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Half life: | 137.640 d 23 | |
Jp: | 3/2+ |
Sn (keV): | 7456 12 |
Sp (keV): | 7718 8 |
Prod. mode: |
Fast neutron activation Thermal neutron activation
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ENSDF citation: | NDS 57,337 (1989) |
Literature cut-off date: | 17-Apr-1989 |
Author(s): | T.W. Burrows |
References since cut-off: |
139Ce decay from 1989-98 (NSR)
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Decay properties: |
Mode | Branching (%) | Q-value (keV) |
|
e | 100 | 278 7 |
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Data sets: |
Mode | Data set name | Display data |
|
Gammas from 139Ce (137.640 d 23)
|
Eg (keV) |
Ig (%) | Decay mode |
|
165.864 6 |
80 |
e |
|
X-rays from 139Ce (137.640 d 23)
|
E (keV) |
I (%) | Assignment |
|
4.121 |
0.183 25 |
La Ll |
4.529 |
0.079 8 |
La Lh |
4.634 |
0.50 6 |
La La2 |
4.651 |
4.5 5 |
La La1 |
5.042 |
2.8 3 |
La Lb1 |
5.062 |
0.43 9 |
La Lb4 |
5.143 |
0.72 15 |
La Lb3 |
5.212 |
0.038 4 |
La Lb6 |
5.384 |
0.94 11 |
La Lb2 |
5.483 |
0.0095 11 |
La Lb5 |
5.792 |
0.42 5 |
La Lg1 |
5.891 |
0.0045 6 |
La Lg6 |
6.061 |
0.12 3 |
La Lg2 |
6.075 |
0.17 4 |
La Lg3 |
32.658 |
0.00340 12 |
La Ka3 |
33.034 |
23.8 7 |
La Ka2 |
33.442 |
43.6 12 |
La Ka1 |
37.720 |
4.11 11 |
La Kb3 |
37.801 |
7.93 22 |
La Kb1 |
38.084 |
0.096 4 |
La Kb5 |
38.726 |
2.57 7 |
La Kb2 |
38.826 |
0.62 3 |
La Kb4 |
Betas from 139Ce (137.640 d 23)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
112,14 |
99.9982 18 |
e |
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