|
|
Half life: | 29.37 h 12 | |
Jp: | (1) |
Sn (keV): | 5399 8 |
Sp (keV): | 4974 4 |
| |
ENSDF citation: | NDS 77,433 (1996) |
Literature cut-off date: | 1-Feb-1996 |
Author(s): | Y.A. Akovali |
References since cut-off: |
226Ac decay from 1996-98 (NSR)
|
|
Decay properties: |
Mode | Branching (%) | Q-value (keV) |
|
a | 6E-3 2 | 5536 21 |
|
b- | 83 3 | 1117 5 |
|
e | 17 3 | 640 3 |
|
|
Data sets: |
Mode | Data set name | Display data |
|
Gammas from 226Ac (29.37 h 12)
|
Eg (keV) |
Ig (%) | Decay mode |
|
67.67 1 |
0.11 3 |
e |
72.20 4 |
0.56 13 |
b- |
81.0 5 |
0.0018 4 |
b- |
154.23 3 |
0.00075 19 |
b- |
158.18 3 |
17.5 5 |
b- |
186.05 1 |
4.8 3 |
e |
230.37 5 |
27 |
b- |
235.3 1 |
0.043 8 |
b- |
253.73 1 |
5.7 4 |
e |
540.4 3 |
0.048 8 |
b- |
574.8 3 |
0.070 8 |
b- |
617.4 4 |
0.043 8 |
b- |
|
X-rays from 226Ac (29.37 h 12)
|
E (keV) |
I (%) | Assignment |
|
10.622 |
0.20 3 |
Ra Ll |
11.118 |
0.27 6 |
Th Ll |
12.196 |
0.36 4 |
Ra La2 |
12.339 |
3.2 3 |
Ra La1 |
12.809 |
0.46 10 |
Th La2 |
12.968 |
4.1 9 |
Th La1 |
13.662 |
0.062 8 |
Ra Lh |
14.236 |
0.057 5 |
Ra Lb6 |
14.511 |
0.13 3 |
Th Lh |
14.749 |
0.19 3 |
Ra Lb4 |
14.825 |
0.84 8 |
Ra Lb2 |
14.970 |
0.075 16 |
Th Lb6 |
15.236 |
2.5 3 |
Ra Lb1 |
15.375 |
0.154 15 |
Ra Lb5 |
15.447 |
0.20 3 |
Ra Lb3 |
15.605 |
1.08 23 |
Th Lb2 |
15.641 |
0.058 12 |
Th Lb4 |
16.202 |
4.9 12 |
Th Lb1 |
16.209 |
0.21 5 |
Th Lb5 |
16.426 |
0.056 11 |
Th Lb3 |
17.848 |
0.57 8 |
Ra Lg1 |
18.177 |
0.073 12 |
Ra Lg2 |
18.353 |
0.077 13 |
Ra Lg3 |
18.412 |
0.120 19 |
Ra Lg6 |
18.980 |
1.1 3 |
Th Lg1 |
19.304 |
0.023 5 |
Th Lg2 |
19.505 |
0.023 5 |
Th Lg3 |
19.599 |
0.25 6 |
Th Lg6 |
84.683 |
0.0094 3 |
Ra Ka3 |
85.431 |
3.60 11 |
Ra Ka2 |
88.471 |
5.93 17 |
Ra Ka1 |
89.178 |
0.00322 12 |
Th Ka3 |
89.957 |
1.07 3 |
Th Ka2 |
93.350 |
1.74 5 |
Th Ka1 |
99.432 |
0.714 21 |
Ra Kb3 |
100.130 |
1.36 4 |
Ra Kb1 |
100.739 |
0.0462 21 |
Ra Kb5 |
102.948 |
0.516 15 |
Ra Kb2 |
103.296 |
0.177 8 |
Ra Kb4 |
104.819 |
0.212 6 |
Th Kb3 |
105.604 |
0.405 12 |
Th Kb1 |
106.239 |
0.0144 7 |
Th Kb5 |
108.583 |
0.155 4 |
Th Kb2 |
108.955 |
0.0542 24 |
Th Kb4 |
Betas from 226Ac (29.37 h 12)
|
Eb endpoint (keV) |
Ib (%) | Decay mode |
|
269,2 |
0.092 13 |
b- |
311,8 |
0.071 10 |
b- |
386,27 |
11.3 22 |
e |
572,33 |
1.6 |
e |
640 |
4 4 |
e |
886,63 |
49 4 |
b- |
1044,8 |
10 |
b- |
1117 |
24 9 |
b- |
Alphas from 226Ac (29.37 h 12)
|
Ea (keV) |
Ia (%) |
|
5399 5 |
100 |
|
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