| |
|
| Half life: | 54.5 d 5 | |
| Jp: | 5- |
| Sn (keV): | 6756 17 |
| Sp (keV): | 4252 17 |
| Prod. mode: |
Charged particle reaction
|
| | |
| ENSDF citation: | NDS 59,393 (1990) |
| Literature cut-off date: | 31-Jul-1989 |
| Author(s): | L.K. Peker |
| References since cut-off: |
148Eu decay from 1989-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
|
| e+b+ | 100 | 3107 17 |
|
| a | 9.4E-7 2 8 | 2762 17 |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 148Eu (54.5 d 5)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 66.72 9 |
0.026 3 |
e+b+ |
| 92.6 5 |
0.019 10 |
e+b+ |
| 98.530 20 |
0.101 3 |
e+b+ |
| 116.01 4 |
0.150 4 |
e+b+ |
| 151.6 3 |
0.0115 14 |
e+b+ |
| 157.8 5 |
0.010 5 |
e+b+ |
| 161.00 6 |
0.0288 14 |
e+b+ |
| 166.15 3 |
0.0676 22 |
e+b+ |
| 182.83 3 |
0.15 3 |
e+b+ |
| 189.721 16 |
0.178 4 |
e+b+ |
| 216.16 6 |
0.020 3 |
e+b+ |
| 216.16 6 |
0.029 3 |
e+b+ |
| 218.3 3 |
0.0079 14 |
e+b+ |
| 222.71 12 |
0.0230 22 |
e+b+ |
| 241.653 1 |
1.44 3 |
e+b+ |
| 243.83 4 |
0.324 10 |
e+b+ |
| 252.60 3 |
0.134 4 |
e+b+ |
| 255.35 13 |
0.0223 14 |
e+b+ |
| 279.30 5 |
0.084 4 |
e+b+ |
| 288.141 13 |
0.347 8 |
e+b+ |
| 291.3 3 |
0.0108 14 |
e+b+ |
| 296.21 7 |
0.055 3 |
e+b+ |
| 300.65 7 |
0.055 4 |
e+b+ |
| 308.45 10 |
0.075 7 |
e+b+ |
| 310.14 3 |
0.10 3 |
e+b+ |
| 310.14 10 |
0.148 3 |
e+b+ |
| 311.570 20 |
1.79 4 |
e+b+ |
| 319.270 20 |
0.155 4 |
e+b+ |
| 322.1 5 |
0.019 10 |
e+b+ |
| 332.91 13 |
0.0101 22 |
e+b+ |
| 356.47 15 |
0.012 3 |
e+b+ |
| 362.5 3 |
0.026 4 |
e+b+ |
| 377.560 20 |
0.16 4 |
e+b+ |
| 385.9 6 |
0.014 7 |
e+b+ |
| 414.028 12 |
10.3 3 |
e+b+ |
| 414.057 16 |
10.1 5 |
e+b+ |
| 423.5 4 |
0.038 9 |
e+b+ |
| 432.745 8 |
0.12 6 |
e+b+ |
| 432.745 8 |
2.83 9 |
e+b+ |
| 437.18 4 |
0.191 6 |
e+b+ |
| 441.23 14 |
0.0115 22 |
e+b+ |
| 446.52 6 |
0.040 3 |
e+b+ |
| 449 1 |
0.050 22 |
e+b+ |
| 455.30 15 |
0.027 3 |
e+b+ |
| 460.57 3 |
0.0187 22 |
e+b+ |
| 460.80 20 |
0.0187 22 |
e+b+ |
| 468.500 12 |
0.421 9 |
e+b+ |
| 474.2 4 |
0.005 3 |
e+b+ |
| 478.4 4 |
0.022 3 |
e+b+ |
| 480.89 8 |
0.094 4 |
e+b+ |
| 485.90 14 |
0.016 3 |
e+b+ |
| 486.5 |
0.016 3 |
e+b+ |
| 489.2 5 |
0.019 10 |
e+b+ |
| 493.51 10 |
0.047 6 |
e+b+ |
| 495.25 6 |
0.256 8 |
e+b+ |
| 495.28 10 |
0.047 20 |
e+b+ |
