| |
|
|---|
| Half life: | 33.3 s 8 | |
|---|
| Jp: | 3/2- |
|---|
| Sn (keV): | 8486 22 |
|---|
| Sp (keV): | 10374 24 |
|---|
| Prod. mode: |
Fission product
|
|---|
| | |
|---|
| ENSDF citation: | NDS 79, 447 (1996) |
|---|
| Literature cut-off date: | 1-Nov-1996 |
|---|
| Author(s): | C.M. Baglin |
|---|
| References since cut-off: |
81As decay from 1996-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 3856 5 |
74Ch11 75Kr08 |
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 81As (33.3 s 8)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 103.01 6 |
|
b- |
| 156.12 18 |
0.28 4 |
b- |
| 388.19 17 |
0.86 10 |
b- |
| 467.72 10 |
20 |
b- |
| 491.20 14 |
8.5 1 |
b- |
| 521.10 14 |
1.40 12 |
b- |
| 756.00 20 |
0.172 20 |
b- |
| 835.92 18 |
0.33 4 |
b- |
| 874.9 2 |
0.138 20 |
b- |
| 915.04 19 |
0.102 20 |
b- |
| 938.9 2 |
0.34 6 |
b- |
| 949.7 2 |
0.36 6 |
b- |
| 1406.14 28 |
0.998 12 |
b- |
| 1561.90 20 |
0.38 4 |
b- |
| 1661.80 20 |
0.132 20 |
b- |
| 1688.40 20 |
0.112 12 |
b- |
| 1842.07 19 |
0.07 1 |
b- |
| 1864.7 4 |
0.114 12 |
b- |
| 1882.00 20 |
<0.008 |
b- |
| 2029.60 20 |
0.224 20 |
b- |
| 2079.30 20 |
0.068 10 |
b- |
| 2102.20 20 |
0.37 4 |
b- |
| 2145.80 20 |
0.056 10 |
b- |
| 2301.80 20 |
0.27 3 |
b- |
| 2332.30 20 |
0.066 10 |
b- |
| 2340.80 20 |
0.078 12 |
b- |
| 2569.5 2 |
0.172 20 |
b- |
| 2659.60 20 |
0.154 18 |
b- |
| 2733.30 20 |
0.096 14 |
b- |
| 2832.40 20 |
0.28 3 |
b- |
| 3118.20 20 |
0.036 10 |
b- |
|
X-rays from 81As (33.3 s 8)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 1.204 |
4.7E-05 16 |
Se Ll |
| 1.245 |
2.8E-05 10 |
Se Lh |
| 1.379 |
0.0008 3 |
Se La1 |
| 1.379 |
9E-05 3 |
Se La2 |
| 1.419 |
0.00049 17 |
Se Lb1 |
| 1.424 |
3.8E-06 12 |
Se Lb6 |
| 1.486 |
2.3E-05 9 |
Se Lb4 |
| 1.492 |
3.5E-05 13 |
Se Lb3 |
| 1.648 |
1.1E-06 4 |
Se Lg2 |
| 1.648 |
6.3E-06 24 |
Se Lg3 |
| 11.004 |
7.5E-08 19 |
Se Ka3 |
| 11.182 |
0.014 3 |
Se Ka2 |
| 11.222 |
0.027 7 |
Se Ka1 |
| 12.490 |
0.0018 5 |
Se Kb3 |
| 12.496 |
0.0036 9 |
Se Kb1 |
| 12.601 |
9.2E-06 23 |
Se Kb5 |
| 12.652 |
0.00025 6 |
Se Kb2 |
| 12.658 |
6.5E-06 16 |
Se Kb4 |
Betas from 81As (33.3 s 8)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 633.3 |
0.07 6 |
b- |
| 890.86 |
0.210 24 |
b- |
| 920.82 |
0.46 4 |
b- |
| 1086.24 |
0.33 3 |
b- |
| 1196.35 |
0.154 18 |
b- |
| 1285.81 |
0.61 5 |
b- |
| 1523.27 |
0.250 19 |
b- |
| 1826.34 |
0.60 5 |
b- |
| 2449.66 |
1.44 7 |
b- |
| 2552.46 |
0.20 5 |
b- |
| 2803.26 |
0.36 6 |
b- |
| 3231.91 |
1.58 13 |
b- |
| 3364.95 |
8.96 16 |
b- |
| 3388.23 |
17.89 11 |
b- |
| 3753.01 |
1.3 |
b- |
| 3856 |
66.3 7 |
b- |
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