 2.495E-5 | 4.1 | 4.322E-5 | 3.4 | 6.817E-5 | 2.7 |
Table 5 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 241Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+4 | 1.817E-5 | 4.4 | 3.086E-5 | 3.4 | 4.903E-5 | 2.7 |
| 1.5E+4 | 1.074E-5 | 4.5 | 1.592E-5 | 3.2 | 2.667E-5 | 2.6 |
| 2.0E+4 | 7.626E-6 | 4.4 | 9.797E-6 | 2.8 | 1.742E-5 | 2.5 |
| 3.0E+4 | 4.839E-6 | 4.2 | 5.324E-6 | 2.3 | 1.016E-5 | 2.4 |
| 4.0E+4 | 3.509E-6 | 4.1 | 3.725E-6 | 2.3 | 7.234E-6 | 2.3 |
| 5.0E+4 | 2.696E-6 | 3.9 | 2.877E-6 | 2.2 | 5.573E-6 | 2.2 |
| 6.0E+4 | 2.145E-6 | 4.0 | 2.328E-6 | 2.1 | 4.472E-6 | 2.3 |
| 8.0E+4 | 1.461E-6 | 4.2 | 1.647E-6 | 2.0 | 3.108E-6 | 2.3 |
| 1.0E+5 | 1.072E-6 | 4.3 | 1.248E-6 | 2.0 | 2.320E-6 | 2.2 |
| 1.5E+5 | 6.013E-7 | 4.3 | 7.490E-7 | 1.9 | 1.350E-6 | 2.1 |
| 2.0E+5 | 3.951E-7 | 4.2 | 5.277E-7 | 1.9 | 9.228E-7 | 2.0 |
| 3.0E+5 | 2.224E-7 | 4.3 | 3.350E-7 | 1.9 | 5.574E-7 | 2.0 |
| 4.0E+5 | 1.535E-7 | 4.3 | 2.505E-7 | 1.9 | 4.041E-7 | 2.0 |
| 5.0E+5 | 1.179E-7 | 4.3 | 2.025E-7 | 1.8 | 3.204E-7 | 1.9 |
| 6.0E+5 | 9.606E-8 | 4.2 | 1.704E-7 | 1.7 | 2.664E-7 | 1.8 |
| 8.0E+5 | 7.021E-8 | 3.9 | 1.283E-7 | 1.5 | 1.985E-7 | 1.7 |
| 1.0E+6 | 5.517E-8 | 3.7 | 1.013E-7 | 1.4 | 1.565E-7 | 1.6 |
| 1.5E+6 | 3.550E-8 | 3.6 | 6.382E-8 | 1.3 | 9.932E-8 | 1.5 |
| 2.0E+6 | 2.578E-8 | 3.5 | 4.500E-8 | 1.4 | 7.078E-8 | 1.6 |
| 3.0E+6 | 1.595E-8 | 3.1 | 2.607E-8 | 1.7 | 4.202E-8 | 1.5 |
| 4.0E+6 | 1.108E-8 | 2.6 | 1.670E-8 | 2.0 | 2.779E-8 | 1.7 |
| 5.0E+6 | 8.370E-9 | 2.1 | 1.154E-8 | 2.3 | 1.991E-8 | 1.6 |
| 6.0E+6 | 6.752E-9 | 1.9 | 8.537E-9 | 2.6 | 1.529E-8 | 1.8 |
| 8.0E+6 | 5.035E-9 | 1.8 | 5.484E-9 | 3.2 | 1.052E-8 | 2.0 |
| 1.0E+7 | 4.161E-9 | 1.8 | 4.005E-9 | 3.4 | 8.166E-9 | 2.0 |
| 1.5E+7 | 3.062E-9 | 2.1 | 2.179E-9 | 3.7 | 5.242E-9 | 2.1 |
| 2.0E+7 | 2.473E-9 | 2.4 | 1.263E-9 | 3.7 | 3.736E-9 | 2.1 |
| 3.0E+7 | 1.798E-9 | 2.8 | 4.858E-10 | 3.3 | 2.284E-9 | 2.2 |
| 4.0E+7 | 1.383E-9 | 2.9 | 2.426E-10 | 3.2 | 1.626E-9 | 2.4 |
| 5.0E+7 | 1.085E-9 | 3.0 | 1.565E-10 | 3.1 | 1.241E-9 | 2.6 |
| 6.0E+7 | 8.574E-10 | 3.1 | 1.183E-10 | 2.9 | 9.757E-10 | 2.7 |
| 8.0E+7 | 5.423E-10 | 3.1 | 8.155E-11 | 2.6 | 6.238E-10 | 2.7 |
| 1.0E+8 | 3.482E-10 | 3.1 | 6.138E-11 | 2.5 | 4.096E-10 | 2.6 |
| 1.5E+8 | 1.261E-10 | 2.9 | 3.730E-11 | 1.6 | 1.634E-10 | 2.2 |
| 2.0E+8 | 5.629E-11 | 2.6 | 2.868E-11 | 1.2 | 8.497E-11 | 1.8 |
| 3.0E+8 | 2.507E-11 | 3.1 | 2.340E-11 | 1.2 | 4.848E-11 | 1.8 |
| 4.0E+8 | 1.995E-11 | 3.2 | 2.131E-11 | 1.2 | 4.127E-11 | 1.8 |
| 5.0E+8 | 1.793E-11 | 3.3 | 1.972E-11 | 1.2 | 3.766E-11 | 1.8 |
| 6.0E+8 | 1.647E-11 | 3.3 | 1.830E-11 | 1.3 | 3.477E-11 | 1.8 |
