159 Ho
67 92
Half life: 33.05 m 11
Jp: 7/2-
Decay mode: e+b+
Sn (keV): 9224 30
Sp (keV): 4211 4
Prod. mode: Charged particle reaction
Literature cut-off date: 1-Mar-1994
Author(s): R.G. Helmer
ENSDF citation: NDS 72,83 (1994)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 1838 3

Gammas from 159Ho (33.05 m 11)

Eg (keV) Ig (%) Decay mode
30.427 13 0.133 5 e+b+
31.378 8 0.500 11 e+b+
41.182 4 1.15 7 e+b+
56.626 8 5.18 11 e+b+
61.77 11 e+b+
68.79 3 0.042 9 e+b+
72.546 4 0.398 14 e+b+
79.807 3 1.85 6 e+b+
85.669 9 0.150 8 e+b+
99.419 10 0.235 11 e+b+
100.599 8 4.81 18 e+b+
102.985 22 0.188 22 e+b+
121.012 14 36.2 7 e+b+
131.973 10 23.6 4 e+b+
136.438 20 0.416 14 e+b+
152.375 13 1.06 6 e+b+
155.851 13 1.94 7 e+b+
159.426 16 0.362 18 e+b+
173.155 17 2.14 5 e+b+
177.608 10 5.36 22 e+b+
179.250 22 0.127 14 e+b+
186.274 9 3.37 14 e+b+
195.40 5 0.044 6 e+b+
217.647 8 3.66 11 e+b+
252.963 8 13.7 4 e+b+
258.822 11 1.84 6 e+b+
265.56 6 0.203 11 e+b+
269.11 5 0.083 9 e+b+
295.4 3 0.539 22 e+b+
309.594 18 17.2 6 e+b+
326.30 4 0.0167 14 e+b+
338.629 30 0.80 7 e+b+
353.68 18 0.024 4 e+b+
372.00 13 0.012 3 e+b+
385.38 15 0.0134 22 e+b+
395.258 14 0.351 11 e+b+
412.3 9 0.0094 18 e+b+
417.45 16 0.0116 22 e+b+
448.46 4 0.0112 14 e+b+
453.21 9 0.016 3 e+b+
472.53 15 0.0391 18 e+b+
543.51 9 0.020 5 e+b+
546.25 17 0.337 25 e+b+
565.85 10 0.0340 18 e+b+
580.75 20 0.035 3 e+b+
585.54 6 0.0311 18 e+b+
603.08 12 0.0268 18 e+b+
608.69 17 0.0167 18 e+b+
618.0 5 0.022 4 e+b+
620.95 4 0.275 14 e+b+
649.42 20 0.014 3 e+b+
658.11 12 0.0246 18 e+b+
680.79 6 0.0188 11 e+b+
695.249 26 0.068 10 e+b+
706.648 15 1.180 25 e+b+
758.330 24 0.0597 22 e+b+
766.12 5 0.117 3 e+b+
780.99 3 0.0485 18 e+b+
807.236 16 1.281 25 e+b+
838.625 18 3.84 9 e+b+
843.78 7 0.026 4 e+b+
851.133 19 0.252 6 e+b+
862.94 6 0.0217 18 e+b+
866.82 4 0.0395 14 e+b+
874.67 6 0.023 3 e+b+
879.55 20 0.0898 25 e+b+
881.552 28 0.374 8 e+b+
892.288 23 0.091 3 e+b+
898.167 25 0.0489 11 e+b+
913.119 20 0.268 5 e+b+
939.453 28 0.0496 14 e+b+
944.85 4 0.0427 18 e+b+
951.37 10 0.0145 11 e+b+
954.19 9 0.0123 11 e+b+
959.66 5 0.0322 14 e+b+
976.09 4 0.0460 22 e+b+
981.80 5 0.0214 14 e+b+
992.940 25 0.0771 18 e+b+
1002.23 22 0.0087 7 e+b+
1016.36 10 0.478 11 e+b+
1019.20 3 0.197 5 e+b+
1024.317 24 0.244 5 e+b+
1033.998 28 0.0529 11 e+b+
1038.33 10 0.0071 5 e+b+
1047.62 10 0.0071 7 e+b+
1061.11 4 0.0235 7 e+b+
1065.43 6 0.0159 11 e+b+
1075.87 3 0.126 3 e+b+
1078.0 5 0.0072 14 e+b+
1097.03 6 0.0185 7 e+b+
1109.48 9 0.0105 7 e+b+
1145.32 3 0.0579 14 e+b+
1150.50 8 0.0101 7 e+b+
1153.675 29 0.0637 14 e+b+
1161.68 5 0.0221 7 e+b+
1188.6 3 0.0054 18 e+b+
1193.07 3 0.0644 14 e+b+
1199.31 11 0.0101 18 e+b+
1201.93 3 0.177 4 e+b+
1218.50 13 0.0056 8 e+b+
1230.19 5 0.0214 7 e+b+
1234.26 13 0.0057 9 e+b+
1313.88 23 0.0053 5 e+b+
1370.53 11 0.0144 6 e+b+
1399.98 25 0.0034 8 e+b+
1437.4 3 0.0021 5 e+b+
1466.21 23 0.0037 5 e+b+
1555.6 3 0.0025 14 e+b+

X-rays from 159Ho (33.05 m 11)

E (keV) I (%) Assignment
5,743 0.58 6 Dy Ll
6,458 1.51 10 Dy La2
6,495 13.6 9 Dy La1
6,534 0.202 16 Dy Lh
7,204 0.87 13 Dy Lb4
7,248 9.0 7 Dy Lb1
7,370 1.41 21 Dy Lb3
7,374 0.143 10 Dy Lb6
7,636 2.79 20 Dy Lb2
8,426 1.56 13 Dy Lg1
8,714 0.28 5 Dy Lg2
8,753 0.40 6 Dy Lg3
44,743 0.0164 6 Dy Ka3
45,208 43.9 12 Dy Ka2
45,998 78.4 21 Dy Ka1
51,947 8.03 22 Dy Kb3
52,113 15.5 4 Dy Kb1
52,475 0.268 12 Dy Kb5
53,476 5.19 14 Dy Kb2
53,634 1.79 8 Dy Kb4

Betas from 159Ho (33.05 m 11)

>Eb endpoint (keV) Ib (%) Decay mode
420,73 0.016 1 b+
467,32 0.136 4 e
506,41 0.17 1 b+
551,08 0.056 3 e
576,58 0.0030 b+
580,15 0.002 b+
607,01 0.002 2 b+
636,08 0.66 2 e
638,39 0.012 b+
679,56 0.017 b+
684,34 0.27 1 e
747,4 1.11 4 e
759,37 0.014 b+
762,16 0.60 2 e
821,76 7.2 2 e
1332,99 0.87 4 e
1442,73 13.8 5 e
1528,41 70 2 e
1598,58 0.7 5 e
1602,15 0.37 6 e
1629,01 0.3 5 e
1660,39 0.8 11 e
1701,56 2.1 4 e
1781,37 1.1 19 e