Evaluation made within an IAEA Coordinated Reserch Project
—
For atomic radiation data, please refer to the pdf files linked below
Parent
Energy [keV]
Half-life
J
π
Decay
Q [keV]
Daughter
228
88
Ra
140
0.0
5.75 y
4
0+
β-
45.8
7.0
228
89
Ac
139
Evaluation
: A.Luca
Publication cut-off
: 31-DEC-2008
ENSDF
Summary
General Comments
•
•
Beta -
<E
β-
>
[keV]
I
β-
(abs)
[%]
Daughter level
[keV]
J
π
E
β-, max
[keV]
log
ft
Transition type
3.2
2
30
10
33.07
11
1+
12.7
7
5.11
6.5
2
8.7
9
20.19
3
1-
25.6
7
6.2
1
st
unique
9.9
2
49
10
6.67
2
1+
39.1
7
6.45
10.0
2
12
10
6.28
3
1-
39.5
7
7.07
1
st
unique
Gamma
E
γ
[keV]
I
γ-
(abs)
[%]
Initial level
[keV]
J
π
Final level
[keV]
J
π
Mult.
δ
α
T
I
Tot
[%]
6.28
3
1.8E-6
15
6.28
3
1-
0
M2
6.68E6
19
6.67
2
0.000057
9
6.67
2
1+
0
E2
1.56E6
4
12.88
11
0.30
6
33.07
11
1+
20.19
E1
6.67
18
13.520
36
1.6
1
20.19
3
1-
6.67
E1
5.86
10
26.40
11
0.14
5
33.07
11
1+
6.67
M1+E2
0.07
201
4
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ENSDF 
Summary ENSDF Summary