| |
|
|---|
| Half life: | 17.0 ms 4 | |
|---|
| Jp: | 3/2+ |
|---|
| Sn (keV): | 4.00E3 19 |
|---|
| Sp (keV): | 1.69E4 8 |
|---|
| | |
|---|
| ENSDF citation: | NP A521,1 (1990) |
|---|
| Literature cut-off date: | 1-Jun-1990 |
|---|
| Author(s): | P.M. Endt |
|---|
| References since cut-off: |
31Na decay from 1990-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 1.588E4 18 |
|
| b-n | 37 5 | |
|
| b-2n | 0.9 2 | |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 31Na (17.0 ms 4)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 171.1 16 |
4.8 4 |
b- |
| 221.6 10 |
2.1 3 |
b- |
| 306.5 6 |
13 14* |
b-n |
| 623.5 8 |
3.2 3 |
b- |
| 673.8 12 |
1.40 14 |
b- |
| 808.7 16 |
1.5 3 |
b- |
| 895.0 11 |
0.78 22 |
b- |
| 985.0 7 |
12 22* |
b-n |
| 1213.4 15 |
1.20 11 |
b- |
| 1482.1 5 |
100* |
b-n |
| 1820.1 6 |
20 2* |
b-n |
| 1978.1 8 |
22 3* |
b-n |
| 2022.2 11 |
3.8 4 |
b- |
| 2193.4 14 |
3.1 4 |
b- |
| 2243.9 7 |
10.4 7 |
b- |
| 3537.6 12 |
0.77 25 |
b- |
* Relative intensity |
Betas from 31Na (17.0 ms 4)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 2880 |
38 |
b- |
| 13636 |
19 4 |
b- |
| 14849.5 |
0.4 6 |
b- |
| 14984.9 |
0.8 3 |
b- |
| 15658.3 |
5.4 18 |
b- |
| 15880 |
31 8 |
b- |
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