|
|
Half life: | 10.0 d 1 | |
Jp: | (3/2-) |
Sn (keV): | 6663 8 |
Sp (keV): | 4477 7 |
Prod. mode: |
Naturally occurring
|
| |
ENSDF citation: | NDS 60,617 (1990) |
Literature cut-off date: | 1-Jun-1989 |
Author(s): | Y.A. Akovali |
References since cut-off: |
225Ac decay from 1989-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
|
a | 100 | 5935.2 14 |
|
14C | 6.0E-10 13 | |
|
|
Most Recent ENSDF Data (12/2002) |
Mode | Data set name | Display data |
|
TORI Data (1999)
Gammas from 225Ac (10.0 d 1)
|
Eg (keV) |
Ig (%) | Decay mode |
|
10.6 |
|
a |
26.0 1 |
0.00164 22 |
a |
36.65 3 |
0.0174 22 |
a |
38.53 3 |
0.0131 11 |
a |
46.24 5 |
0.0044 22 |
a |
49.09 5 |
0.0076 22 |
a |
57.75 5 |
0.0044 22 |
a |
62.95 3 |
0.447 22 |
a |
64.28 5 |
0.033 3 |
a |
69.79 10 |
0.0054 22 |
a |
71.70 5 |
0.0142 11 |
a |
73.5 1 |
0.0098 22 |
a |
73.86 2 |
0.315 14 |
a |
74.9 2 |
0.0174 22 |
a |
82.6 |
0.16 4 |
a |
87.41 3 |
0.254 12 |
a |
94.90 5 |
0.095 9 |
a |
96.15 5 |
0.031 3 |
a |
99.63 5 |
0.62 3 |
a |
99.91 5 |
1.01 5 |
a |
100.96 5 |
0.070 11 |
a |
103.46 10 |
0.0044 22 |
a |
108.42 4 |
0.251 11 |
a |
111.54 3 |
0.317 14 |
a |
112.8 2 |
0.0022 11 |
a |
119.85 10 |
0.020 4 |
a |
119.87 5 |
0.054 9 |
a |
123.75 5 |
0.072 7 |
a |
124.82 5 |
0.0262 22 |
a |
126.15 10 |
0.0076 22 |
a |
129.25 10 |
0.0033 11 |
a |
133.64 5 |
0.0142 22 |
a |
134.86 5 |
0.031 3 |
a |
138.2 |
0.022 11 |
a |
144.7 2 |
~0.0005 |
a |
145.17 5 |
0.146 7 |
a |
150.04 2 |
0.80 3 |
a |
152.63 5 |
0.0174 22 |
a |
153.92 5 |
0.187 9 |
a |
157.26 2 |
0.360 22 |
a |
168.86 13 |
0.0185 22 |
a |
170.98 20 |
0.008 3 |
a |
178.36 4 |
0.0142 11 |
a |
179.8 2 |
0.0076 22 |
a |
186.38 4 |
0.020 4 |
a |
188.00 5 |
0.54 3 |
a |
195.78 5 |
0.163 11 |
a |
197.77 12 |
|
a |
197.77 12 |
0.060 5 |
a |
198.7 1 |
0.024 5 |
a |
216.90 5 |
0.32 7 |
a |
224.64 5 |
0.096 9 |
a |
231.3 2 |
0.0022 11 |
a |
240.6 2 |
0.0076 22 |
a |
243.2 1 |
0.0013 5 |
a |
249.5 2 |
0.012 5 |
a |
253.54 5 |
0.123 5 |
a |
256.0 2 |
0.00033 11 |
a |
273.5 3 |
|
a |
279.26 4 |
0.0185 22 |
a |
282.1 2 |
0.0044 22 |
a |
284.8 1 |
0.0044 22 |
a |
348.5 1 |
0.0033 11 |
a |
354.8 2 |
0.0016 4 |
a |
362.5 1 |
0.0065 22 |
a |
375.2 1 |
0.0033 11 |
a |
403.1 1 |
0.0014 4 |
a |
406.1 1 |
0.0076 22 |
a |
