CH Isotope Table
Thermal Neutron Capture Gammas
https://www.nndc.bnl.gov/capgam/indexbyn.html
Sodium & Iodine (NaI Detector)
Isotope Name | Natural Abundance (%) | Thermal Neutron Cross Section (Barnes) | Half Life | Capture Gamma Lines (int > %) | |
---|---|---|---|---|---|
Energy (KeV) | Intensity | ||||
23Na | 100% | 0.517 b ± 0.004 b | 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) | 100% | 6.15 b ± 0.06 b | 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 | 0% | 30.3 b ± 1.2 b | 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 |
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Shielding
Isotope Name | Natural Abundance (%) | Thermal Neutron Cross Section (Barnes) | Half Life | Capture Gamma Lines (int > %) | |
---|---|---|---|---|---|
Energy (KeV) | Intensity | ||||
27Al | 0.231 b ± 0.003 b | 100% | 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 | 0.305 b ± 0.016 b | 19.9% | 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 | Natural Abundance (%) | Half Life | Capture Gamma Lines (int > %) | |
---|---|---|---|---|
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 (2.18) | Stable | 86.55 | 100.00 | |
105.309 | 52.593 | |||
163.311 | 15.185 | |||
5820.3 | 17.037 | |||
155Gd (14.8) | 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 (20.47) | Stable | 410.75 | 16.83 | |
4745.8 | 16.237 | |||
5550.77 | 19.57 | |||
5566.29 | 29.785 | |||
6359.82 | 100 | |||
157Gd (15.65) | 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 (24.84) | 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 (21.86) | >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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