| |
|
|---|
| Half life: | 20.0 m 6 | |
|---|
| Jp: | 5+ |
|---|
| Sn (keV): | 7451 33 |
|---|
| Sp (keV): | 2064 27 |
|---|
| | |
|---|
| ENSDF citation: | NDS 66,171 (1992) |
|---|
| Literature cut-off date: | 29-Mar-1991 |
|---|
| Author(s): | A. Artna-Cohen |
|---|
| References since cut-off: |
212Fr decay from 1991-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| e+b+ | 57 2 | 5129 26 |
73GoXM |
| a | 43 2 | 6529.0 18 |
|
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 212Fr (20.0 m 6)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 23.53 2 |
0.16 8 |
a |
| 40.17 1 |
0.25 3 |
a |
| 71.7 5 |
0.55 4 |
a |
| 84.1 5 |
0.63 13 |
a |
| 97.5 |
2.8 6 |
e+b+ |
| 124.2 5 |
1.77 17 |
a |
| 138.30 10 |
7.7 4 |
e+b+ |
| 147.7 5 |
0.21 |
a |
| 227.72 10 |
43 |
e+b+ |
| 309.1 2 |
1.02 9 |
e+b+ |
| 311.5 2 |
1.36 13 |
e+b+ |
| 322.5 2 |
0.43 |
e+b+ |
| 358.2 |
0.21 |
e+b+ |
| 422.0 5 |
0.81 9 |
e+b+ |
| 532.0 5 |
2.8 3 |
e+b+ |
| 564.4 5 |
0.98 9 |
e+b+ |
| 620.1 5 |
0.81 9 |
e+b+ |
| 804.8 2 |
3.6 4 |
e+b+ |
| 824.0 15 |
0.77 9 |
e+b+ |
| 902.2 15 |
0.68 9 |
e+b+ |
| 1047.3 20 |
7.2 7 |
e+b+ |
| 1178.4 20 |
1.36 17 |
e+b+ |
| 1185.6 20 |
14.1 17 |
e+b+ |
| 1273.8 2 |
46 4 |
e+b+ |
|
X-rays from 212Fr (20.0 m 6)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 9.897 |
0.38 11 |
At Ll |
| 10.137 |
1.00 11 |
Rn Ll |
| 11.306 |
0.72 20 |
At La2 |
| 11.426 |
6.4 18 |
At La1 |
| 11.598 |
1.86 13 |
Rn La2 |
| 11.726 |
16.6 12 |
Rn La1 |
| 12.466 |
0.076 19 |
At Lh |
| 12.855 |
0.304 20 |
Rn Lh |
| 13.169 |
0.11 3 |
At Lb6 |
| 13.488 |
1.4 5 |
At Lb4 |
| 13.520 |
0.280 20 |
Rn Lb6 |
| 13.694 |
1.6 5 |
At Lb2 |
| 13.875 |
3.1 8 |
At Lb1 |
| 13.898 |
0.90 20 |
Rn Lb4 |
| 14.066 |
4.3 3 |
Rn Lb2 |
| 14.073 |
1.5 5 |
At Lb3 |
| 14.168 |
0.26 7 |
At Lb5 |
| 14.316 |
12.4 8 |
Rn Lb1 |
| 14.519 |
0.97 22 |
Rn Lb3 |
| 14.564 |
0.71 5 |
Rn Lb5 |
| 16.249 |
0.68 17 |
At Lg1 |
| 16.585 |
0.49 17 |
At Lg2 |
| 16.731 |
0.57 20 |
At Lg3 |
| 16.735 |
0.13 4 |
At Lg6 |
| 16.770 |
2.75 19 |
Rn Lg1 |
| 17.104 |
0.33 8 |
Rn Lg2 |
| 17.258 |
0.37 9 |
Rn Lg3 |
| 17.280 |
0.56 6 |
Rn Lg6 |
| 78.242 |
0.0037 4 |
At Ka3 |
| 78.948 |
1.82 17 |
At Ka2 |
| 80.349 |
0.0508 19 |
Rn Ka3 |
| 81.069 |
23.2 7 |
Rn Ka2 |
| 81.517 |
3.0 3 |
At Ka1 |
| 83.787 |
38.5 12 |
Rn Ka1 |
| 91.730 |
0.36 3 |
At Kb3 |
| 92.315 |
0.69 7 |
At Kb1 |
| 92.883 |
0.0219 22 |
At Kb5 |
| 94.247 |
4.59 14 |
Rn Kb3 |
| 94.868 |
8.8 3 |
Rn Kb1 |
| 94.900 |
0.256 24 |
At Kb2 |
| 95.211 |
0.076 8 |
At Kb4 |
| 95.449 |
0.288 13 |
Rn Kb5 |
| 97.530 |
3.29 10 |
Rn Kb2 |
| 97.853 |
1.07 5 |
Rn Kb4 |
Betas from 212Fr (20.0 m 6)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 1420,9 |
0.40 |
b+ |
| 1801,7 |
0.17 |
b+ |
| 2442,9 |
21 |
e |
| 2468,2 |
1.9 |
b+ |
| 2606,5 |
1.9 |
b+ |
| 2823,7 |
3.2 |
e |
| 3490,2 |
16 |
e |
| 3628,5 |
13 |
e |
Alphas from 212Fr (20.0 m 6)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 5829 8 |
0.05 3 |
| 5983 3 |
0.07 2 |
| 6076 3 |
0.43 5 |
| 6127 2 |
1.14 10 |
| 6173 4 |
1.10 12 |
| 6183 3 |
1.30 13 |
| 6261.9 21 |
37.5 12 |
| 6335 3 |
10.2 10 |
| 6342 3 |
3.1 3 |
| 6383.3 20 |
24.0 8 |
| 6406.2 20 |
22.0 8 |
|
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