| |
|
|---|
| Half life: | 93.1 d 4 | |
|---|
| Jp: | 5/2+ |
|---|
| Sn (keV): | 8284 18 |
|---|
| Sp (keV): | 4394 4 |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 73,351 (1994) |
|---|
| Literature cut-off date: | 1-Dec-1994 |
|---|
| Author(s): | B. Singh |
|---|
| References since cut-off: |
149Eu decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| e | 100 | 695 4 |
|
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 149Eu (93.1 d 4)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 22.510 8 |
2.32 6 |
e |
| 72.983 10 |
0.0141 8 |
e |
| 122.0 2 |
0.0003 2 |
e |
| 129.50 7 |
0.0004 2 |
e |
| 130.10 4 |
0.0031 8 |
e |
| 178.580 16 |
0.0185 12 |
e |
| 208.283 21 |
0.0121 8 |
e |
| 251.510 37 |
0.0109 12 |
e |
| 254.566 23 |
0.636 12 |
e |
| 272.21 14 |
0.00013 9 |
e |
| 277.089 10 |
3.56 6 |
e |
| 281.295 16 |
0.0226 8 |
e |
| 285.95 1 |
0.0007 2 |
e |
| 308.0 1 |
0.0001 1 |
e |
| 327.526 10 |
4.03 12 |
e |
| 350.016 10 |
0.367 12 |
e |
| 376.5 2 |
0.00003 2 |
e |
| 381.7 2 |
0.0035 7 |
e |
| 506.093 10 |
0.558 13 |
e |
| 528.587 10 |
0.508 12 |
e |
| 535.897 12 |
0.048 3 |
e |
| 558.372 10 |
0.052 4 |
e |
| 568.36 7 |
0.000024 8 |
e |
| 590.88 1 |
0.000096 8 |
e |
| 613.92 2 |
0.00026 1 |
e |
| 636.05 10 |
0.0003 |
e |
| 636.50 5 |
0.00015 1 |
e |
|
X-rays from 149Eu (93.1 d 4)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 4.993 |
0.31 3 |
Sm Ll |
| 5.589 |
0.126 10 |
Sm Lh |
| 5.610 |
0.82 6 |
Sm La2 |
| 5.636 |
7.4 5 |
Sm La1 |
| 6.196 |
1.06 16 |
Sm Lb4 |
| 6.206 |
5.1 4 |
Sm Lb1 |
| 6.317 |
1.8 3 |
Sm Lb3 |
| 6.371 |
0.069 5 |
Sm Lb6 |
| 6.587 |
1.57 12 |
Sm Lb2 |
| 7.183 |
0.85 7 |
Sm Lg1 |
| 7.471 |
0.33 5 |
Sm Lg2 |
| 7.489 |
0.46 8 |
Sm Lg3 |
| 39.097 |
0.00560 20 |
Sm Ka3 |
| 39.522 |
22.1 6 |
Sm Ka2 |
| 40.118 |
40.0 11 |
Sm Ka1 |
| 45.294 |
3.91 11 |
Sm Kb3 |
| 45.414 |
7.57 22 |
Sm Kb1 |
| 45.741 |
0.112 5 |
Sm Kb5 |
| 46.578 |
2.50 7 |
Sm Kb2 |
| 46.705 |
0.95 4 |
Sm Kb4 |
Betas from 149Eu (93.1 d 4)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 36,4 |
0.0070 11 |
e |
| 58,54 |
0.00041 2 |
e |
| 104,11 |
0.000120 12 |
e |
| 136,63 |
0.141 6 |
e |
| 166,4 |
1.11 2 |
e |
| 295,91 |
0.0002 |
e |
| 344,96 |
4.71 13 |
e |
| 409,06 |
0.00064 24 |
e |
| 417,92 |
4.51 7 |
e |
| 672,49 |
64 4 |
e |
| 695 |
25 4 |
e |
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