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
207
81
Tl
126
0.0
4.774 min
12
1/2+
β-
1418.0
5.0
207
82
Pb
125
Evaluation
: F.Kondev
Publication cut-off
: 12-DEC-2010
ENSDF
Summary
General Comments
•
•
Beta -
<E
β-
>
[keV]
I
β-
(abs)
[%]
Daughter level
[keV]
J
π
E
β-, max
[keV]
log
ft
Transition type
155.0
17
0.271
10
897.698
17
3/2-
520
5
6.15
1
st
unique
273.2
18
0.00008
569.6982
20
5/2-
848
5
10.8
1
st
unique
492.5
21
99.729
10
0
0
1/2-
1418
5
5.11
Gamma
E
γ
[keV]
I
γ-
(abs)
[%]
Initial level
[keV]
J
π
Final level
[keV]
J
π
Mult.
δ
α
T
I
Tot
[%]
328.10
12
0.00142
14
897.698
17
3/2-
569.6982
[M1]
0.334
5
569.698
2
0.00185
19
569.6982
20
5/2-
0
E2
0.0216
3
897.77
12
0.263
9
897.698
17
3/2-
0
M1+E2
0.091
9000
0.0233
4
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ENSDF 
Summary ENSDF Summary