| 501.312 11 |
0.971 22 |
e+b+ |
| 504.57 7 |
0.138 5 |
e+b+ |
| 516.793 14 |
0.423 14 |
e+b+ |
| 532 1 |
0.019 10 |
e+b+ |
| 534.38 7 |
0.101 22 |
e+b+ |
| 539.1 5 |
0.010 5 |
e+b+ |
| 550.284 12 |
98.5 22 |
e+b+ |
| 553.231 14 |
12.9 22 |
e+b+ |
| 553.260 15 |
5.0 22 |
e+b+ |
| 571.962 7 |
9.56 22 |
e+b+ |
| 574 1 |
0.019 10 |
e+b+ |
| 575.97 10 |
0.046 5 |
e+b+ |
| 583.4 5 |
0.019 8 |
e+b+ |
| 587.52 6 |
0.117 4 |
e+b+ |
| 594.89 4 |
0.193 7 |
e+b+ |
| 599.81 3 |
0.344 7 |
e+b+ |
| 602.62 3 |
0.029 9 |
e+b+ |
| 602.62 3 |
0.30 |
e+b+ |
| 611.293 8 |
20.5 4 |
e+b+ |
| 620.04 20 |
0.20 4 |
e+b+ |
| 620.04 3 |
0.90 6 |
e+b+ |
| 629.987 8 |
71.9 16 |
e+b+ |
| 636.86 7 |
0.029 5 |
e+b+ |
| 643.90 20 |
0.0157 14 |
e+b+ |
| 646.9 5 |
0.010 5 |
e+b+ |
| 651.5 5 |
0.019 10 |
e+b+ |
| 654.220 5 |
1.62 4 |
e+b+ |
| 656.93 3 |
0.141 9 |
e+b+ |
| 662.79 5 |
0.100 4 |
e+b+ |
| 667.170 20 |
0.0669 14 |
e+b+ |
| 667.170 20 |
0.1057 14 |
e+b+ |
| 683.153 7 |
1.28 3 |
e+b+ |
| 690.74 3 |
0.122 3 |
e+b+ |
| 701.9 5 |
0.019 10 |
e+b+ |
| 704.4 3 |
0.019 5 |
e+b+ |
| 705.91 18 |
0.017 4 |
e+b+ |
| 714.769 13 |
1.72 4 |
e+b+ |
| 719.64 5 |
0.273 14 |
e+b+ |
| 725.673 9 |
12.7 3 |
e+b+ |
| 732.99 7 |
0.056 5 |
e+b+ |
| 735.00 5 |
0.032 17 |
e+b+ |
| 735.00 5 |
0.12 4 |
e+b+ |
| 736.90 20 |
0.021 5 |
e+b+ |
| 742.16 11 |
0.0244 22 |
e+b+ |
| 745.87 5 |
0.053 4 |
e+b+ |
| 756.581 12 |
0.304 7 |
e+b+ |
| 770.307 10 |
0.423 9 |
e+b+ |
| 774.2 5 |
0.010 4 |
e+b+ |
| 780.11 6 |
0.115 4 |
e+b+ |
| 787.98 18 |
0.027 4 |
e+b+ |
| 790.20 20 |
0.041 4 |
e+b+ |
| 792.59 6 |
0.118 5 |
e+b+ |
| 799.23 3 |
0.418 12 |
e+b+ |
| 810.12 4 |
0.0683 22 |
e+b+ |
| 817.5 5 |
0.010 5 |
e+b+ |
| 826.30 16 |
0.026 3 |
e+b+ |
| 828.61 12 |
0.035 3 |
e+b+ |
| 832.82 14 |
0.0244 14 |
e+b+ |
| 832.9 5 |
0.010 5 |
e+b+ |
| 851.4 5 |
0.015 7 |
e+b+ |
| 856.9 2 |
0.032 4 |
e+b+ |
| 859.90 20 |
0.035 4 |
e+b+ |
| 869.891 8 |
5.49 12 |
e+b+ |
| 895.847 10 |
0.647 14 |
e+b+ |
| 903.831 15 |
0.370 8 |
e+b+ |
| 906.87 3 |
0.208 5 |
e+b+ |
| 915.331 8 |
2.60 6 |
e+b+ |
| 924.75 3 |
0.315 8 |
e+b+ |
| 929.85 3 |
1.22 22 |
e+b+ |
| 930.807 19 |
1.4 3 |
e+b+ |
| 935.20 14 |
0.053 5 |
e+b+ |
| 938.10 9 |
0.116 5 |
e+b+ |
| 949.590 20 |
0.240 6 |
e+b+ |
| 961.4 5 |
0.010 5 |
