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
237
93
Np
144
0.0
2.144 x 10
6
y
7
5/2+
α
4958.3
12.0
233
91
Pa
142
Evaluation
: V.Chechev, V.Chechev, V.Chechev
Publication cut-off
: 31-OCT-2007
ENSDF
Summary
General Comments
•
•
Alpha
E
α
[keV]
I
α
(abs)
[%]
Daughter level
[keV]
J
π
HF
4515.1
19
0.038
4
365.93
8
9/2+
65
4550.5
22
0.011
3
6.654
25
1/2-
84000
4573
3
0.048
23
303.59
7
(9/2+)+
139
4578.6
14
0.393
23
300.48
3
7/2++
19.1
4599.1
18
0.373
9
279.71
3
(7/2+)+
27
4619.7
21
0.032
8
257.1
4
5/2-
46000
4640
1
6.43
3
237.895
13
5/2+
3.14
4665.0
9
3.46
3
212.342
18
5/2+
8.9
4676.4
0.38
2
201.594
19
3/2+
4698.2
8
0.535
10
179.1
4
(9/2-)-
99
4708.3
20
169.152
20
1/2+
56
4712.3
20
1.174
13
163.34
10
(11/2-)-
51
4741.3
20
0.019
133.2
10
(11/2+)+
5932
4766.5
8
9.5
3
109.04
5
9/2+
17.9
4771.4
8
23.0
3
103.636
20
7/2+
7.8
4788.0
9
47.64
6
86.469
9
5/2+
5
4803.5
10
2.02
2
70.510
25
5/2-
152
4816.8
10
2.430
17
57.101
14
7/2-
156
4866.4
14
0.51
3
6.654
25
1/2-
1570
4872.7
14
2.41
3
0
3/2-
387
Gamma
E
γ
[keV]
I
γ-
(abs)
[%]
Initial level
[keV]
J
π
Final level
[keV]
J
π
Mult.
δ
α
T
I
Tot
[%]
5.18
0.220
5
109.04
5
9/2+
103.636
8.22
5
0.12
5
94.645
16
3/2+
86.469
21.5
0.352
13
27.7
0.84
7
29.374
20
14.3
6
86.469
9
5/2+
57.101
E1
3.07
6
36.32
2
0.005
1
237.895
13
5/2+
201.594
M1+E2
0.11
5
99
20
46.53
6
0.109
4
103.636
20
7/2+
57.101
[E1]
0.914
18
57.104
20
0.381
21
57.101
14
7/2-
0
E2
176
4
62.59
10
0.006
2
300.48
3
7/2++
237.895
[M1+E2]
1
1
60
50
63.9
1
0.0107
4
70.510
25
5/2-
6.654
(E2)
102.3
20
70.49
10
0.0107
4
70.510
25
5/2-
0
[M1+E2]
1
1
38
26
74.54
10
0.012
3
169.152
20
1/2+
94.645
[M1]
9.84
20
86.477
10
12.26
12
86.469
9
5/2+
0
E1
1.43
8
87.99
3
0.143
3
94.645
16
3/2+
6.654
[E1]
0.169
4
94.64
5
0.66
7
94.645
16
3/2+
0
E1
0.140
3
106.15
25
0.0509
29
163.34
10
(11/2-)-
57.101
[E2]
9.28
19
108.7
0.071
3
212.342
18
5/2+
103.636
M1+E2
0.22
3.5
6
115.40
35
0.0026
8
201.594
19
3/2+
86.469
[M1+E2]
10
4
117.702
20
0.171
4
212.342
18
5/2+
94.645
M1+E2
0.30
9
12.2
6
131.101
25
0.084
5
201.594
19
3/2+
70.510
E1
0.262
5
134.285
20
0.069
5
237.895
13
5/2+
103.636
[M1+E2]
0.4
2
8.0
11
139.9
1
0.0046
4
303.59
7
(9/2+)+
163.34
[E1]
0.225
5
143.249
20
0.42
4
237.895
13
5/2+
94.645
M1+E2
0.29
3
6.94
14
151.414
20
0.234
2
237.895
13
5/2+
86.469
M1+E2
0.70
15
4.9
6
153.37
10
0.007
2
365.93
8
9/2+
212.342
[E2]
1.96
4
155.239
20
0.088
8
212.342
18
5/2+
57.101
E1
0.176
4
162.41
8
0.033
1
169.152
20
1/2+
6.654
[E1]
0.158
3
169.156
20
0.0672
3
169.152
20
1/2+
0
[E1]
0.143
3
170.59
6
0.020
4
279.71
3
(7/2+)+
109.04
[M1+E2]
0.4
2
4.0
5
176.12
6
0.015
3
279.71
3
(7/2+)+
103.636
[M1+E2]
0.4
2
3.7
5
180.81
10
0.016
1
237.895
13
5/2+
57.101
[E1]
0.1223
25
186.86
35
0.003
3
365.93
8
9/2+
179.1
[E1]
0.1131
23
191.46
5
0.019
1
300.48
3
7/2++
109.04
[M1+E2]
0.4
2
2.9
4
193.26
5
0.044
1
279.71
3
(7/2+)+
86.469
[M1+E2]
0.4
2
2.8
4
194.67
20
0.033
1
303.59
7
(9/2+)+
109.04
194.95
3
0.174
20
201.594
19
3/2+
6.654
E1
0.1024
21
196.86
5
0.0210
1
300.48
3
7/2++
103.636
[M1+E2]
0.4
2
2.7
3
199.95
6
0.0053
8
303.59
7
(9/2+)+
103.636
[M1]
2.85
6
201.62
5
0.0392
9
201.594
19
3/2+
0
E1
0.0946
19
202.9
2
0.0048
19
365.93
8
9/2+
163.34
[E1]
0.0932
19
209.19
5
0.0150
15
279.71
3
(7/2+)+
70.510
[E1]
0.0868
17
212.29
5
0.17
1
212.342
18
5/2+
0
E1
0.0839
17
214.01
5
0.037
2
300.48
3
7/2++
86.469
[M1+E2]
0.4
2
2.1
3
222.6
2
0.002
2
279.71
3
(7/2+)+
57.101
229.94
5
0.014
3
300.48
3
7/2++
70.510
[E1]
0.0697
14
237.86
2
0.0573
6
237.895
13
5/2+
0
[E1]
0.0645
13
248.95
10
0.005
1
306.05
10
(7/2+)+
57.101
[M1+E2]
0.4
2
1.37
16
257.09
20
0.02
1
365.93
8
9/2+
109.04
[M1]
1.41
3
262.44
20
0.0048
2
365.93
8
9/2+
103.636
[M1]
1.33
3
279.65
20
0.0108
4
365.93
8
9/2+
86.469
[E2]
0.222
5
288.3
0.0162
5
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ENSDF 
Summary ENSDF Summary