| |
|
|---|
| Half life: | 180 y 11 | |
|---|
| Jp: | 3- |
|---|
| Sn (keV): | 6777.4 9 |
|---|
| Sp (keV): | 5935.0 9 |
|---|
| Prod. mode: |
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 77,471 (1996) |
|---|
| Literature cut-off date: | 1-Oct-1995 |
|---|
| Author(s): | R.G. Helmer |
|---|
| References since cut-off: |
158Tb decay from 1995-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| e+b+ | 83.4 7 | 1220.0 9 |
|
| b- | 16.6 7 | 936.7 24 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 158Tb (180 y 11)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 79.5104 14 |
11.6 4 |
e+b+ |
| 98.918 1 |
4.29 13 |
b- |
| 181.930 4 |
9.9 3 |
e+b+ |
| 210.7 5 |
0.010 5 |
e+b+ |
| 218.221 4 |
0.933 18 |
b- |
| 780.14 4 |
9.56 18 |
e+b+ |
| 897.549 20 |
0.097 9 |
e+b+ |
| 897.622 13 |
0.145 9 |
e+b+ |
| 925.62 7 |
0.044 5 |
e+b+ |
| 944.09 5 |
44 |
e+b+ |
| 962.06 4 |
20.3 4 |
e+b+ |
| 977.131 13 |
0.175 5 |
e+b+ |
| 1107.63 7 |
2.15 4 |
e+b+ |
| 1187.13 9 |
1.68 3 |
e+b+ |
|
X-rays from 158Tb (180 y 11)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 5.362 |
0.39 4 |
Gd Ll |
| 5.743 |
0.032 3 |
Dy Ll |
| 6.026 |
1.03 7 |
Gd La2 |
| 6.050 |
0.157 12 |
Gd Lh |
| 6.058 |
9.3 6 |
Gd La1 |
| 6.458 |
0.083 6 |
Dy La2 |
| 6.495 |
0.75 5 |
Dy La1 |
| 6.534 |
0.0140 11 |
Dy Lh |
| 6.687 |
0.58 9 |
Gd Lb4 |
| 6.713 |
6.7 5 |
Gd Lb1 |
| 6.832 |
0.96 15 |
Gd Lb3 |
| 6.867 |
0.092 6 |
Gd Lb6 |
| 7.102 |
1.93 14 |
Gd Lb2 |
| 7.204 |
0.0163 25 |
Dy Lb4 |
| 7.243 |
0.0158 11 |
Gd Lb5 |
| 7.248 |
0.62 5 |
Dy Lb1 |
| 7.370 |
0.026 4 |
Dy Lb3 |
| 7.374 |
0.0079 6 |
Dy Lb6 |
| 7.636 |
0.154 12 |
Dy Lb2 |
| 7.790 |
1.13 9 |
Gd Lg1 |
| 7.930 |
0.0093 10 |
Gd Lg6 |
| 8.087 |
0.18 3 |
Gd Lg2 |
| 8.105 |
0.26 4 |
Gd Lg3 |
| 8.426 |
0.108 9 |
Dy Lg1 |
| 8.714 |
0.0052 9 |
Dy Lg2 |
| 8.753 |
0.0074 12 |
Dy Lg3 |
| 41.864 |
0.0080 3 |
Gd Ka3 |
| 42.309 |
26.1 8 |
Gd Ka2 |
| 42.996 |
47.1 14 |
Gd Ka1 |
| 44.743 |
0.000508 22 |
Dy Ka3 |
| 45.208 |
1.36 5 |
Dy Ka2 |
| 45.998 |
2.43 9 |
Dy Ka1 |
| 48.551 |
4.67 14 |
Gd Kb3 |
| 48.695 |
9.0 3 |
Gd Kb1 |
| 49.038 |
0.142 7 |
Gd Kb5 |
| 49.959 |
3.02 9 |
Gd Kb2 |
| 50.099 |
1.17 5 |
Gd Kb4 |
| 51.947 |
0.249 9 |
Dy Kb3 |
| 52.113 |
0.481 17 |
Dy Kb1 |
| 52.475 |
0.0083 4 |
Dy Kb5 |
| 53.476 |
0.161 6 |
Dy Kb2 |
| 53.634 |
0.055 3 |
Dy Kb4 |
Betas from 158Tb (180 y 11)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 32.9 |
3.88 16 |
e |
| 61.08 |
0.097 12 |
e |
| 178.41 |
29.8 12 |
e |
| 196.35 |
43.9 16 |
e |
| 619.56 |
1.10 11 |
b- |
| 837.78 |
15.5 10 |
b- |
| 958.56 |
3.2 6 |
e |
| 1140.49 |
2 |
e |
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