Decay details

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

238
93

Np

145

0.0

2.102 d 5

2+

β-

1291.5 4.0

238
94

Pu

144

Evaluation: V.P Chechev. N.K. Kuzmenko Publication cut-off: 30-NOV-2006

General Comments

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•

Beta -

<E_β-> [keV]	I_β-(abs) [%]	Daughter level [keV]	J^π	E_{β-, max} [keV]	logft	Transition type
23.0 2	0.51 6	1202.46 8	(3)-	89.0 4	6.57	1^st unique
59.9 2	11.50 7	1069.94 2	3+	221.6 4	6.44
72.0 2	44.75 19	1028.54 2	2+	263.0 4	6.09
84.9 2	0.49 1	985.45 5	2-	306.0 4	8.25
85.6 2	0.27 3	983.09 7	2+	308.4 4	8.51
90.1 2	0.082 6	968.2 4	(2)-	323.3 6	9.11
91.8 2	1.25 1	962.78 2	1-	328.7 4	7.95	1^st unique
189.2 2	0.036 3	661.40 6	3-	630.1 4	10.44	1^st unique
208.4 2	0.103 3	605.14 4	1-	686.4 4	10.08	1^st unique
412.2 2	41.0 25	44.08 2	2+	1247.4 4	8.38

Gamma

E_γ [keV]	I_γ-(abs) [%]	Initial level [keV]	J^π	Final level [keV]	J^π	Mult.	δ	α_T	I_Tot [%]
44.07 2	0.1024 21	44.08 2	2+	0		E2		788 16
101.88 2	0.252 8	145.95 2	4+	44.08		E2		14.5 3
103.74 2	0.312 3
114.4 4	0.0058 10	1082.56 6	(4)-	968.2		[E2]		8.47 17
116.27 8	0.04
117.27 8	0.074
120.11 5	0.101 5	1202.46 8	(3)-	1082.56		M1(+E2)		3.8 6
120.5	0.02
121.70 8	0.010 1
132.5 1	0.0014 8	1202.46 8	(3)-	1069.94		[E1]		0.267 5
157.42 5	0.001	303.38 6	6+	145.95		[E2]		2.19 4
174.08 5	0.0229 8	1202.46 8	(3)-	1028.54		[E1]		0.142 3
220.87 11	0.0030 5					(M2)		11.4 20
301.37 7	0.0106 10	962.78 2	1-	661.40		E2		0.208 4
319.29 11	0.0083 10	1082.56 6	(4)-	763.24		M1+E2	1.0 5	0.59 25
321.75 20	0.0013 8	983.09 7	2+	661.40
324.02 9	0.0146 8	985.45 5	2-	661.40		M1+E2	2.8 8	0.26 7
336.36 15	0.0002 1	941.46 8	0+	605.14		[E1]		0.0324 7
357.64 7	0.0504 13	962.78 2	1-	605.14		M1+E2	2.43 20	0.214 16
378.05 13	0.0030 5	983.09 7	2+	605.14
380.31 10	0.0111 5	985.45 5	2-	605.14		[M1]		0.623 9
421.1 1	0.021 1	1082.56 6	(4)-	661.40		[M1]		0.472 7
459.8 2	0.0023 15	763.24 11	5-	303.38
515.51 7	0.0378 11	661.40 6	3-	145.95		E1+M2	0.114 17	0.022 4
561.14 5	0.106 2	605.14 4	1-	44.08		E1		0.0115 2
605.16 5	0.077 2	605.14 4	1-	0		E1		0.0100 2
617.39 5	0.0593	661.40 6	3-	44.08		E1+M2	0.077 17	0.0120 14
617.4	0.008	763.24 11	5-	145.95
836.96 7	0.0206 8	983.09 7	2+	145.95		[E2]		0.0174 4
882.63 3	0.803 9	1028.54 2	2+	145.95		(E2)		0.0157 3
885	0.040 5
897.34 10	0.0073 10	941.46 8	0+	44.08		(E2)		0.0152 3
918.70 4	0.529 6	962.78 2	1-	44.08		E1		0.0047 1
923.99 2	2.604 20	1069.94 2	3+	145.95		(M1+E2)		0.014 1
924	0.065	968.2 4	(2)-	44.08
936.60 5	0.365 5	1082.56 6	(4)-	145.95		[E1+M2]	-0.24 4	0.0112 22
938.94 10	0.0327 25	983.09 7	2+	44.08		+E2		4.4 4
941.40 4	0.504 6	985.45 5	2-	44.08		[E1+M2]
962.76 2	0.645 8	962.78 2	1-	0		E1		0.00433 9
968.9 4	0.015 8	968.2 4	(2)-	0		[M2]		0.116 3
983.0 3	0.068 20	983.09 7	2+	0		[E2]		0.0128 3
984.45 2	25.18 13	1028.54 2	2+	44.08		M1+E2		0.0125 5
1025.87 2	8.76 6	1069.94 2	3+	44.08		M1+E2		0.0120 5
1028.54 2	18.25 13	1028.54 2	2+	0		E2		0.0117 2