151 Dy
66 85
Half life: 17.9 m 3
Jp: 7/2(-)
Decay mode: e+b+, a
Sn (keV): 7513 5
Sp (keV): 4937 8
Prod. mode: Charged particle reaction
Literature cut-off date: 15-Jan-1997
Author(s): B. Singh
ENSDF citation: NDS 80, 263 (1997)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 94.4 4 2870 5
a 5.6 4 4180 3

Gammas from 151Dy (17.9 m 3)

Eg (keV) Ig (%) Decay mode
22.92 2 3.00 4 e+b+
27.1 1 e+b+
49.46 2 18.0 3 e+b+
72.50 10 0.096 17 e+b+
160.40 2 0.39 4 e+b+
163.04 4 0.18 4 e+b+
176.40 1 10.60 14 e+b+
204.03 2 0.70 8 e+b+
226.3 3 0.24 5 e+b+
230.90 13 0.52 6 e+b+
272.43 23 0.32 8 e+b+
283.86 13 0.30 4 e+b+
292.16 10 0.34 4 e+b+
300.00 16 0.23 4 e+b+
303.00 5 1.35 4 e+b+
307.48 8 0.37 4 e+b+
323.1 4 0.13 4 e+b+
333.17 26 0.19 4 e+b+
337.80 10 0.50 4 e+b+
345.13 16 0.23 4 e+b+
371.07 5 0.77 4 e+b+
386.10 2 19.4 4 e+b+
400.67 16 0.30 4 e+b+
413.27 13 0.40 4 e+b+
420.32 13 0.23 4 e+b+
432.16 10 4.03 10 e+b+
436.86 10 0.76 4 e+b+
463.20 10 2.40 5 e+b+
476.56 10 8.00 14 e+b+
489.5 6 0.14 6 e+b+
494.31 10 0.87 11 e+b+
500.16 26 0.38 7 e+b+
515.9 5 0.11 7 e+b+
528.40 16 0.24 5 e+b+
533.66 18 0.29 4 e+b+
546.31 10 14.3 4 e+b+
556.40 23 0.30 5 e+b+
561.00 10 0.82 6 e+b+
570.70 10 1.12 4 e+b+
574.68 20 0.139 17 e+b+
580.4 3 0.21 5 e+b+
583.9 1 1.04 5 e+b+
593.5 5 0.33 4 e+b+
596.77 10 1.57 6 e+b+
614.30 10 0.52 4 e+b+
624.54 12 0.19 4 e+b+
630.37 13 0.043 9 e+b+
639.50 10 1.36 10 e+b+
642.2 6 0.19 6 e+b+
653.20 20 0.62 5 e+b+
655.6 5 0.15 4 e+b+
663.67 10 0.85 4 e+b+
671.2 3 0.14 4 e+b+
677.56 13 0.48 4 e+b+
680.41 10 0.96 4 e+b+
689.17 10 2.53 6 e+b+
700.32 10 1.80 7 e+b+
712.00 20 1.20 7 e+b+
721.3 3 0.12 6 e+b+
726.71 23 0.15 9 e+b+
732.8 5 0.67 4 e+b+
736.3 6 0.34 10 e+b+
745.40 10 1.22 6 e+b+
749.7 4 0.16 3 e+b+
755.57 10 2.03 9 e+b+
764.27 20 0.17 4 e+b+
768.90 20 0.81 4 e+b+
771.51 10 0.48 4 e+b+
784.5 6 0.10 4 e+b+
788.07 10 0.86 5 e+b+
793.08 10 0.51 4 e+b+
802.00 20 0.33 4 e+b+
806.2 3 0.17 4 e+b+
814.10 10 1.02 9 e+b+
818.6 3 0.32 6 e+b+
822.78 27 0.34 6 e+b+
833.9 2 2.21 11 e+b+
837.9 5 0.20 7 e+b+
845.46 10 2.01 10 e+b+
849.60 10 0.90 6 e+b+
855.84 10 1.30 7 e+b+
859.21 16 0.57 5 e+b+
870.36 10 1.41 9 e+b+
878.21 4 0.14 4 e+b+
884.62 10 0.66 5 e+b+
891.92 20 0.70 6 e+b+
910.3 5 0.42 4 e+b+
917.00 10 0.87 10 e+b+
926.0 5 0.46 6 e+b+
932.5 10 0.28 6 e+b+
936.27 10 1.07 7 e+b+
947.1 3 0.28 6 e+b+
952.33 22 0.39 6 e+b+
960.86 20 0.34 6 e+b+
970.77 10 0.38 4 e+b+
983.73 10 2.06 6 e+b+
992.37 22 0.22 4 e+b+
995.92 7 0.67 4 e+b+
1000.4 3 0.15 4 e+b+
1010.4 3 3.06 10 e+b+
1016.60 10 0.77 4 e+b+
1020.4 3 0.85 4 e+b+
1029.4 3 0.37 4 e+b+
1036.48 24 0.30 4 e+b+
1040.2 4 0.12 4 e+b+
1050.43 18 0.59 7 e+b+
1058.50 20 0.80 7 e+b+
1062.5 3 1.01 10 e+b+
1070.6 3 1.23 11 e+b+
1096.1 3 1.76 6 e+b+
1114.3 3 2.67 10 e+b+
1124.0 17 0.36 4 e+b+
1129.8 3 1.1 11 e+b+
1129.8 3 2.28 9 e+b+
1141.8 3 2.01 14 e+b+
1144.1 3 0.41 10 e+b+
1175.5 3 1.00 7 e+b+
1178.3 4 0.22 4 e+b+
1185.6 3 0.46 6 e+b+
1190.6 3 0.42 5 e+b+
1196.8 3 0.95 6 e+b+
1200.9 4 0.28 4 e+b+
1239.2 3 0.18 4 e+b+
1248.90 22 0.19 4 e+b+
1256.1 3 1.09 6 e+b+
1259.2 4 0.17 4 e+b+
1264.27 26 0.18 4 e+b+
1288.2 3 0.80 4 e+b+
1290.80 10 0.50 4 e+b+
1313.07 12 0.13 3 e+b+
1334.3 3 0.44 4 e+b+
1340.00 20 0.30 4 e+b+
1347.56 23 0.18 4 e+b+
1355.5 3 0.33 4 e+b+
1361.9 3 0.24 4 e+b+
1381.2 3 0.37 4 e+b+
1410.00 10 0.37 4 e+b+
1422.06 13 0.27 4 e+b+
1430.80 26 0.22 3 e+b+
1438.5 5 0.09 3 e+b+
1442.0 4 0.10 3 e+b+
1460.37 21 0.14 4 e+b+
1475.7 3 2.14 9 e+b+
1479.5 5 0.14 4 e+b+
1493.3 3 0.28 4 e+b+
1510.61 16 0.38 5 e+b+
1525.1 3 1.49 5 e+b+
1530.2 3 0.83 4 e+b+
1538.1 3 1.98 6 e+b+
1542.16 17 0.39 4 e+b+
1546.47 20 0.18 3 e+b+
1593.1 3 2.61 9 e+b+
1602.68 17 0.35 4 e+b+
1611.0 3 0.16 5 e+b+
1652.1 3 1.43 4 e+b+
1659.53 16 0.22 4 e+b+
1678.00 20 0.28 4 e+b+
1696.33 20 0.37 3 e+b+
1701.6 3 4.57 12 e+b+
1718.4 5 0.12 6 e+b+
1721.66 8 0.67 4 e+b+
1728.1 3 0.23 4 e+b+
1740.80 11 0.39 4 e+b+
1753.12 19 0.043 9 e+b+
1769.7 3 0.313 17 e+b+
1779.91 23 0.113 9 e+b+
1798.6 3 0.130 17 e+b+
1808.7 5 0.087 17 e+b+
1835.10 10 0.46 5 e+b+
1903.8 5 0.15 4 e+b+
1908.90 20 0.078 17 e+b+
1999.3 3 0.078 17 e+b+
2088.70 10 0.24 4 e+b+

