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| Half life: | 54.8 s 10 | |
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| E(level): | 754.24 8 keV |
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| Jp: | 11/2- |
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| Sn (keV): | 7456 12 |
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| Sp (keV): | 7718 8 |
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| Prod. mode: |
Fast neutron activation
Thermal neutron activation
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| | |
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| ENSDF citation: | NDS 57,337 (1989) |
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| Literature cut-off date: | 17-Apr-1989 |
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| Author(s): | T.W. Burrows |
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| References since cut-off: |
139Ce decay from 1989-98 (NSR)
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Decay properties:
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| Mode | Branching (%) | Q-value (keV) |
|
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| IT | 100 | |
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Most Recent ENSDF Data (12/2002)
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| Mode | Data set name | Display data |
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|
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| TORI Data (1999)
Gammas from 139mCe (54.8 s 10)
|
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| Eg (keV) |
Ig (%) | Decay mode |
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|
| 754.24 8 |
92.45(calc) |
IT |
|
X-rays from 139mCe (54.8 s 10)
|
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| E (keV) |
I (%) | Assignment |
|---|
|
| 4.289 |
0.0129 17 |
Ce Ll |
| 4.730 |
0.0054 6 |
Ce Lh |
| 4.822 |
0.035 4 |
Ce La2 |
| 4.840 |
0.32 3 |
Ce La1 |
| 5.263 |
0.199 20 |
Ce Lb1 |
| 5.276 |
0.020 4 |
Ce Lb4 |
| 5.363 |
0.034 7 |
Ce Lb3 |
| 5.434 |
0.0027 3 |
Ce Lb6 |
| 5.613 |
0.066 7 |
Ce Lb2 |
| 6.054 |
0.031 3 |
Ce Lg1 |
| 6.326 |
0.0059 12 |
Ce Lg2 |
| 6.342 |
0.0083 17 |
Ce Lg3 |
| 33.894 |
0.000258 8 |
Ce Ka3 |
| 34.279 |
1.60 4 |
Ce Ka2 |
| 34.720 |
2.93 7 |
Ce Ka1 |
| 39.170 |
0.280 6 |
Ce Kb3 |
| 39.258 |
0.540 12 |
Ce Kb1 |
| 39.551 |
0.0067 3 |
Ce Kb5 |
| 40.228 |
0.174 4 |
Ce Kb2 |
| 40.333 |
0.0492 20 |
Ce Kb4 |
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