418.1 1 |
0.0054 11 |
a |
452.4 1 |
0.118 10 |
a |
458.8 2 |
0.0054 22 |
a |
462.4 4 |
0.0017 9 |
a |
469.5 3 |
0.0044 11 |
a |
481.05 5 |
0.033 3 |
a |
496.9 3 |
0.0016 8 |
a |
515.40 5 |
0.0196 22 |
a |
517.78 5 |
0.0142 22 |
a |
522.3 1 |
0.0016 4 |
a |
526.09 5 |
0.032 3 |
a |
529.9 1 |
0.007 3 |
a |
531.3 1 |
0.0044 11 |
a |
538.1 |
<0.0011 |
a |
538.1 1 |
<0.0022 |
a |
552.0 1 |
0.0044 11 |
a |
571.0 1 |
0.0044 11 |
a |
594.2 1 |
0.0017 9 |
a |
601.1 1 |
~0.0007 |
a |
601.1 1 |
0.0031 9 |
a |
603.3 1 |
0.0022 11 |
a |
649.2 1 |
0.0014 4 |
a |
679.7 |
|
a |
679.7 1 |
0.00087 22 |
a |
747.0 1 |
0.0013 4 |
a |
753.7 3 |
0.00087 22 |
a |
758.7 1 |
0.0054 11 |
a |
|
X-rays from 225Ac (10.0 d 1)
|
E (keV) |
I (%) | Assignment |
|
10.381 |
0.45 6 |
Fr Ll |
11.896 |
0.82 8 |
Fr La2 |
12.031 |
7.3 7 |
Fr La1 |
13.255 |
0.174 17 |
Fr Lh |
13.877 |
0.126 12 |
Fr Lb6 |
14.319 |
0.36 6 |
Fr Lb4 |
14.443 |
1.88 18 |
Fr Lb2 |
14.770 |
7.0 7 |
Fr Lb1 |
14.967 |
0.34 3 |
Fr Lb5 |
14.978 |
0.38 6 |
Fr Lb3 |
17.302 |
1.59 16 |
Fr Lg1 |
17.635 |
0.136 24 |
Fr Lg2 |
17.800 |
0.15 3 |
Fr Lg3 |
17.839 |
0.33 4 |
Fr Lg6 |
82.496 |
0.00281 21 |
Fr Ka3 |
83.231 |
1.17 8 |
Fr Ka2 |
86.105 |
1.94 14 |
Fr Ka1 |
96.815 |
0.232 17 |
Fr Kb3 |
97.474 |
0.44 3 |
Fr Kb1 |
98.068 |
0.0149 12 |
Fr Kb5 |
100.214 |
0.167 12 |
Fr Kb2 |
100.548 |
0.056 5 |
Fr Kb4 |
Alphas from 225Ac (10.0 d 1)
|
Ea (keV) |
Ia (%) |
|
4902 5 |
0.0020 5 |
5021 |
<0.001 |
5031 |
<0.001 |
5067 5 |
0.003 1 |
5092 4 |
0.006 1 |
5131 5 |
0.0020 8 |
5161 5 |
0.0020 8 |
5193 |
<0.002 |
5202 5 |
0.0020 5 |
5211 3 |
0.030 3 |
5239 4 |
0.0030 8 |
5270 4 |
0.014 5 |
5286 3 |
0.23 1 |
5321 3 |
0.07 1 |
5343 |
<0.001 |
5356 |
<0.001 |
5378 |
<0.001 |
5391 4 |
0.0010 5 |
5415 4 |
0.0020 5 |
5427 4 |
<0.003 |
5436 4 |
0.07 2 |
5443 3 |
0.14 1 |
5468 |
<0.001 |
5489 4 |
0.0020 7 |
5497 4 |
<0.003 |
5517 7 |
~0.005 |
5525 5 |
0.007 3 |
5540 4 |
0.015 |
5545 4 |
0.03 1 |
5554 4 |
0.1 |
5563 4 |
0.034 |
5580 3 |
1.2 1 |
5598 4 |
0.04 |
5609 3 |
1.1 1 |
5637 2 |
4.4 3 |
5682 2 |
1.3 2 |
5724 3 |
3.1 5 |
5731 2 |
0.87 23 |
5732 2 |
1.32 10 |
5732 2 |
8.0 5 |
5790.6 22 |
8.6 9 |
5792.5 22 |
18.1 20 |
5805 2 |
0.3 |
5830 2 |
50.7 15 |
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