CH Isotope Table
Thermal Neutron Capture Gammas
https://www.nndc.bnl.gov/capgam/indexbyn.html
Sodium & Iodine (NaI Detector)
| Isotope Name | Half Life | Capture Gamma Lines (int > %) | |
|---|---|---|---|
| Energy (KeV) | Intensity | ||
| 23Na | Stable | 90.99 | 49.27 |
| 472.20 | 100.00 | ||
| 869.23 | 22.59 | ||
| 874.40 | 15.89 | ||
| 1636.27 | 5.24 | ||
| 2025.09 | 6.85 | ||
| 2208.40 | 5.72 | ||
| 2414.45 | 5.32 | ||
| 2517.71 | 15.20 | ||
| 2752.22 | 13.67 | ||
| 3587.40 | 12.48 | ||
| 127I (secondary) | Stable | 27.36 | 23.03 |
| 52.378 | 11.727 | ||
| 58.107 | 19.829 | ||
| 67.118 | 7.207 | ||
| 124.2804 | 12.623 | ||
| 133.6106 | 100 | ||
| 142.1371 | 9.638 | ||
| 147.104 | 6.802 | ||
| 153.011 | 12.516 | ||
| 156.506 | 6.269 | ||
| 160.756 | 10.554 | ||
| 193.5634 | 6.78 | ||
| 248.742 | 7.441 | ||
| 301.897 | 11.834 | ||
| 344.757 | 5.352 | ||
| 420.843 | 7.143 | ||
| 129I | 1.57 x 107 years | 69.59 | 18.57 |
| 85.1104 | 8.286 | ||
| 159.9921 | 6.286 | ||
| 184.9756 | 9.143 | ||
| 309.794 | 7.186 | ||
| ||
|-
Shielding
| Isotope Name | Half Life | Capture Gamma Lines (int > 5%) | |
|---|---|---|---|
| Energy (KeV) | Intensity | ||
| 27Al | Stable | 30.64 | 100.00 |
| 983.018 | 15.771 | ||
| 1013.676 | 9.677 | ||
| 1408.3 | 11.111 | ||
| 1526.17 | 6.452 | ||
| 1589.72 | 5.735 | ||
| 1622.87 | 16.487 | ||
| 2108.24 | 10.0358 | ||
| 2138.828 | 7.885 | ||
| 2271.65 | 7.527 | ||
| 2282.773 | 16.846 | ||
| 2577.725 | 7.885 | ||
| 2590.244 | 14.516 | ||
| 2821.461 | 13.978 | ||
| 3033.893 | 31.183 | ||
| 3465.067 | 25.305 | ||
| 3591.211 | 16.846 | ||
| 10B | Stable | 2296.63 | 13.57 |
| 2533.4 | 21.494 | ||
| 4444.03 | 100 | ||
| 4711.18 | 39.0244 | ||
| 6739.53 | 28.963 | ||
| 7006.75 | 84.299 | ||
| 12C | Stable | 1261.76 | 47.96 |
| 3683.921 | 47.636 | ||
| 4945.301 | 100 | ||
| 13C | Stable | 495.40 | 9.52 |
| 1273.81 | 5.833 | ||
| 1586.92 | 10.119 | ||
| 1H | Stable | 2223.25 | 100.00 |
Converter
| Isotope Name(Abundance) | Half Life | Capture Gamma Lines (int > 15%) | |
|---|---|---|---|
| Energy (KeV) | Intensity | ||
| 152Gd (0.2%) | 1.08×1014 y | 41.56 | 87.27 |
| 51.7842 | 15.818 | ||
| 87.608 | 29.636 | ||
| 88.2962 | 19.273 | ||
| 109.7601 | 100 | ||
| 141.914 | 42 | ||
| 166.908 | 15.145 | ||
| 174.436 | 19.636 | ||
| 183.467 | 32 | ||
| 186.857 | 16 | ||
| 195.182 | 16.727 | ||
| 206.2667 | 18.909 | ||
| 212.004 | 38.545 | ||
| 249.546 | 43.818 | ||
| 315.077 | 16.727 | ||
| 315.199 | 50.727 | ||
| 316.026 | 42.364 | ||
| 320.089 | 27.455 | ||
| 327.844 | 28 | ||
| 361.629 | 20.727 | ||
| 371.33 | 17.455 | ||
| 436.266 | 35.273 | ||
| 467.1 | 23.818 | ||
| 500.483 | 15.545 | ||
| 530.453 | 16.727 | ||
| 153Gd | 240.4 d | 123.07 | 100.00 |
| 247.92 | 46.145 | ||
| 692.41 | 19.818 | ||
| 873.18 | 15.236 | ||
| 154Gd | Stable | 86.55 | 100.00 |
| 105.309 | 52.593 | ||
| 163.311 | 15.185 | ||
| 5820.3 | 17.037 | ||
| 155Gd | Stable | 88.97 | 66.14 |
| 199.218994 | 100 | ||
| 1065.1781 | 17.848 | ||
| 1154.14673 | 15.823 | ||
| 1159.031 | 21.519 | ||
| 1230.6857 | 17.595 | ||
| 156Gd | Stable | 410.75 | 16.83 |
| 4745.8 | 16.237 | ||
| 5550.77 | 19.57 | ||
| 5566.29 | 29.785 | ||
| 6359.82 | 100 | ||
| 157Gd | Stable | 79.51 | 53.18 |
| 181.943 | 100 | ||
| 897.506 | 17.846 | ||
| 897.62 | 16 | ||
| 944.181 | 46.667 | ||
| 962.122 | 29.744 | ||
| 977.144 | 21.0769 | ||
| 1107.67 | 24.615 | ||
| 1119.2 | 17.0256 | ||
| 1186.002 | 23.333 | ||
| 1187.136 | 20.564 | ||
| 6750 | 15.08 | ||
| 158Gd | Stable | 95.69 | 50.00 |
| 146.324 | 27.692 | ||
| 466.618 | 27.5 | ||
| 507.639 | 71.154 | ||
| 507.727 | 100 | ||
| 524.77 | 18.269 | ||
| 537.86 | 26.538 | ||
| 551.385 | 40 | ||
| 558.195 | 51.923 | ||
| 596.066 | 15.192 | ||
| 601.969 | 82.692 | ||
| 646.75 | 25.577 | ||
| 676.512 | 32.885 | ||
| 700.16 | 19.231 | ||
| 713.649 | 18.654 | ||
| 781.56 | 18.654 | ||
| 790.9 | 29.231 | ||
| 933.08 | 23.0769 | ||
| 963.85 | 23.0769 | ||
| 1000.51 | 15.769 | ||
| 1028.62 | 21.731 | ||
| 1061.63 | 31.538 | ||
| 1078.57 | 19.231 | ||
| 1095.18 | 16.154 | ||
| 1128.47 | 22.308 | ||
| 1139.9 | 37.115 | ||
| 4802 | 23.08 | ||
| 5385 | 16.54 | ||
| 5434 | 30.77 | ||
| 5942 | 86.54 | ||
| 160Gd | >3.1×1019 y | 394.70 | 91.49 |
| 469 | 91.49 | ||
| 804.3 | 16.81 | ||
| 1273 | 21.28 | ||
| 1490 | 29.79 | ||
| 3712 | 15.11 | ||
| 3787 | 23.4 | ||
| 4227 | 19.36 | ||
| 4255 | 21.28 | ||
| 4298 | 34.04 | ||
| 4324 | 20.85 | ||
| 5280 | 100 | ||
| 5321 | 18.51 | ||
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