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
224
88
Ra
136
0.0
3.631 d
2
0+
α
5788.85
15.0
220
86
Rn
134
Evaluation
: A.L. Nichols, A.L. Nichols
Publication cut-off
: 30-DEC-2003
ENSDF
Summary
General Comments
•
•
Alpha
E
α
[keV]
I
α
(abs)
[%]
Daughter level
[keV]
J
π
HF
5034.29
18
0.0030
5
663.03
10
(3)-
6.4
5051.56
17
0.0076
10
645.44
9
1-
3.7
5161.32
18
0.0072
8
533.69
10
4+
17.9
5448.80
15
5.25
5
240.986
6
2+
1.04
5685.48
15
94.73
5
0
0+
1
Gamma
E
γ
[keV]
I
γ-
(abs)
[%]
Initial level
[keV]
J
π
Final level
[keV]
J
π
Mult.
δ
α
T
I
Tot
[%]
240.986
6
4.12
4
240.986
6
2+
0
E2
0.276
4
292.7
1
0.0063
7
533.69
10
4+
240.986
E2
0.1487
21
404.45
9
0.0022
5
645.44
9
1-
240.986
E1
0.01717
24
422.04
10
0.0030
5
663.03
10
(3)-
240.986
[E1]
0.01567
22
645.44
9
0.0054
9
645.44
9
1-
0
E1
0.00663
10
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ENSDF 
Summary ENSDF Summary