| |
|
|---|
| Half life: | 18.1 m 1 | |
|---|
| Jp: | 5/2+ |
|---|
| Sn (keV): | 6914 77 |
|---|
| Sp (keV): | 8131 79 |
|---|
| Prod. mode: |
Fission product
Photon reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 72,83 (1994) |
|---|
| Literature cut-off date: | 1-Mar-1994 |
|---|
| Author(s): | R.G. Helmer |
|---|
| References since cut-off: |
159Eu decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 2514 8 |
69Ke10 |
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 159Eu (18.1 m 1)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 17.1 |
1.59 16 |
b- |
| 50.7 4 |
|
b- |
| 51 |
|
b- |
| 67.8 1 |
19 4 |
b- |
| 71.4 2 |
1.1 3 |
b- |
| 78.6 1 |
9.1 16 |
b- |
| 80.4 4 |
1.2 3 |
b- |
| 90.4 2 |
0.62 10 |
b- |
| 95.7 1 |
7.0 8 |
b- |
| 102.5 2 |
0.65 7 |
b- |
| 105.5 2 |
0.71 7 |
b- |
| 108.8 3 |
0.28 4 |
b- |
| 118 2 |
|
b- |
| 121.9 2 |
0.39 7 |
b- |
| 146.4 1 |
3.3 |
b- |
| 159.8 2 |
1.36 10 |
b- |
| 176.9 1 |
1.30 7 |
b- |
| 227.5 3 |
1.6 5 |
b- |
| 498.2 7 |
0.32 10 |
b- |
| 521.4 7 |
0.16 7 |
b- |
| 551.3 3 |
0.39 3 |
b- |
| 575.5 4 |
0.26 3 |
b- |
| 588.6 3 |
0.39 7 |
b- |
| 596.0 4 |
0.32 7 |
b- |
| 602.2 2 |
0.88 7 |
b- |
| 613.4 2 |
1.27 10 |
b- |
| 645.7 3 |
0.36 3 |
b- |
| 659.5 1 |
1.33 10 |
b- |
| 664.9 1 |
3.05 16 |
b- |
| 676.6 1 |
1.89 10 |
b- |
| 681.9 1 |
2.31 13 |
b- |
| 693.8 3 |
0.49 3 |
b- |
| 720.4 5 |
0.16 3 |
b- |
| 726.5 3 |
0.65 7 |
b- |
| 733.1 4 |
0.24 5 |
b- |
| 744.3 2 |
0.91 7 |
b- |
| 753.9 2 |
0.91 7 |
b- |
| 763.1 3 |
0.32 3 |
b- |
| 804.7 2 |
2.57 16 |
b- |
| 829.7 3 |
0.55 7 |
b- |
| 871.4 5 |
0.21 3 |
b- |
| 880.8 3 |
0.32 3 |
b- |
| 915.7 6 |
0.16 3 |
b- |
| 936.1 5 |
0.29 7 |
b- |
| 1015 1 |
0.49 16 |
b- |
| 1038.2 7 |
0.19 3 |
b- |
| 1043.7 4 |
0.52 7 |
b- |
| 1060.4 4 |
0.29 3 |
b- |
| 1078.4 4 |
0.26 3 |
b- |
| 1094.8 2 |
1.20 10 |
b- |
| 1109 1 |
0.26 10 |
b- |
| 1128.4 3 |
0.52 7 |
b- |
| 1159.4 5 |
0.062 10 |
b- |
| 1181.6 10 |
0.11 3 |
b- |
| 1220.7 4 |
0.19 3 |
b- |
| 1301.5 3 |
0.32 3 |
b- |
| 1350.8 5 |
0.120 19 |
b- |
| 1433.7 5 |
0.24 5 |
b- |
| 1451.6 5 |
0.19 3 |
b- |
| 1468.6 4 |
0.29 3 |
b- |
| 1520.0 2 |
0.65 7 |
b- |
|
X-rays from 159Eu (18.1 m 1)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 5.362 |
0.29 11 |
Gd Ll |
| 6.026 |
0.8 3 |
Gd La2 |
| 6.050 |
0.10 4 |
Gd Lh |
| 6.058 |
6.9 25 |
Gd La1 |
| 6.687 |
0.40 16 |
Gd Lb4 |
| 6.713 |
4.4 16 |
Gd Lb1 |
| 6.832 |
0.7 3 |
Gd Lb3 |
| 6.867 |
0.068 25 |
Gd Lb6 |
| 7.102 |
1.4 5 |
Gd Lb2 |
| 7.243 |
0.012 4 |
Gd Lb5 |
| 7.790 |
0.8 3 |
Gd Lg1 |
| 7.930 |
0.0062 23 |
Gd Lg6 |
| 8.087 |
0.13 5 |
Gd Lg2 |
| 8.105 |
0.18 7 |
Gd Lg3 |
| 41.864 |
0.007 3 |
Gd Ka3 |
| 42.309 |
24 9 |
Gd Ka2 |
| 42.996 |
44 17 |
Gd Ka1 |
| 48.551 |
4.3 17 |
Gd Kb3 |
| 48.695 |
8 3 |
Gd Kb1 |
| 49.038 |
0.13 5 |
Gd Kb5 |
| 49.959 |
2.8 11 |
Gd Kb2 |
| 50.099 |
1.1 4 |
Gd Kb4 |
Betas from 159Eu (18.1 m 1)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 994,19 |
1.1 1 |
b- |
| 1162,2 |
0.4 |
b- |
| 1351,33 |
2.5 2 |
b- |
| 1385,48 |
1.1 1 |
b- |
| 1565,5 |
1.4 1 |
b- |
| 1641,3 |
4.7 2 |
b- |
| 1769,62 |
3.3 1 |
b- |
| 1781,41 |
6.6 2 |
b- |
| 1803,79 |
2.1 2 |
b- |
| 1911,87 |
1.3 8 |
b- |
| 2286,51 |
14 2 |
b- |
| 2301,7 |
2.3 6 |
b- |
| 2367,61 |
37 5 |
b- |
| 2392,07 |
5 3 |
b- |
| 2446,21 |
19 9 |
b- |
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