| |
|
| Half life: | 32760 y 110 | |
| Jp: | 3/2- |
| Sn (keV): | 6817 3 |
| Sp (keV): | 4725.2 17 |
| Prod. mode: |
Naturally occurring
|
| | |
| ENSDF citation: | NDS 70,387 (1993) |
| Literature cut-off date: | 1-Aug-1993 |
| Author(s): | M.R. Schmorak |
| References since cut-off: |
231Pa decay from 1993-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
References |
| a | 100 | 5149.9 8 |
79Te02 82An02 70De19 |
| SF | <1.6E- 11 | |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 231Pa (32760 y 110)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 10.9 5 |
|
a |
| 12.4 5 |
|
a |
| 14.1 1 |
|
a |
| 15.5 5 |
|
a |
| 16.5 1 |
0.31 9 |
a |
| 18.2 5 |
|
a |
| 19 |
0.37 12 |
a |
| 19.6 |
|
a |
| 22.7 |
|
a |
| 23.6 |
0.0048 10 |
a |
| 24.7 2 |
~0.005 |
a |
| 25.51 6 |
0.117 17 |
a |
| 27.0 |
|
a |
| 27.36 1 |
10.3 4 |
a |
| 29.96 2 |
0.109 7 |
a |
| 31.00 5 |
0.010 3 |
a |
| 31.54 5 |
0.0070 24 |
a |
| 34.0 |
|
a |
| 35.83 3 |
0.0161 9 |
a |
| 38.19 1 |
0.160 9 |
a |
| 39.73 3 |
0.0024 17 |
a |
| 39.97 2 |
0.013 3 |
a |
| 42.48 5 |
0.0059 12 |
a |
| 43.05 5 |
0.0070 3 |
a |
| 44.15 1 |
0.065 5 |
a |
| 46.36 2 |
0.223 9 |
a |
| 50.9 1 |
0.00155 7 |
a |
| 52.73 2 |
0.085 5 |
a |
| 54.60 2 |
0.077 5 |
a |
| 56.76 4 |
0.0061 14 |
a |
| 57.18 3 |
0.0029 5 |
a |
| 57.18 3 |
0.027 3 |
a |
| 60.50 3 |
0.0065 10 |
a |
| 63.65 2 |
0.050 4 |
a |
| 70.50 5 |
0.0070 14 |
a |
| 71.90 7 |
0.0019 10 |
a |
| 72.7 1 |
0.0037 14 |
a |
| 74.15 4 |
0.024 3 |
a |
| 77.34 3 |
0.0733 24 |
a |
| 96.0 |
|
a |
| 96.84 3 |
0.095 5 |
a |
| 100.84 5 |
0.030 4 |
a |
| 102.6 5 |
<0.014 |
a |
| 106.0 5 |
|
a |
| 124.58 6 |
0.0048 12 |
a |
| 144.39 6 |
0.0119 10 |
a |
| 198.89 9 |
0.0049 7 |
a |
| 230 1 |
0.0017 9 |
a |
| 242.2 1 |
0.0090 14 |
a |
| 243.10 6 |
0.048 3 |
a |
| 245.6 1 |
0.0078 9 |
a |
| 245.99 6 |
0.0110 15 |
a |
| 255.77 5 |
0.112 5 |
a |
| 258.38 7 |
0.0024 4 |
a |
| 260.19 6 |
0.1878 24 |
a |
| 273.14 5 |
0.0597 22 |
a |
| 277.32 1 |
0.069 3 |
a |
| 283.69 1 |
1.7 |
a |
| 286.55 10 |
0.0100 15 |
a |
| 300.07 1 |
2.46 7 |
a |
| 302.65 5 |
0.68 10 |
a |
| 302.65 1 |
2.2 3 |
a |
| 310.0 1 |
0.0015 5 |
a |
