Research Article
Data-Driven and Precursor-Group Uncertainty Propagation of Lattice Kinetic Parameters in UAM Benchmark
Table 2
Delayed neutron group data for isotopes delayed neutrons are assigned to either thermal or fast fission set.
| Isotope | No. | | | Isotope | No. | | |
| Th-227 (T) | 1 | 0.163 0.000 | 0.0125 0.0000 | Th-229 (T) | 1 | 0.109 0.000 | 0.0125 0.0000 | | 2 | 0.264 0.000 | 0.0308 0.0000 | | 2 | 0.223 0.000 | 0.0315 0.0000 | | 3 | 0.109 0.000 | 0.0661 0.0000 | | 3 | 0.116 0.000 | 0.0603 0.0000 | | 4 | 0.283 0.000 | 0.1995 0.0000 | | 4 | 0.295 0.000 | 0.1997 0.0000 | | 5 | 0.156 0.000 | 0.4691 0.0000 | | 5 | 0.206 0.000 | 0.5058 0.0000 | | 6 | 0.024 0.000 | 2.0235 0.0000 | | 6 | 0.052 0.000 | 1.7652 0.0000 |
| Th-232 (F) | 1 | 0.034 0.003 | 0.0124 0.0003 | Pa-231 (F) | 1 | 0.078 0.000 | 0.0125 0.0000 | [7] | 2 | 0.150 0.007 | 0.0334 0.0016 | | 2 | 0.213 0.000 | 0.0307 0.0000 | | 3 | 0.155 0.031 | 0.1210 0.007 | | 3 | 0.112 0.000 | 0.0591 0.0000 | | 4 | 0.446 0.022 | 0.3210 0.016 | | 4 | 0.304 0.000 | 0.1877 0.0000 | | 5 | 0.172 0.019 | 1.2100 0.1300 | | 5 | 0.243 0.000 | 0.4383 0.0000 | | 6 | 0.043 0.009 | 3.2900 0.4400 | | 6 | 0.052 0.000 | 2.1462 0.0000 |
| U-232 (T) | 1 | 0.120 0.013 | 0.0128 0.0001 | U-234 (F) | 1 | 0.054 0.000 | 0.0125 0.0000 | [25] | 2 | 0.300 0.032 | 0.0350 0.0003 | | 2 | 0.216 0.000 | 0.0304 0.0000 | | 3 | 0.307 0.040 | 0.1439 0.0059 | | 3 | 0.102 0.000 | 0.0690 0.0000 | | 4 | 0.259 0.034 | 0.3960 0.0450 | | 4 | 0.342 0.000 | 0.2051 0.0000 | | 5 | 0.016 0.001 | 1.3500 0.0000 | | 5 | 0.219 0.000 | 0.5090 0.0000 | | 6 | 0.000 0.000 | 0.0000 0.0000 | | 6 | 0.066 0.000 | 2.2513 0.0000 |
| U-236 (F) | 1 | 0.027 0.005 | 0.0125 0.0000 | U-238 (F) | 1 | 0.013 0.001 | 0.0132 0.0004 | [19] | 2 | 0.193 0.034 | 0.0338 0.0000 | [7] | 2 | 0.137 0.003 | 0.0321 0.0009 | | 3 | 0.179 0.040 | 0.1390 0.0000 | | 3 | 0.162 0.030 | 0.1390 0.0070 | | 4 | 0.431 0.089 | 0.3310 0.0000 | | 4 | 0.388 0.018 | 0.3580 0.0210 | | 5 | 0.132 0.028 | 1.0600 0.0000 | | 5 | 0.225 0.019 | 1.4100 0.1000 | | 6 | 0.037 0.015 | 2.4900 0.0000 | | 6 | 0.075 0.007 | 4.0200 0.3200 |
| Pu-238 (F) | 1 | 0.043 0.009 | 0.0126 0.0001 | Pu-240 (F) | 1 | 0.028 0.004 | 0.0129 0.0006 | [25] | 2 | 0.308 0.068 | 0.0303 0.0004 | [7] | 2 | 0.273 0.006 | 0.0313 0.0007 | | 3 | 0.115 0.070 | 0.0851 0.0120 | | 3 | 0.192 0.078 | 0.1350 0.0160 | | 4 | 0.178 0.040 | 0.1970 0.0230 | | 4 | 0.350 0.030 | 0.3330 0.0460 | | 5 | 0.328 0.073 | 0.3560 0.0510 | | 5 | 0.128 0.027 | 1.3600 0.3000 | | 6 | 0.033 0.005 | 2.5582 0.0000 | | 6 | 0.029 0.009 | 4.0400 1.1600 |
| Pu-241 (T) | 1 | 0.010 0.003 | 0.0128 0.0002 | Pu-242 (F) | 1 | 0.004 0.001 | 0.0128 0.0003 | [7] | 2 | 0.229 0.006 | 0.0299 0.0006 | [7] | 2 | 0.195 0.032 | 0.0314 0.0013 | | 3 | 0.173 0.025 | 0.1240 0.0130 | | 3 | 0.161 0.048 | 0.1280 0.0090 | | 4 | 0.390 0.050 | 0.3520 0.0180 | | 4 | 0.412 0.153 | 0.3250 0.0200 | | 5 | 0.182 0.019 | 1.6100 0.1500 | | 5 | 0.218 0.087 | 1.3500 0.9900 | | 6 | 0.016 0.005 | 3.4700 1.7000 | | 6 | 0.010 0.003 | 3.7000 0.4400 |
| Am-241 (T) | 1 | 0.036 0.002 | 0.0122 0.0005 | Cm-245 (T) | 1 | 0.024 0.002 | 0.1334 0.0001 | [21] | 2 | 0.309 0.015 | 0.0318 0.0016 | [25] | 2 | 0.302 0.028 | 0.0303 0.0001 | | 3 | 0.195 0.008 | 0.1110 0.0070 | | 3 | 0.091 0.029 | 0.1040 0.0140 | | 4 | 0.331 0.039 | 0.3000 0.0170 | | 4 | 0.294 0.056 | 0.2110 0.0110 | | 5 | 0.110 0.005 | 0.8900 0.0230 | | 5 | 0.230 0.031 | 0.5370 0.0730 | | 6 | 0.018 0.004 | 2.4568 0.0000 | | 6 | 0.059 0.004 | 2.8893 0.0000 |
| Cf-252 (S) | 1 | 0.005 0.001 | 0.0125 0.0000 | [26] | 2 | 0.233 0.029 | 0.0259 0.0011 | | 3 | 0.213 0.038 | 0.1136 0.0261 | | 4 | 0.385 0.049 | 0.3466 0.0520 | | 5 | 0.133 0.027 | 1.3863 0.2772 | | 6 | 0.031 0.008 | 3.2396 0.0000 |
|
|
Computational data taken from [ 27]. |