|
|
Half life: | 15.18 h 3 | |
Jp: | 5/2+ |
Sn (keV): | 7449 8 |
Sp (keV): | 7388 11 |
Prod. mode: |
Fission product Fast neutron activation
|
| |
ENSDF citation: | NDS 78,219 (1996) |
Literature cut-off date: | 1-Mar-1996 |
Author(s): | R.G. Helmer |
References since cut-off: |
157Eu decay from 1996-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
References |
b- | 100 | 1363 6 |
86GrZS |
|
Data sets: |
Mode | Data set name | Display data |
|
Gammas from 157Eu (15.18 h 3)
|
Eg (keV) |
Ig (%) | Decay mode |
|
9.365 12 |
1.64 24 |
b- |
14.7 |
|
b- |
39.7 |
|
b- |
51.834 14 |
0.75 8 |
b- |
54.548 9 |
3.7 3 |
b- |
63.929 8 |
23.0 23 |
b- |
64.4 2 |
0.13 7 |
b- |
66.5 |
|
b- |
76.925 14 |
0.20 3 |
b- |
95.8 1 |
0.011 6 |
b- |
116.314 28 |
0.040 10 |
b- |
129.5 2 |
0.012 7 |
b- |
131.438 16 |
0.056 14 |
b- |
133.3 |
|
b- |
152.8 |
|
b- |
158.41 3 |
0.024 7 |
b- |
160.0 |
|
b- |
161.820 13 |
0.085 17 |
b- |
163.7 2 |
0.008 4 |
b- |
181.8 |
|
b- |
188.6 |
|
b- |
208.621 11 |
0.147 14 |
b- |
209.0 2 |
0.017 9 |
b- |
212.050 25 |
0.061 9 |
b- |
223.8 |
|
b- |
226.63 3 |
0.037 8 |
b- |
237.9 2 |
0.015 8 |
b- |
246.5 2 |
0.008 4 |
b- |
252.3 2 |
0.044 22 |
b- |
276.86 5 |
0.041 8 |
b- |
288.023 19 |
0.096 14 |
b- |
291.69 7 |
0.022 6 |
b- |
302.994 28 |
0.067 10 |
b- |
317.1 |
|
b- |
318.710 8 |
2.89 14 |
b- |
328.3 2 |
0.022 11 |
b- |
334.441 10 |
0.83 6 |
b- |
339.3 2 |
0.017 9 |
b- |
342.0 |
|
b- |
344.61 6 |
0.035 7 |
b- |
358.931 15 |
0.30 3 |
b- |
370.509 8 |
11.0 6 |
b- |
379.905 9 |
0.26 3 |
b- |
383.17 3 |
0.070 11 |
b- |
385.5 |
|
b- |
393.408 20 |
0.122 12 |
b- |
398.953 9 |
1.32 7 |
b- |
409.135 10 |
2.67 13 |
b- |
410.723 9 |
17.5 9 |
b- |
420.090 9 |
0.92 7 |
b- |
427.355 15 |
0.160 15 |
b- |
434.388 13 |
0.35 3 |
b- |
449.4 |
|
b- |
450.761 10 |
1.22 9 |
b- |
454.3 |
|
b- |
460.923 9 |
0.97 7 |
b- |
470.389 26 |
0.198 20 |
b- |
474.625 11 |
2.52 12 |
b- |
479.2 |
|
b- |
491.89 3 |
0.090 13 |
b- |
498.9 |
|
b- |
506.43 3 |
0.081 12 |
b- |
524.835 18 |
0.30 3 |
b- |
543.93 6 |
0.033 7 |
b- |
553.02 7 |
0.035 7 |
b- |
555.23 12 |
0.034 7 |
b- |
560.3 |
|
b- |
567.58 4 |
0.145 14 |
b- |
570.937 13 |
1.56 8 |
b- |
575.8 |
|
b- |
585.46 20 |
0.018 6 |
b- |
591.097 19 |
0.157 15 |
b- |
