| |
|
|---|
| Half life: | 29.7 s 15 | |
|---|
| Jp: | 5/2(+) |
|---|
| Sn (keV): | 9.5E3 4 |
|---|
| Sp (keV): | 3.7E3 3 |
|---|
| | |
|---|
| ENSDF citation: | NDS 64,323 (1991) |
|---|
| Literature cut-off date: | 1-Aug-1991 |
|---|
| Author(s): | T. Tamura, H. Iimura, K. Miyano and S. Ohya |
|---|
| References since cut-off: |
121Ba decay from 1991-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| e+b+ | 100 | 6.8E3 3 |
74Ka31 85IcZZ 88Se08 |
| ep | 0.02 1 | |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 121Ba (29.7 s 15)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 98.2 5 |
26 3* |
e+b+ |
| 99.2 5 |
86 9* |
e+b+ |
| 110.6 5 |
39 4* |
e+b+ |
| 111.6 5 |
100* |
e+b+ |
| 210.8 4 |
61 6* |
e+b+ |
* Relative intensity |
X-rays from 121Ba (29.7 s 15)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 3.795 |
0.18 7 |
Cs Ll |
| 4.142 |
0.08 3 |
Cs Lh |
| 4.272 |
0.51 18 |
Cs La2 |
| 4.286 |
4.6 16 |
Cs La1 |
| 4.620 |
2.8 10 |
Cs Lb1 |
| 4.649 |
0.27 11 |
Cs Lb4 |
| 4.717 |
0.45 18 |
Cs Lb3 |
| 4.781 |
0.037 13 |
Cs Lb6 |
| 4.934 |
0.9 3 |
Cs Lb2 |
| 5.281 |
0.41 14 |
Cs Lg1 |
| 5.542 |
0.07 3 |
Cs Lg2 |
| 5.553 |
0.11 4 |
Cs Lg3 |
| 30.270 |
0.0033 11 |
Cs Ka3 |
| 30.625 |
28 10 |
Cs Ka2 |
| 30.973 |
52 17 |
Cs Ka1 |
| 34.920 |
4.9 16 |
Cs Kb3 |
| 34.987 |
9 3 |
Cs Kb1 |
| 35.252 |
0.10 3 |
Cs Kb5 |
| 35.818 |
2.9 10 |
Cs Kb2 |
| 35.907 |
0.60 20 |
Cs Kb4 |
Betas from 121Ba (29.7 s 15)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 3800 |
0.02 |
e |
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