| |
|
|---|
| Half life: | 9.0 h 3 | |
|---|
| Jp: | 3/2+ |
|---|
| Sn (keV): | 7480.7 4 |
|---|
| Sp (keV): | 7171 85 |
|---|
| Prod. mode: |
Charged particle reaction
Fast neutron activation
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 72,355 (1994) |
|---|
| Literature cut-off date: | 1-Oct-1993 |
|---|
| Author(s): | J.K. Tuli |
|---|
| References since cut-off: |
137Ce decay from 1993-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| e+b+ | 100 | 1222.1 16 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 137Ce (9.0 h 3)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 10.6 5 |
0.8 |
e+b+ |
| 148.83 8 |
0.0009 4 |
e+b+ |
| 217.03 5 |
0.0039 5 |
e+b+ |
| 433.22 9 |
0.0518 9 |
e+b+ |
| 436.59 9 |
0.265 9 |
e+b+ |
| 447.15 8 |
1.8 |
e+b+ |
| 479.12 10 |
0.0119 5 |
e+b+ |
| 482.47 10 |
0.0457 16 |
e+b+ |
| 493.03 10 |
0.0105 5 |
e+b+ |
| 529.3 2 |
0.00036 18 |
e+b+ |
| 631.38 6 |
0.0134 7 |
e+b+ |
| 678.26 12 |
0.0009 4 |
e+b+ |
| 698.72 11 |
0.0312 16 |
e+b+ |
| 709.30 11 |
0.00107 18 |
e+b+ |
| 724.4 3 |
0.0007 4 |
e+b+ |
| 770.97 10 |
0.0061 4 |
e+b+ |
| 781.57 13 |
0.0030 4 |
e+b+ |
| 915.80 13 |
0.0514 18 |
e+b+ |
| 926.35 13 |
0.0338 12 |
e+b+ |
| 1160.85 22 |
0.00150 14 |
e+b+ |
|
X-rays from 137Ce (9.0 h 3)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 4.121 |
0.24 4 |
La Ll |
| 4.529 |
0.115 12 |
La Lh |
| 4.634 |
0.64 8 |
La La2 |
| 4.651 |
5.8 8 |
La La1 |
| 5.042 |
4.2 4 |
La Lb1 |
| 5.062 |
1.4 3 |
La Lb4 |
| 5.143 |
2.3 5 |
La Lb3 |
| 5.212 |
0.049 6 |
La Lb6 |
| 5.384 |
1.22 16 |
La Lb2 |
| 5.483 |
0.0122 16 |
La Lb5 |
| 5.792 |
0.62 7 |
La Lg1 |
| 5.891 |
0.0067 9 |
La Lg6 |
| 6.061 |
0.40 8 |
La Lg2 |
| 6.075 |
0.57 12 |
La Lg3 |
| 32.658 |
0.00313 12 |
La Ka3 |
| 33.034 |
21.9 7 |
La Ka2 |
| 33.442 |
40.2 12 |
La Ka1 |
| 37.720 |
3.79 11 |
La Kb3 |
| 37.801 |
7.31 22 |
La Kb1 |
| 38.084 |
0.088 4 |
La Kb5 |
| 38.726 |
2.37 7 |
La Kb2 |
| 38.826 |
0.57 3 |
La Kb4 |
Betas from 137Ce (9.0 h 3)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 50.7 |
0.0035 6 |
e |
| 189.54 |
0.0085 3 |
b+ |
| 295.75 |
0.154 8 |
e |
| 512.8 |
0.028 4 |
e |
| 580.16 |
0.0139 15 |
e |
| 729.07 |
0.0028 |
e |
| 774.95 |
2.065 12 |
e |
| 1211.54 |
97.23 15 |
e |
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