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|
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| Half life: | 18.45 m 12 | |
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| Jp: | 1/2- |
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| Sn (keV): | 6701.0 6 |
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| Sp (keV): | 11560 21 |
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| Prod. mode: |
Fission product
Fast neutron activation
Thermal neutron activation
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| | |
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| ENSDF citation: | NDS 79, 447 (1996) |
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| Literature cut-off date: | 1-Nov-1996 |
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| Author(s): | C.M. Baglin |
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| References since cut-off: |
81Se decay from 1996-98 (NSR)
|
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| |
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Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 1585 3 |
69Zo06 71Do09 |
| |
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Most Recent ENSDF Data (12/2002)
|
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| Mode | Data set name | Display data |
|---|
|
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| TORI Data (1999)
Gammas from 81Se (18.45 m 12)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 178.26 12 |
0.0058 6 |
b- |
| 275.988 12 |
0.7 |
b- |
| 290.03 6 |
0.55 4 |
b- |
| 290.1 7 |
0.0157 15 |
b- |
| 538.20 8 |
0.049 3 |
b- |
| 552.42 9 |
0.087 7 |
b- |
| 566.04 6 |
0.220 15 |
b- |
| 649.81 9 |
0.0249 17 |
b- |
| 789.3 4 |
0.0028 3 |
b- |
| 828.27 5 |
0.280 19 |
b- |
| 1105.3 |
|
b- |
| 1352 |
0.0014 5 |
b- |
|
X-rays from 81Se (18.45 m 12)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 1.293 |
8.1E-06 18 |
Br Ll |
| 1.339 |
4.8E-06 12 |
Br Lh |
| 1.480 |
1.6E-05 3 |
Br La2 |
| 1.481 |
1.5E-04 3 |
Br La1 |
| 1.523 |
7.0E-07 15 |
Br Lb6 |
| 1.526 |
8.5E-05 22 |
Br Lb1 |
| 1.593 |
4.0E-06 12 |
Br Lb4 |
| 1.600 |
5.9E-06 18 |
Br Lb3 |
| 1.777 |
1.1E-06 3 |
Br Lg3 |
| 1.777 |
2.7E-07 8 |
Br Lg2 |
| 11.692 |
1.51E-08 10 |
Br Ka3 |
| 11.878 |
0.00228 14 |
Br Ka2 |
| 11.924 |
0.0044 3 |
Br Ka1 |
| 13.284 |
0.000311 20 |
Br Kb3 |
| 13.292 |
0.00060 4 |
Br Kb1 |
| 13.404 |
1.73E-06 12 |
Br Kb5 |
| 13.469 |
6.0E-05 4 |
Br Kb2 |
| 13.474 |
1.78E-06 13 |
Br Kb4 |
Betas from 81Se (18.45 m 12)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 257.6 |
0.0029 |
b- |
| 756.71 |
0.39 4 |
b- |
| 935.1 |
0.0189 24 |
b- |
| 1018.97 |
0.78 8 |
b- |
| 1046.8 |
0.032 5 |
b- |
| 1585 |
98.75 10 |
b- |
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