| |
|
|---|
| Half life: | 71 y 7 | |
|---|
| Jp: | 3/2+ |
|---|
| Sn (keV): | 8744 4 |
|---|
| Sp (keV): | 5517.6 3 |
|---|
| Prod. mode: |
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 78,219 (1996) |
|---|
| Literature cut-off date: | 1-Mar-1996 |
|---|
| Author(s): | R.G. Helmer |
|---|
| References since cut-off: |
157Tb decay from 1996-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| e | 100 | 60.1 3 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 157Tb (71 y 7)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 54.548 9 |
0.0084 8 |
e |
|
X-rays from 157Tb (71 y 7)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 5.362 |
0.136 17 |
Gd Ll |
| 6.026 |
0.36 3 |
Gd La2 |
| 6.050 |
0.057 4 |
Gd Lh |
| 6.058 |
3.2 3 |
Gd La1 |
| 6.687 |
1.38 21 |
Gd Lb4 |
| 6.713 |
2.43 19 |
Gd Lb1 |
| 6.832 |
2.3 4 |
Gd Lb3 |
| 6.867 |
0.032 3 |
Gd Lb6 |
| 7.102 |
0.67 7 |
Gd Lb2 |
| 7.243 |
0.0055 5 |
Gd Lb5 |
| 7.790 |
0.41 3 |
Gd Lg1 |
| 7.930 |
0.0034 4 |
Gd Lg6 |
| 8.087 |
0.44 7 |
Gd Lg2 |
| 8.105 |
0.61 10 |
Gd Lg3 |
| 41.864 |
0.00129 5 |
Gd Ka3 |
| 42.309 |
4.20 12 |
Gd Ka2 |
| 42.996 |
7.58 22 |
Gd Ka1 |
| 48.551 |
0.751 22 |
Gd Kb3 |
| 48.695 |
1.45 4 |
Gd Kb1 |
| 49.038 |
0.0229 10 |
Gd Kb5 |
| 49.959 |
0.486 14 |
Gd Kb2 |
| 50.099 |
0.188 9 |
Gd Kb4 |
Betas from 157Tb (71 y 7)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 5.57 |
0.11 1 |
e |
| 60.1 |
99.89 1 |
e |
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