e+b+ |
| 967.306 17 |
2.70 6 |
e+b+ |
| 976.50 4 |
0.0812 22 |
e+b+ |
| 979.843 15 |
0.214 5 |
e+b+ |
| 989.606 10 |
0.464 10 |
e+b+ |
| 1013.808 11 |
0.532 12 |
e+b+ |
| 1033.986 14 |
7.77 14 |
e+b+ |
| 1036 1 |
0.0079 14 |
e+b+ |
| 1047.57 2 |
0.05 3 |
e+b+ |
| 1047.570 20 |
0.188 5 |
e+b+ |
| 1058.7 5 |
0.010 5 |
e+b+ |
| 1066.75 3 |
0.390 9 |
e+b+ |
| 1068.25 10 |
0.093 8 |
e+b+ |
| 1069.82 4 |
0.219 7 |
e+b+ |
| 1082.096 17 |
0.189 4 |
e+b+ |
| 1089.154 18 |
0.205 5 |
e+b+ |
| 1097.18 3 |
0.124 4 |
e+b+ |
| 1104.321 16 |
0.367 8 |
e+b+ |
| 1107.67 3 |
0.130 4 |
e+b+ |
| 1110.6 5 |
0.010 5 |
e+b+ |
| 1113.92 3 |
0.137 4 |
e+b+ |
| 1121.91 13 |
0.0209 22 |
e+b+ |
| 1127.69 4 |
0.084 3 |
e+b+ |
| 1133.12 8 |
0.0467 22 |
e+b+ |
| 1138.4 5 |
0.0014 4 |
e+b+ |
| 1139.6 5 |
0.019 5 |
e+b+ |
| 1146.805 14 |
1.96 4 |
e+b+ |
| 1151.3 4 |
0.019 10 |
e+b+ |
| 1165.54 5 |
0.081 3 |
e+b+ |
| 1183.208 16 |
1.66 4 |
e+b+ |
| 1194.185 17 |
0.128 3 |
e+b+ |
| 1201.3 5 |
0.010 5 |
e+b+ |
| 1207.473 14 |
0.630 14 |
e+b+ |
| 1219.01 9 |
0.050 4 |
e+b+ |
| 1221.37 4 |
0.137 5 |
e+b+ |
| 1229.6 5 |
0.010 5 |
e+b+ |
| 1236.374 16 |
0.408 9 |
e+b+ |
| 1266.76 5 |
0.145 4 |
e+b+ |
| 1269.3 4 |
0.014 3 |
e+b+ |
| 1309.778 16 |
0.475 11 |
e+b+ |
| 1328.504 15 |
1.32 3 |
e+b+ |
| 1343.87 3 |
1.69 14 |
e+b+ |
| 1344.740 23 |
1.89 16 |
e+b+ |
| 1353.550 20 |
0.626 14 |
e+b+ |
| 1362.640 19 |
0.596 14 |
e+b+ |
| 1370.97 17 |
0.0194 14 |
e+b+ |
| 1377.4 5 |
0.010 5 |
e+b+ |
| 1390.44 14 |
0.0098 12 |
e+b+ |
| 1409.16 2 |
0.141 4 |
e+b+ |
| 1419.6 5 |
0.050 19 |
e+b+ |
| 1422.21 18 |
0.0134 12 |
e+b+ |
| 1454.110 20 |
0.369 9 |
e+b+ |
| 1460.630 19 |
1.16 3 |
e+b+ |
| 1465.12 3 |
0.016 5 |
e+b+ |
| 1492.81 4 |
0.099 3 |
e+b+ |
| 1503.200 2 |
0.186 4 |
e+b+ |
| 1511.49 7 |
0.042 3 |
e+b+ |
| 1513.9 4 |
0.0086 22 |
e+b+ |
| 1521.85 3 |
0.153 4 |
e+b+ |
| 1533.10 20 |
0.032 3 |
e+b+ |
| 1535.84 10 |
0.091 4 |
e+b+ |
| 1540.27 1 |
0.080 8 |
e+b+ |
| 1543.289 27 |
0.741 22 |
e+b+ |
| 1547.14 10 |
0.088 14 |
e+b+ |
| 1560.786 17 |
0.841 22 |
e+b+ |
| 1565.29 11 |
0.0316 14 |
e+b+ |
| 1572.90 20 |
0.0114 10 |
e+b+ |
| 1621.510 20 |
4.64 11 |
e+b+ |
| 1635.31 3 |
0.159 4 |
e+b+ |
| 1650.436 24 |
3.71 12 |
e+b+ |
| 1654.02 15 |
0.117 14 |
e+b+ |
