| |
|
|---|
| Half life: | 38.0 s 5 | |
|---|
| Jp: | 0+ |
|---|
| Sn (keV): | 6717 8 |
|---|
| Sp (keV): | 6249 8 |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 77,271 (1996) |
|---|
| Literature cut-off date: | 1-Sep-1995 |
|---|
| Author(s): | Y.A. Akovali |
|---|
| References since cut-off: |
222Ra decay from 1995-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| a | 100 | 6681 4 |
|
| 14C | 3.0E-8 1 0 | |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 222Ra (38.0 s 5)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 144.0 5 |
0.00011 2 |
a |
| 324.22 5 |
2.77 8 |
a |
| 328.9 2 |
0.0043 5 |
a |
| 472.5 1 |
0.0040 3 |
a |
| 515.6 1 |
0.0015 1 |
a |
| 840.2 2 |
0.0025 2 |
a |
|
X-rays from 222Ra (38.0 s 5)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 10.137 |
0.00217 21 |
Rn Ll |
| 11.598 |
0.00405 22 |
Rn La2 |
| 11.726 |
0.0361 20 |
Rn La1 |
| 12.855 |
0.00088 5 |
Rn Lh |
| 13.520 |
0.00061 3 |
Rn Lb6 |
| 13.898 |
0.00141 22 |
Rn Lb4 |
| 14.066 |
0.0093 6 |
Rn Lb2 |
| 14.316 |
0.0357 22 |
Rn Lb1 |
| 14.519 |
0.00150 23 |
Rn Lb3 |
| 14.564 |
0.00154 8 |
Rn Lb5 |
| 16.770 |
0.0079 5 |
Rn Lg1 |
| 17.104 |
0.00051 9 |
Rn Lg2 |
| 17.258 |
0.00058 9 |
Rn Lg3 |
| 17.280 |
0.00163 16 |
Rn Lg6 |
| 80.349 |
1.01E-04 4 |
Rn Ka3 |
| 81.069 |
0.0459 16 |
Rn Ka2 |
| 83.787 |
0.076 3 |
Rn Ka1 |
| 94.247 |
0.0091 3 |
Rn Kb3 |
| 94.868 |
0.0174 6 |
Rn Kb1 |
| 95.449 |
0.00057 3 |
Rn Kb5 |
| 97.530 |
0.00651 23 |
Rn Kb2 |
| 97.853 |
0.00212 10 |
Rn Kb4 |
Alphas from 222Ra (38.0 s 5)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 5730 5 |
0.0040 3 |
| 5773 5 |
0.0042 4 |
| 5914 5 |
0.0046 7 |
| 6237 5 |
3.05 5 |
| 6559 5 |
96.9 1 |
|
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