| |
|
|---|
| Half life: | 17.77 d 2 | |
|---|
| Jp: | 2- |
|---|
| Sn (keV): | 7975 4 |
|---|
| Sp (keV): | 6851.4 17 |
|---|
| Prod. mode: |
Photon reaction
Fast neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 74,529 (1995) |
|---|
| Literature cut-off date: | 1-May-1994 |
|---|
| Author(s): | A.R. Farhan |
|---|
| References since cut-off: |
74As decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 34 2 | 1353.0 18 |
|
| e+b+ | 66 2 | 2562.4 17 |
|
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 74As (17.77 d 2)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 595.847 6 |
59 3 |
e+b+ |
| 608.353 5 |
0.552 12 |
e+b+ |
| 634.32 10 |
~0.036 |
b- |
| 634.78 10 |
15.4 5 |
b- |
| 715.17 3 |
0.0071 24 |
e+b+ |
| 734.17 4 |
0.0036 12 |
e+b+ |
| 867.898 6 |
0.00457 18 |
e+b+ |
| 887.19 7 |
0.0255 12 |
e+b+ |
| 993.67 6 |
0.0184 18 |
e+b+ |
| 1101.267 12 |
0.0071 18 |
e+b+ |
| 1204.208 12 |
0.285 18 |
e+b+ |
| 1269.06 10 |
0.0018 6 |
b- |
| 1482.6 |
|
e+b+ |
| 1602.0 2 |
0.0071 6 |
e+b+ |
| 2197.95 8 |
0.0149 18 |
e+b+ |
|
X-rays from 74As (17.77 d 2)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 1.037 |
0.019 4 |
Ge Ll |
| 1.068 |
0.011 3 |
Ge Lh |
| 1.188 |
0.032 7 |
Ge La2 |
| 1.188 |
0.29 6 |
Ge La1 |
| 1.204 |
1.15E-05 25 |
Se Ll |
| 1.212 |
0.00119 24 |
Ge Lb6 |
| 1.219 |
0.17 4 |
Ge Lb1 |
| 1.245 |
6.9E-06 17 |
Se Lh |
| 1.286 |
0.009 3 |
Ge Lb4 |
| 1.293 |
0.013 4 |
Ge Lb3 |
| 1.379 |
2.0E-04 4 |
Se La1 |
| 1.379 |
2.2E-05 5 |
Se La2 |
| 1.412 |
0.0022 7 |
Ge Lg3 |
| 1.412 |
1.4E-04 4 |
Ge Lg2 |
| 1.419 |
1.2E-04 3 |
Se Lb1 |
| 1.424 |
9.2E-07 19 |
Se Lb6 |
| 1.486 |
5.7E-06 17 |
Se Lb4 |
| 1.492 |
9E-06 3 |
Se Lb3 |
| 1.648 |
1.5E-06 5 |
Se Lg3 |
| 1.648 |
2.7E-07 8 |
Se Lg2 |
| 9.689 |
1.99E-05 9 |
Ge Ka3 |
| 9.855 |
5.37 22 |
Ge Ka2 |
| 9.886 |
10.5 4 |
Ge Ka1 |
| 10.975 |
0.68 3 |
Ge Kb3 |
| 10.982 |
1.33 6 |
Ge Kb1 |
| 11.004 |
1.83E-08 10 |
Se Ka3 |
| 11.074 |
0.00261 14 |
Ge Kb5 |
| 11.101 |
0.0324 13 |
Ge Kb2 |
| 11.103 |
0.00110 6 |
Ge Kb4 |
| 11.182 |
0.00338 17 |
Se Ka2 |
| 11.222 |
0.0066 3 |
Se Ka1 |
| 12.490 |
0.000449 23 |
Se Kb3 |
| 12.496 |
0.00087 4 |
Se Kb1 |
| 12.601 |
2.23E-06 14 |
Se Kb5 |
| 12.652 |
6.2E-05 3 |
Se Kb2 |
| 12.658 |
1.60E-06 10 |
Se Kb4 |
Betas from 74As (17.77 d 2)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 83,98 |
0.040 |
b- |
| 336,19 |
0.0161 11 |
b+ |
| 364,47 |
0.051 4 |
e |
| 718,25 |
15.4 14 |
b- |
| 865,26 |
0.0071 18 |
e |
| 944,55 |
26.1 22 |
b+ |
| 1079,59 |
0.018 3 |
e |
| 1098,64 |
0.0022 10 |
e |
| 1353 |
18.6 25 |
b- |
| 1358,19 |
0.80 5 |
e |
| 1540,4 |
3 2 |
b+ |
| 1966,55 |
33.1 22 |
e |
| 2562,4 |
3 2 |
e |
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