| 312.92 4 |
0.102 3 |
a |
| 318.1 7 |
0.0034 17 |
a |
| 327.14 7 |
0.038 4 |
a |
| 330.06 1 |
1.396 20 |
a |
| 340.74 5 |
0.181 3 |
a |
| 351.51 7 |
0.0073 14 |
a |
| 354.47 5 |
0.100 3 |
a |
| 357.12 9 |
0.175 7 |
a |
| 359.3 1 |
0.009 1 |
a |
| 363.84 7 |
0.0078 7 |
a |
| 374.93 1 |
0.0049 7 |
a |
| 379.35 7 |
0.0503 15 |
a |
| 384.70 7 |
0.0037 5 |
a |
| 387.0 1 |
0.00049 17 |
a |
| 391.60 7 |
0.0078 7 |
a |
| 395.50 7 |
0.00224 25 |
a |
| 398.15 6 |
0.0088 10 |
a |
| 407.81 2 |
0.0362 19 |
a |
| 410.3 1 |
0.0032 5 |
a |
| 427 1 |
0.0007 3 |
a |
| 435.1 1 |
0.00311 15 |
a |
| 438.01 7 |
0.0046 4 |
a |
| 438.7 1 |
0.0015 5 |
a |
| 486.83 2 |
0.0020 3 |
a |
| 490.8 4 |
0.00053 10 |
a |
| 501.4 1 |
0.0008 3 |
a |
| 510.0 2 |
0.0012 3 |
a |
| 516.2 2 |
0.0010 3 |
a |
| 535.6 2 |
0.00059 10 |
a |
| 546.7 5 |
0.00087 20 |
a |
| 571.8 5 |
0.00053 10 |
a |
| 583 1 |
0.00442 17 |
a |
| 609 1 |
0.0073 3 |
a |
|
X-rays from 231Pa (32760 y 110)
|
| E (keV) |
I (%) | Assignment |
|
| 10.871 |
1.11 13 |
Ac Ll |
| 12.500 |
1.94 16 |
Ac La2 |
| 12.651 |
17.3 14 |
Ac La1 |
| 14.082 |
0.287 24 |
Ac Lh |
| 14.601 |
0.309 25 |
Ac Lb6 |
| 15.191 |
2.5 4 |
Ac Lb4 |
| 15.212 |
4.5 4 |
Ac Lb2 |
| 15.711 |
11.2 10 |
Ac Lb1 |
| 15.790 |
0.86 7 |
Ac Lb5 |
| 15.931 |
2.4 4 |
Ac Lb3 |
| 18.405 |
2.61 22 |
Ac Lg1 |
| 18.734 |
0.96 16 |
Ac Lg2 |
| 18.922 |
0.98 17 |
Ac Lg3 |
| 18.997 |
0.56 6 |
Ac Lg6 |
| 86.910 |
0.00220 9 |
Ac Ka3 |
| 87.675 |
0.785 25 |
Ac Ka2 |
| 90.886 |
1.28 4 |
Ac Ka1 |
| 102.101 |
0.156 5 |
Ac Kb3 |
| 102.841 |
0.298 9 |
Ac Kb1 |
| 103.461 |
0.0103 5 |
Ac Kb5 |
| 105.738 |
0.113 4 |
Ac Kb2 |
| 106.098 |
0.0384 18 |
Ac Kb4 |
Alphas from 231Pa (32760 y 110)
|
| Ea (keV) |
Ia (%) |
|
| 4410 10 |
~0.001 |
| 4508 2 |
0.003 |
| 4566 2 |
0.008 |
| 4599 2 |
0.015 |
| 4632 2 |
~0.1 |
| 4643 2 |
~0.1 |
| 4681 2 |
1.5 |
| 4713 2 |
~1 |
| 4736.0 8 |
8.4 |
| 4795 2 |
0.04 |
| 4853 2 |
1.4 |
| 4900 2 |
0.002 |
| 4934 2 |
3.0 |
| 4951.3 14 |
22.8 |
| 4975 2 |
0.4 |
| 4986 2 |
1.4 |
| 5013.8 14 |
25.4 |
| 5028.4 10 |
20.0 |
| 5032 2 |
~2.5 |
| 5058.6 15 |
11.0 |
|
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