607.1 2 |
0.046 23 |
b- |
613.73 14 |
0.017 6 |
b- |
619.303 12 |
3.55 18 |
b- |
622.751 13 |
0.97 7 |
b- |
625.6 2 |
0.014 4 |
b- |
628.704 28 |
0.099 15 |
b- |
630.4 |
|
b- |
632.23 5 |
0.046 9 |
b- |
635.75 9 |
0.046 9 |
b- |
655.592 28 |
0.185 19 |
b- |
657.1 |
|
b- |
668.5 2 |
0.012 3 |
b- |
674.59 18 |
0.017 6 |
b- |
682.60 6 |
0.077 22 |
b- |
683.162 27 |
0.23 4 |
b- |
685.2 2 |
0.047 24 |
b- |
687.502 13 |
1.18 12 |
b- |
696.94 4 |
0.071 8 |
b- |
698.62 5 |
0.063 7 |
b- |
700.856 16 |
0.29 3 |
b- |
702.4 |
|
b- |
707.46 9 |
0.046 7 |
b- |
716.92 10 |
0.028 7 |
b- |
728.5 4 |
0.022 6 |
b- |
732.5 |
|
b- |
739.34 12 |
0.018 6 |
b- |
747.8 |
|
b- |
750.8 6 |
0.129 13 |
b- |
752.61 4 |
0.254 25 |
b- |
754.8 3 |
0.024 8 |
b- |
760.5 |
|
b- |
762.69 3 |
0.36 6 |
b- |
762.7 6 |
~0.033 |
b- |
803.65 16 |
0.018 6 |
b- |
811.6 |
|
b- |
814.17 12 |
0.022 7 |
b- |
816.64 4 |
0.070 11 |
b- |
836.23 14 |
0.013 4 |
b- |
846.78 15 |
0.033 11 |
b- |
865.05 20 |
0.020 6 |
b- |
932.6 4 |
0.020 6 |
b- |
934.24 8 |
0.039 10 |
b- |
944.21 10 |
0.032 10 |
b- |
969.19 9 |
0.011 4 |
b- |
985.69 4 |
0.143 14 |
b- |
996.38 12 |
0.030 9 |
b- |
1017.6 |
|
b- |
1051.57 15 |
0.025 8 |
b- |
1060.06 10 |
0.028 9 |
b- |
1115.53 15 |
0.019 6 |
b- |
1167.38 12 |
0.046 11 |
b- |
|
X-rays from 157Eu (15.18 h 3)
|
E (keV) |
I (%) | Assignment |
|
5.362 |
0.31 4 |
Gd Ll |
6.026 |
0.81 9 |
Gd La2 |
6.050 |
0.112 13 |
Gd Lh |
6.058 |
7.3 8 |
Gd La1 |
6.687 |
0.36 6 |
Gd Lb4 |
6.713 |
4.8 5 |
Gd Lb1 |
6.832 |
0.60 10 |
Gd Lb3 |
6.867 |
0.072 8 |
Gd Lb6 |
7.102 |
1.53 17 |
Gd Lb2 |
7.243 |
0.0125 13 |
Gd Lb5 |
7.790 |
0.81 9 |
Gd Lg1 |
7.930 |
0.0067 9 |
Gd Lg6 |
8.087 |
0.115 20 |
Gd Lg2 |
8.105 |
0.16 3 |
Gd Lg3 |
41.864 |
0.0054 4 |
Gd Ka3 |
42.309 |
17.6 11 |
Gd Ka2 |
42.996 |
31.7 20 |
Gd Ka1 |
48.551 |
3.15 20 |
Gd Kb3 |
48.695 |
6.1 4 |
Gd Kb1 |
49.038 |
0.096 7 |
Gd Kb5 |
49.959 |
2.04 13 |
Gd Kb2 |
50.099 |
0.79 6 |
Gd Kb4 |
Betas from 157Eu (15.18 h 3)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
611,57 |
2 |
b- |
676,33 |
3.0 |
b- |
679,77 |
4 |
b- |
838,15 |
4 |
b- |
848,33 |
3.0 |
b- |
888,37 |
22 1 |
b- |
928,57 |
15 1 |
b- |
1299,08 |
48 9 |
b- |
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