| |
|
|---|
| Half life: | 1.26 s 5 | |
|---|
| Jp: | (3/2+) |
|---|
| Sn (keV): | 6267 74 |
|---|
| Sp (keV): | 1.44E4 sy |
|---|
| | |
|---|
| ENSDF citation: | NDS 76,191 (1995) |
|---|
| Literature cut-off date: | 14-Sep-1995 |
|---|
| Author(s): | T.W. Burrows |
|---|
| References since cut-off: |
49K decay from 1995-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 10970 70 |
86Mi08 83RaZR 82Ca04 |
| b-n | 86 9 | |
83RaZR 82Ca04 |
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 49K (1.26 s 5)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 451.6 1 |
8 1* |
b-n |
| 2023.16 30 |
0.4 |
b- |
| 2249 |
1.54 28 |
b- |
| 3585.0 |
0.2 |
b- |
| 3832.2 5 |
100* |
b-n |
| 4072 |
0.2 |
b- |
| 4272 |
1.76 28 |
b- |
| 4284 |
* |
b-n |
* Relative intensity |
X-rays from 49K (1.26 s 5)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 0.350 |
6.4E-09 18 |
Ca Lb1 |
| 0.412 |
1.6E-09 5 |
Ca Lb4 |
| 0.412 |
2.5E-09 8 |
Ca Lb3 |
| 3.688 |
2.04E-06 24 |
Ca Ka2 |
| 3.692 |
4.1E-06 5 |
Ca Ka1 |
| 4.013 |
2.14E-07 25 |
Ca Kb3 |
| 4.013 |
4.2E-07 5 |
Ca Kb1 |
Betas from 49K (1.26 s 5)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 870 |
0.05 1 |
b- |
| 1390 |
0.10 2 |
b- |
| 1690 |
0.10 2 |
b- |
| 1870 |
0.2 |
b- |
| 2300 |
0.30 6 |
b- |
| 2580 |
1.0 2 |
b- |
| 3098 |
0.5 1 |
b- |
| 3170 |
0.3 2 |
b- |
| 3358 |
0.3 1 |
b- |
| 3635 |
1.4 4 |
b- |
| 3690 |
2.5 6 |
b- |
| 3900 |
9.2 18 |
b- |
| 4046 |
1.4 4 |
b- |
| 4420 |
17.6 21 |
b- |
| 4457 |
14 3 |
b- |
| 4594 |
2.1 4 |
b- |
| 4640 |
8.0 16 |
b- |
| 5358 |
8.4 19 |
b- |
| 5402 |
13 3 |
b- |
| 5661 |
6.7 7 |
b- |
| 6698 |
3.3 |
b- |
| 6898 |
0.2 |
b- |
| 7385 |
0.2 |
b- |
| 8946.8 |
0.4 |
b- |
| 10970 |
10 |
b- |
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