| |
|
| Half life: | 17.9 s 6 | |
| Jp: | (11/2)- |
| Sn (keV): | 1.14E4 sy |
| Sp (keV): | 1.4E3 sy |
| | |
| ENSDF citation: | NDS 57,337 (1989) |
| Literature cut-off date: | 17-Apr-1989 |
| Author(s): | T.W. Burrows |
| References since cut-off: |
139Eu decay from 1989-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
|
| e+b+ | 100 | 7.02E3 sy |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 139Eu (17.9 s 6)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 43.8 1 |
|
e+b+ |
| 111.6 2 |
1.8 5 |
e+b+ |
| 111.9 2 |
21.3 24 |
e+b+ |
| 132.2 2 |
14 3 |
e+b+ |
| 155.3 2 |
31 3 |
e+b+ |
| 189.4 4 |
|
e+b+ |
| 190.1 2 |
25 |
e+b+ |
| 197.2 4 |
6.0 23 |
e+b+ |
| 223.5 2 |
6.9 15 |
e+b+ |
| 267.3 2 |
31 4 |
e+b+ |
| 299.5 5 |
3.8 18 |
e+b+ |
| 330.5 7 |
12 5 |
e+b+ |
| 419.5 5 |
3.0 15 |
e+b+ |
| 437.7 4 |
9 4 |
e+b+ |
| 453.4 2 |
15 |
e+b+ |
| 463.4 5 |
2.3 11 |
e+b+ |
| 486.5 4 |
|
e+b+ |
| 497.2 3 |
8.7 18 |
e+b+ |
| 659.5 3 |
6.9 15 |
e+b+ |
| 693.8 4 |
6 3 |
e+b+ |
| 701.2 4 |
6.3 12 |
e+b+ |
| 719.0 4 |
20 3 |
e+b+ |
| 741.2 3 |
|
e+b+ |
|
X-rays from 139Eu (17.9 s 6)
|
| E (keV) |
I (%) | Assignment |
|
| 4.993 |
0.24 3 |
Sm Ll |
| 5.589 |
0.107 10 |
Sm Lh |
| 5.610 |
0.65 6 |
Sm La2 |
| 5.636 |
5.9 5 |
Sm La1 |
| 6.196 |
0.25 4 |
Sm Lb4 |
| 6.206 |
4.4 4 |
Sm Lb1 |
| 6.317 |
0.42 7 |
Sm Lb3 |
| 6.371 |
0.055 5 |
Sm Lb6 |
| 6.587 |
1.25 11 |
Sm Lb2 |
| 7.183 |
0.72 7 |
Sm Lg1 |
| 7.471 |
0.077 13 |
Sm Lg2 |
| 7.489 |
0.110 19 |
Sm Lg3 |
| 39.097 |
0.0052 3 |
Sm Ka3 |
| 39.522 |
20.7 11 |
Sm Ka2 |
| 40.118 |
37.4 21 |
Sm Ka1 |
| 45.294 |
3.66 20 |
Sm Kb3 |
| 45.414 |
7.1 4 |
Sm Kb1 |
| 45.741 |
0.105 7 |
Sm Kb5 |
| 46.578 |
2.34 13 |
Sm Kb2 |
| 46.705 |
0.89 6 |
Sm Kb4 |
Betas from 139Eu (17.9 s 6)
|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|
| 4617.7 |
10 5 |
b+ |
| 4821.6 |
16 4 |
b+ |
| 4839.5 |
12 5 |
b+ |
| 4977.8 |
3.1 17 |
b+ |
| 5077.9 |
10 6 |
b+ |
| 5211.2 |
6 3 |
b+ |
| 5540.2 |
17 3 |
b+ |
| 5639.7 |
2.7 10 |
e |
| 5843.6 |
3.5 19 |
e |
| 5861.5 |
2.7 9 |
e |
| 5999.8 |
0.6 5 |
e |
| 6099.9 |
1.9 11 |
e |
| 6233.2 |
1.1 9 |
e |
| 6562.2 |
2.5 12 |
e |
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