| 8.0E+8 | 1.407E-11 | 3.1 | 1.580E-11 | 1.3 | 2.987E-11 | 1.8 |
Table 5 (continued)
Tabular Data for Recommended Decay Heat Power for
Pulse Thermal Fission of 241Pu
| Time | Beta | Uncertainty | Gamma | Uncertainty | Total | Uncertainty |
| (s) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) | (MeV/s/fission) | (%) |
| 1.0E+9 | 1.208E-11 | 3.1 | 1.365E-11 | 1.3 | 2.572E-11 | 1.7 |
| 1.5E+9 | 8.283E-12 | 3.0 | 9.480E-12 | 1.2 | 1.776E-11 | 1.7 |
| 2.0E+9 | 5.694E-12 | 3.0 | 6.587E-12 | 1.2 | 1.228E-11 | 1.7 |
| 3.0E+9 | 2.698E-12 | 3.2 | 3.181E-12 | 1.2 | 5.879E-12 | 1.7 |
| 4.0E+9 | 1.283E-12 | 3.2 | 1.536E-12 | 1.2 | 2.819E-12 | 1.7 |
| 5.0E+9 | 6.125E-13 | 3.2 | 7.418E-13 | 1.2 | 1.354E-12 | 1.7 |
| 6.0E+9 | 2.945E-13 | 3.2 | 3.584E-13 | 1.2 | 6.529E-13 | 1.7 |
| 8.0E+9 | 7.073E-14 | 3.2 | 8.386E-14 | 1.2 | 1.546E-13 | 1.7 |
| 1.0E+10 | 1.898E-14 | 3.0 | 1.985E-14 | 1.2 | 3.883E-14 | 1.7 |
| 1.5E+10 | 2.251E-15 | 3.6 | 8.966E-16 | 2.3 | 3.148E-15 | 2.3 |
| 2.0E+10 | 1.090E-15 | 4.7 | 3.985E-16 | 3.0 | 1.489E-15 | 2.9 |
| 3.0E+10 | 7.664E-16 | 5.3 | 3.842E-16 | 3.0 | 1.151E-15 | 3.1 |
| 4.0E+10 | 7.382E-16 | 5.4 | 3.833E-16 | 3.0 | 1.121E-15 | 3.1 |
| 5.0E+10 | 7.349E-16 | 5.4 | 3.825E-16 | 3.0 | 1.117E-15 | 3.1 |
| 6.0E+10 | 7.339E-16 | 5.4 | 3.816E-16 | 3.0 | 1.115E-15 | 3.1 |
| 8.0E+10 | 7.321E-16 | 5.4 | 3.799E-16 | 3.0 | 1.112E-15 | 3.1 |
| 1.0E+11 | 7.304E-16 | 5.4 | 3.783E-16 | 3.0 | 1.109E-15 | 3.1 |
| 1.5E+11 | 7.262E-16 | 5.4 | 3.741E-16 | 3.0 | 1.100E-15 | 3.1 |
| 2.0E+11 | 7.220E-16 | 5.3 | 3.701E-16 | 3.0 | 1.092E-15 | 3.1 |
| 3.0E+11 | 7.136E-16 | 5.3 | 3.620E-16 | 3.0 | 1.076E-15 | 3.1 |
| 4.0E+11 | 7.054E-16 | 5.3 | 3.541E-16 | 3.0 | 1.060E-15 | 3.1 |
| 5.0E+11 | 6.973E-16 | 5.3 | 3.464E-16 | 3.0 | 1.044E-15 | 3.1 |
| 6.0E+11 | 6.893E-16 | 5.3 | 3.389E-16 | 3.0 | 1.028E-15 | 3.1 |
| 8.0E+11 | 6.737E-16 | 5.3 | 3.243E-16 | 3.0 | 9.980E-16 | 3.1 |
| 1.0E+12 | 6.585E-16 | 5.1 | 3.104E-16 | 3.0 | 9.689E-16 | 3.1 |
| 1.5E+12 | 6.223E-16 | 5.1 | 2.781E-16 | 3.0 | 9.004E-16 | 3.0 |
| 2.0E+12 | 5.885E-16 | 5.0 | 2.491E-16 | 3.0 | 8.377E-16 | 3.0 |
| 3.0E+12 | 5.275E-16 | 5.0 | 2.000E-16 | 3.0 | 7.275E-16 | 2.9 |
| 4.0E+12 | 4.741E-16 | 4.5 | 1.605E-16 | 3.0 | 6.347E-16 | 2.9 |
| 5.0E+12 | 4.273E-16 | 4.4 | 1.289E-16 | 3.0 | 5.562E-16 | 2.8 |
| 6.0E+12 | 3.862E-16 | 4.2 | 1.034E-16 | 3.0 | 4.896E-16 | 2.7 |
| 8.0E+12 | 3.178E-16 | 3.9 | 6.666E-17 | 3.0 | 3.845E-16 | 2.5 |
| 1.0E+13 | 2.641E-16 | 3.6 | 4.296E-17 | 3.0 | 3.071E-16 | 2.4 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
