| |
|
|---|
| Half life: | 59.1 s 3 | |
|---|
| Jp: | 7+ |
|---|
| Sn (keV): | 7816 98 |
|---|
| Sp (keV): | 1321 97 |
|---|
| | |
|---|
| ENSDF citation: | NDS 47,797 (1986) |
|---|
| Literature cut-off date: | 1-Dec-1985 |
|---|
| Author(s): | M.J. Martin |
|---|
| References since cut-off: |
208Fr decay from 1985-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| a | 90 4 | 6771 50 |
|
| e+b+ | 10 4 | 6989 79 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 208Fr (59.1 s 3)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 81 |
|
e+b+ |
| 88.9 1 |
0.15 3 |
e+b+ |
| 161.6 3 |
0.28 6 |
e+b+ |
| 163.7 5 |
~0.24 |
e+b+ |
| 225.5 2 |
0.075 10 |
e+b+ |
| 298.7 |
0.093 10 |
e+b+ |
| 325.3 1 |
5.2 4 |
e+b+ |
| 335.1 1 |
1.2 5 |
e+b+ |
| 389.2 5 |
0.20 12 |
e+b+ |
| 389.3 3 |
0.47 12 |
e+b+ |
| 469.7 1 |
0.56 4 |
e+b+ |
| 491.9 1 |
0.274 20 |
e+b+ |
| 553.1 1 |
3.04 22 |
e+b+ |
| 635.8 2 |
10 |
e+b+ |
| 636.3 2 |
0.6 3 |
e+b+ |
| 671.6 1 |
0.13 9 |
e+b+ |
| 716.8 1 |
0.4 3 |
e+b+ |
| 719.6 |
0.65 5 |
e+b+ |
| 778.5 1 |
6.8 5 |
e+b+ |
| 887.3 1 |
0.17 4 |
e+b+ |
| 942.5 1 |
0.45 3 |
e+b+ |
| 990.1 1 |
0.40 8 |
e+b+ |
|
X-rays from 208Fr (59.1 s 3)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 10.137 |
0.090 13 |
Rn Ll |
| 11.598 |
0.168 21 |
Rn La2 |
| 11.726 |
1.50 18 |
Rn La1 |
| 12.855 |
0.028 4 |
Rn Lh |
| 13.520 |
0.025 3 |
Rn Lb6 |
| 13.898 |
0.074 16 |
Rn Lb4 |
| 14.066 |
0.39 5 |
Rn Lb2 |
| 14.316 |
1.14 14 |
Rn Lb1 |
| 14.519 |
0.079 17 |
Rn Lb3 |
| 14.564 |
0.064 8 |
Rn Lb5 |
| 16.770 |
0.25 3 |
Rn Lg1 |
| 17.104 |
0.027 6 |
Rn Lg2 |
| 17.258 |
0.030 7 |
Rn Lg3 |
| 17.280 |
0.052 8 |
Rn Lg6 |
| 80.349 |
0.0044 4 |
Rn Ka3 |
| 81.069 |
2.00 18 |
Rn Ka2 |
| 83.787 |
3.3 3 |
Rn Ka1 |
| 94.247 |
0.40 4 |
Rn Kb3 |
| 94.868 |
0.76 7 |
Rn Kb1 |
| 95.449 |
0.0249 24 |
Rn Kb5 |
| 97.530 |
0.28 3 |
Rn Kb2 |
| 97.853 |
0.092 9 |
Rn Kb4 |
Betas from 208Fr (59.1 s 3)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 3349 |
0.0030 23 |
b+ |
| 3422 |
0.004 3 |
b+ |
| 3508.9 |
0.019 11 |
b+ |
| 3611.2 |
0.013 8 |
b+ |
| 3637.7 |
0.004 4 |
b+ |
| 3647.7 |
0.005 3 |
b+ |
| 3789 |
0.012 9 |
b+ |
| 3804.6 |
0.06 5 |
b+ |
| 3839.2 |
0.020 13 |
b+ |
| 4062.3 |
0.01 2 |
b+ |
| 4139.7 |
0.020 22 |
b+ |
| 4142.8 |
0.030 23 |
b+ |
| 4228.4 |
0.12 8 |
b+ |
| 4371 |
0.01 5 |
e |
| 4444 |
0.01 6 |
e |
| 4530.9 |
0.05 22 |
e |
| 4633.2 |
0.03 15 |
e |
| 4659.7 |
0.01 8 |
e |
| 4669.7 |
0.01 5 |
e |
| 4811 |
0.03 14 |
e |
| 4826.6 |
0.1 8 |
e |
| 4861.2 |
0.04 20 |
e |
| 5084.3 |
0.03 20 |
e |
| 5161.7 |
0.0 4 |
e |
| 5164.8 |
0.0 3 |
e |
| 5250.4 |
0.2 9 |
e |
Alphas from 208Fr (59.1 s 3)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 6641 3 |
100 |
|
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