Contained here are the capture branching ratios used in the PWR Spectrum ENDF/B-VII chain and the simplified CASL chain. These are are identical to
Serpent default isomeric branching ratios
| Target | Fraction to ground | Fraction to metastable |
|---|---|---|
| Parent | ||
| Na23 | 0.2320 | 0.7680 |
| Cl37 | 0.8809 | 0.1191 |
| Sc45 | 0.5560 | 0.4440 |
| Co59 | 0.4440 | 0.5560 |
| Ge72 | 0.5012 | 0.4988 |
| Ge74 | 0.6660 | 0.3340 |
| Ge76 | 0.4005 | 0.5995 |
| Se76 | 0.7409 | 0.2591 |
| Se78 | 0.1178 | 0.8822 |
| Se80 | 0.8454 | 0.1546 |
| Se82 | 0.1402 | 0.8598 |
| Br79 | 0.7687 | 0.2313 |
| Br81 | 0.0914 | 0.9086 |
| Kr78 | 0.9704 | 0.0296 |
| Kr80 | 0.6031 | 0.3969 |
| Kr82 | 0.3330 | 0.6670 |
| Kr84 | 0.1839 | 0.8161 |
| Rb85 | 0.8791 | 0.1209 |
| Sr84 | 0.2530 | 0.7470 |
| Sr86 | 0.1988 | 0.8012 |
| Y89 | 0.9979 | 0.0021 |
| Y90 | 0.7496 | 0.2504 |
| Nb93 | 0.3101 | 0.6899 |
| Nb94 | 0.9610 | 0.0390 |
| Mo92 | 0.9978 | 0.0022 |
| Rh103 | 0.9240 | 0.0760 |
| Rh105 | 0.9040 | 0.0960 |
| Pd106 | 0.9527 | 0.0473 |
| Pd108 | 0.9779 | 0.0221 |
| Pd110 | 0.8500 | 0.1500 |
| Ag107 | 0.9898 | 0.0102 |
| Ag109 | 0.9540 | 0.0460 |
| Cd110 | 0.9945 | 0.0055 |
| Cd112 | 0.8685 | 0.1315 |
| Cd114 | 0.8812 | 0.1188 |
| Cd116 | 0.6660 | 0.3340 |
| In113 | 0.4191 | 0.5809 |
| Sn112 | 0.7253 | 0.2747 |
| Sn116 | 0.9568 | 0.0432 |
| Sn118 | 0.9794 | 0.0206 |
| Sn120 | 0.9875 | 0.0125 |
| Sn122 | 0.0112 | 0.9888 |
| Sn124 | 0.0375 | 0.9625 |
| Sn126 | 0.3018 | 0.6982 |
| Sb121 | 0.9369 | 0.0631 |
| Te120 | 0.8871 | 0.1129 |
| Te122 | 0.6448 | 0.3552 |
| Te124 | 0.9912 | 0.0088 |
| Te126 | 0.8689 | 0.1311 |
| Te128 | 0.9245 | 0.0755 |
| Te130 | 0.8559 | 0.1441 |
| Te132 | 0.8517 | 0.1483 |
| I129 | 0.4130 | 0.5870 |
| I131 | 0.9839 | 0.0161 |
| Xe124 | 0.8300 | 0.1700 |
| Xe126 | 0.8691 | 0.1309 |
| Xe128 | 0.8923 | 0.1077 |
| Xe130 | 0.9164 | 0.0836 |
| Xe132 | 0.8867 | 0.1133 |
| Xe133 | 0.9600 | 0.0400 |
| Xe134 | 0.9853 | 0.0147 |
| Cs133 | 0.9070 | 0.0930 |
| Cs134 | 0.9960 | 0.0040 |
| Cs135 | 0.9840 | 0.0160 |
| Cs137 | 0.9021 | 0.0979 |
| Ba130 | 0.8871 | 0.1129 |
| Ba132 | 0.9175 | 0.0825 |
| Ba134 | 0.9263 | 0.0737 |
| Ba135 | 0.9978 | 0.0022 |
| Ba136 | 0.9731 | 0.0269 |
| Ce136 | 0.8662 | 0.1338 |
| Ce138 | 0.9787 | 0.0213 |
| Pr141 | 0.6519 | 0.3481 |
| Pr143 | 0.3100 | 0.6900 |
| Pm147 | 0.5330 | 0.4670 |
| Eu153 | 0.9840 | 0.0160 |
| Dy164 | 0.3700 | 0.6300 |
| Ho165 | 0.9490 | 0.0510 |
| Er166 | 0.2503 | 0.7497 |
| Lu175 | 0.3331 | 0.6669 |
| Lu176 | 0.9990 | 0.0010 |
| Hf179 | 0.9910 | 0.0090 |
| W182 | 0.8699 | 0.1301 |
| W184 | 0.9983 | 0.0017 |
| Re185 | 0.9990 | 0.0010 |
| Re187 | 0.9729 | 0.0271 |
| Au197 | 0.9990 | 0.0010 |
| Hg196 | 0.9660 | 0.0340 |
| Hg198 | 0.9918 | 0.0082 |
| Pb206 | 0.9783 | 0.0217 |
| Bi209 | 0.6791 | 0.3209 |
| Pa233 | 0.4871 | 0.5129 |
| U234 | 0.5000 | 0.5000 |
| Np235 | 0.4000 | 0.6000 |
| Np239 | 0.3573 | 0.6427 |
| Pu236 | 0.5001 | 0.4999 |
| Am241 | 0.9190 | 0.0810 |
| Am243 | 0.0626 | 0.9374 |
| Bk247 | 0.4000 | 0.6000 |
| Es253 | 0.0320 | 0.9680 |
| Es255 | 0.9840 | 0.0160 |