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

215
83

132

0.0

7.6 min 2

(9/2)-

β-

2189.0 15.0

215
84

131

Evaluation: A.L. Nichols Publication cut-off: 30-JUL-2011

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
249 6	2.8 1	1398.8 4	+	790 15	6
287 6	2.0 2	1294.5 1	+	895 15	6.34
332 6	0.2 1	1176.2 20	+	1013 15	7.5
370 6	0.7 1	1077.6 20	+	1111 15	7.1
465 6	1.5 1	835.32 22	+	1354 15	7.1
528 6	0.5 1	676.66 7	+	1512 15	7.8
556 6	0.7 1	608.30 7	(11/2, 13/2)+	1581 15	7.7	1^st unique
593 6	0.3 2	517.60 6	7/2, 9/2+	1671 15	8.1	1^st unique
619 6	0.5 1	401.812 10	5/2+	1787 15	9	1^st unique
685 6	30 6	293.56 4	(11/2)+	1895 15	6.35	1^st unique
808 6	61 6	0	9/2+	2189 15	6.28

Gamma

E_γ [keV]	I_γ-(abs) [%]	Initial level [keV]	J^π	Final level [keV]	Mult.	δ	α_T
130.58 1	0.0093 10	401.812 10	5/2+	271.228	M1+E2	0.60 6	4.44 13
224.04 7	0.033 5	517.60 6	7/2, 9/2+	293.56	E2		0.319 5
271.228 10	1.95 7	271.228 10	7/2+	0	M1+E2	4.0 4	0.201 7
293.56 4	23.8 9	293.56 4	(11/2)+	0	M1+E2	1.0 2	0.34 5
383.10 8	0.14 7	676.66 7	+	293.56
401.81 1	0.48 7	401.812 10	5/2+	0	E2		0.0555 8
405.43 7	0.006 1	676.66 7	+	271.228
517.60 6	1.02 8	517.60 6	7/2, 9/2+	0	M1+E2	1.0 2	0.073 10
541.76 22	0.21 7	835.32 22	+	293.56
564.09 22	0.67 7	835.32 22	+	271.228
608.30 7	0.67 7	608.30 7	(11/2, 13/2)+	0	(M1+E2)
676.66 7	0.40 7	676.66 7	+	0
776.9 1	0.81 14	1294.5 1	+	517.60
784 2	0.33 7	1077.6 20	+	293.56
806.4 20	0.40 7	1077.6 20	+	271.228
835.32 22	0.62 7	835.32 22	+	0
905 2	0.21 7	1176.2 20	+	271.228
1023.3 1	0.62 7	1294.5 1	+	271.228
1105.2 4	1.50 7	1398.8 4	+	293.56
1127.6 4	0.48 7	1398.8 4	+	271.228
1294.5 1	0.62 7	1294.5 1	+	0
1398.8 4	0.81 7	1398.8 4	+	0