| |
|
| Half life: | 14.2 m 3 | |
| Jp: | 2- |
| Sn (keV): | 4999 22 |
| Sp (keV): | 5.34E3 sy |
| | |
| ENSDF citation: | NDS 77,271 (1996) |
| Literature cut-off date: | 1-Sep-1995 |
| Author(s): | Y.A. Akovali |
| References since cut-off: |
222Fr decay from 1995-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
|
| b- | 100 | 2033 21 |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 222Fr (14.2 m 3)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 54.14 2 |
0.0150 25 |
b- |
| 75.13 2 |
0.0085 20 |
b- |
| 111.12 2 |
13.1 13 |
b- |
| 131.00 2 |
0.63 6 |
b- |
| 172.37 2 |
0.060 5 |
b- |
| 190.27 3 |
0.595 5 |
b- |
| 196.3 2 |
0.040 5 |
b- |
| 206.17 5 |
50 5 |
b- |
| 218.66 4 |
0.060 5 |
b- |
| 221.36 2 |
0.260 25 |
b- |
| 224.10 2 |
0.095 10 |
b- |
| 231.7 2 |
0.038 4 |
b- |
| 242.11 2 |
1.95 20 |
b- |
| 269.0 2 |
0.020 4 |
b- |
| 351.7 2 |
0.018 4 |
b- |
| 377.6 2 |
0.060 5 |
b- |
| 415.0 2 |
0.016 3 |
b- |
| 455.37 7 |
0.009 2 |
b- |
| 474.5 3 |
0.040 4 |
b- |
| 619.9 2 |
0.036 4 |
b- |
| 696.9 2 |
0.023 4 |
b- |
| 707.5 2 |
0.445 20 |
b- |
| 723.4 4 |
0.015 2 |
b- |
| 782.8 2 |
0.43 4 |
b- |
| 831.58 5 |
0.0180 25 |
b- |
| 846.72 8 |
0.035 7 |
b- |
| 853.8 2 |
0.080 5 |
b- |
| 869.6 2 |
0.065 20 |
b- |
| 913.7 4 |
0.075 10 |
b- |
| 929.5 2 |
0.07 1 |
b- |
| 963.6 2 |
0.07 1 |
b- |
| 966.2 2 |
0.035 7 |
b- |
| 982.9 2 |
0.036 7 |
b- |
| 1025.0 4 |
0.030 5 |
b- |
| 1043.6 2 |
0.033 4 |
b- |
| 1060.3 2 |
0.46 4 |
b- |
| 1068.1 2 |
0.022 4 |
b- |
| 1085.2 2 |
0.23 3 |
b- |
| 1101.1 2 |
0.250 25 |
b- |
| 1114.3 2 |
0.037 7 |
b- |
| 1122.4 2 |
0.06 1 |
b- |
| 1133.6 2 |
0.037 4 |
b- |
| 1138.5 2 |
0.150 15 |
b- |
| 1153.9 2 |
0.270 25 |
b- |
| 1156.75 9 |
0.022 5 |
b- |
| 1160.5 2 |
0.036 4 |
b- |
| 1171.7 2 |
0.245 25 |
b- |
| 1182.1 3 |
0.035 4 |
b- |
| 1190.4 3 |
0.0115 20 |
b- |
| 1198.0 2 |
0.044 8 |
b- |
| 1225.2 2 |
0.0140 25 |
b- |
| 1238.6 3 |
0.027 4 |
b- |
| 1249.1 2 |
0.019 4 |
b- |
| 1254.4 4 |
0.0070 15 |
b- |
| 1257.5 3 |
0.0130 25 |
b- |
| 1281.0 3 |
0.0120 25 |
b- |
| 1291.6 2 |
0.024 4 |
b- |
| 1295.6 1 |
0.0140 25 |
b- |
| 1321.6 2 |
0.135 10 |
b- |
| 1327.6 2 |
0.115 10 |
b- |
| 1343.3 3 |
0.012 2 |
b- |
| 1377.4 3 |
0.040 5 |
b- |
| 1388.5 3 |
0.030 4 |
b- |
| 1402.5 4 |
0.031 4 |
b- |
| 1436.4 3 |
0.036 4 |
b- |
| 1445.2 4 |
0.018 3 |
b- |
| 1453.4 3 |
0.016 3 |
b- |
| 1502.3 1 |
0.025 5 |
b- |
| 1508.7 4 |
0.0095 20 |
b- |
| 1534.1 4 |
0.019 4 |
b- |
| 1556.5 4 |
0.016 3 |
b- |
| 1579.4 4 |
0.016 3 |
b- |
| 1599.6 4 |
0.0065 20 |
b- |
| 1643.9 3 |
0.016 4 |
b- |
|
X-rays from 222Fr (14.2 m 3)
|
| E (keV) |
I (%) | Assignment |
|
| 10.622 |
0.59 8 |
Ra Ll |
| 12.196 |
1.05 12 |
Ra La2 |
| 12.339 |
9.3 10 |
Ra La1 |
| 13.662 |
0.31 3 |
Ra Lh |
| 14.236 |
0.165 18 |
Ra Lb6 |
| 14.749 |
0.137 24 |
Ra Lb4 |
| 14.825 |
2.4 3 |
Ra Lb2 |
| 15.236 |
12.4 14 |
Ra Lb1 |
| 15.375 |
0.44 5 |
Ra Lb5 |
| 15.447 |
0.139 24 |
Ra Lb3 |
| 17.848 |
2.9 3 |
Ra Lg1 |
| 18.177 |
0.052 10 |
Ra Lg2 |
| 18.353 |
0.055 10 |
Ra Lg3 |
| 18.412 |
0.60 8 |
Ra Lg6 |
| 84.683 |
0.0059 4 |
Ra Ka3 |
| 85.431 |
2.25 16 |
Ra Ka2 |
| 88.471 |
3.7 3 |
Ra Ka1 |
| 99.432 |
0.45 3 |
Ra Kb3 |
| 100.130 |
0.85 6 |
Ra Kb1 |
| 100.739 |
0.0289 23 |
Ra Kb5 |
| 102.948 |
0.323 23 |
Ra Kb2 |
| 103.296 |
0.111 9 |
Ra Kb4 |
Betas from 222Fr (14.2 m 3)
|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|
| 191.8 |
0.10 6 |
b- |
| 211.5 |
0.016 4 |
b- |
| 278.6 |
0.103 16 |
b- |
| 388.1 |
0.12 6 |
b- |
| 413.4 |
0.049 8 |
b- |
| 476.9 |
0.069 10 |
b- |
| 533.5 |
0.117 16 |
b- |
| 593.1 |
0.34 5 |
b- |
| 600.4 |
0.147 21 |
b- |
| 630.4 |
0.65 10 |
b- |
| 657.3 |
0.037 6 |
b- |
| 672.4 |
0.052 9 |
b- |
| 722.8 |
0.022 5 |
b- |
| 768 |
0.34 5 |
b- |
| 807.8 |
0.087 15 |
b- |
| 861.4 |
0.78 11 |
b- |
| 862.1 |
0.07 4 |
b- |
| 1008.1 |
0.85 12 |
b- |
| 1715.71 |
54 9 |
b- |
| 1731.61 |
0.37 6 |
b- |
| 1790.89 |
1.7 4 |
b- |
| 1921.88 |
38 12 |
b- |
| 2033 |
3 3 |
b- |
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