X-rays from 151Dy (17.9 m 3)

E (keV) I (%) Assignment
5,547 0.55 6 Tb Ll
6,239 1.45 12 Tb La2
6,273 13.0 11 Tb La1
6,284 0.228 17 Tb Lh
6,940 2.6 4 Tb Lb4
6,977 9.9 8 Tb Lb1
7,097 4.3 7 Tb Lb3
7,116 0.133 11 Tb Lb6
7,367 2.69 23 Tb Lb2
8,105 1.70 14 Tb Lg1
8,398 0.84 14 Tb Lg2
8,423 1.19 19 Tb Lg3
43,288 0.0080 3 Tb Ka3
43,744 23.4 7 Tb Ka2
44,482 42.1 12 Tb Ka1
50,228 4.24 13 Tb Kb3
50,384 8.19 24 Tb Kb1
50,738 0.135 6 Tb Kb5
51,698 2.73 8 Tb Kb2
51,849 1.01 5 Tb Kb4

Betas from 151Dy (17.9 m 3)

>Eb endpoint (keV) Ib (%) Decay mode
606,79 0.0088 21 b+
645,9 0.006 4 b+
728,62 0.017 3 b+
765,39 0.035 6 b+
898,93 0.023 4 b+
930,22 0.059 13 b+
961,57 0.023 4 b+
991,19 0.030 5 b+
1006,89 0.022 4 b+
1028,37 6.2 12 e
1096,26 5.2 3 e
1128,22 4.8 3 e
1136,07 0.19 5 b+
1145,54 9.3 5 e
1161,3 0.031 5 b+
1201,98 0.25 3 b+
1206,82 3.88 21 e
1240,34 5.2 7 e
1258,91 3.63 22 e
1264,02 0.037 7 b+
1287,71 1.07 9 e
1299,15 0.045 17 b+
1362,36 0.58 6 b+
1436,14 2.78 18 e
1550,6 1.23 13 e
1599,21 0.06 5 b+
1628,79 4.3 3 e
1667,9 2.3 12 e
1750,62 3.36 18 e
1787,39 5.5 3 e
1825,08 0.4 3 b+
1920,93 1.71 15 e
1952,22 3.8 7 e
1983,57 1.29 14 e
2013,19 1.5 2 e
2028,89 1.02 12 e
2158,07 5.4 14 e
2183,3 0.82 9 e
2223,98 5.7 5 e
2286,02 0.68 13 e
2321,15 0.8 3 e
2384,36 8.2 6 e
2621,21 0.4 4 e
2847,08 7 5 e

Alphas from 151Dy (17.9 m 3)

Ea (keV) Ia (%)
4067 3 100