| 1664.20 4 |
0.0705 22 |
e+b+ |
| 1677.85 3 |
0.425 14 |
e+b+ |
| 1680.90 15 |
0.029 4 |
e+b+ |
| 1699.54 6 |
0.0153 6 |
e+b+ |
| 1703.2 10 |
|
e+b+ |
| 1748.58 10 |
0.0344 11 |
e+b+ |
| 1776.87 4 |
0.0654 22 |
e+b+ |
| 1788.91 18 |
0.0056 6 |
e+b+ |
| 1840.06 8 |
0.0170 11 |
e+b+ |
| 1843.5 5 |
0.019 10 |
e+b+ |
| 1917.50 16 |
0.0021 4 |
e+b+ |
| 1939.17 4 |
0.0690 22 |
e+b+ |
| 1973.81 4 |
0.0532 14 |
e+b+ |
| 2122.75 8 |
0.0137 6 |
e+b+ |
| 2163.39 20 |
0.0055 6 |
e+b+ |
| 2173.28 4 |
0.231 6 |
e+b+ |
|
X-rays from 148Eu (54.5 d 5)
|
| E (keV) |
I (%) | Assignment |
|
| 4.993 |
0.226 23 |
Sm Ll |
| 5.589 |
0.084 6 |
Sm Lh |
| 5.610 |
0.60 4 |
Sm La2 |
| 5.636 |
5.4 4 |
Sm La1 |
| 6.196 |
0.34 5 |
Sm Lb4 |
| 6.206 |
3.4 3 |
Sm Lb1 |
| 6.317 |
0.57 9 |
Sm Lb3 |
| 6.371 |
0.051 3 |
Sm Lb6 |
| 6.587 |
1.15 8 |
Sm Lb2 |
| 7.183 |
0.56 5 |
Sm Lg1 |
| 7.471 |
0.105 17 |
Sm Lg2 |
| 7.489 |
0.149 24 |
Sm Lg3 |
| 39.097 |
0.00589 22 |
Sm Ka3 |
| 39.522 |
23.2 7 |
Sm Ka2 |
| 40.118 |
42.1 13 |
Sm Ka1 |
| 45.294 |
4.11 12 |
Sm Kb3 |
| 45.414 |
7.96 24 |
Sm Kb1 |
| 45.741 |
0.118 5 |
Sm Kb5 |
| 46.578 |
2.63 8 |
Sm Kb2 |
| 46.705 |
0.99 5 |
Sm Kb4 |
Betas from 148Eu (54.5 d 5)
|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|
| 178.16 |
0.0344 13 |
e |
| 245.88 |
0.275 6 |
e |
| 276.31 |
7.0 2 |
e |
| 291.41 |
0.627 16 |
e |
| 305.24 |
8.4 2 |
e |
| 372.6 |
0.025 3 |
e |
| 379.68 |
0.192 8 |
e |
| 383.49 |
1.33 3 |
e |
| 390.97 |
0.26 5 |
e |
| 393.66 |
0.285 9 |
e |
| 405.05 |
0.211 9 |
e |
| 408.39 |
0.90 2 |
e |
| 423.56 |
0.600 13 |
e |
| 433.94 |
0.23 1 |
e |
| 466.12 |
1.17 6 |
e |
| 523.11 |
0.480 14 |
e |
| 536.28 |
0.245 7 |
e |
| 574.55 |
0.042 8 |
e |
| 582.87 |
3.3 4 |
e |
| 616.95 |
2.40 6 |
e |
| 716.6 |
0.051 12 |
e |
| 732.58 |
0.67 2 |
e |
| 779.92 |
2.25 4 |
e |
| 788.5 |
0.020 5 |
e |
| 878.93 |
0.27 7 |
e |
| 892.73 |
9.5 2 |
e |
| 904.74 |
0.14 7 |
b+ |
| 912.93 |
1.42 5 |
e |
| 959.45 |
18 2 |
e |
| 995.94 |
3.1 2 |
e |
| 1011.41 |
3.47 8 |
e |
| 1075.56 |
4.3 1 |
e |
| 1201.08 |
10.7 3 |
e |
| 1211.99 |
3.1 3 |
e |
| 1373.51 |
11.8 19 |
e |
| 1926.74 |
5.0 24 |
e |
Alphas from 148Eu (54.5 d 5)
|
| Ea (keV) |
Ia (%) |
|
| 2630 30 |
100 |
|
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