148m Ho
67 81
Half life: 9.59 s 15
Jp: 6-
Decay mode: e+b+, ep
Ex(keV): 0+y
Sn (keV): 1.05E4 sy
Sp (keV): 1.3E3 sy
Literature cut-off date: 31-Jul-1989
Author(s): L.K. Peker
Update: Unknown, J. Tuli
ENSDF citation: NDS 59,393 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 9.4E3 sy
ep 0.08 1

Gammas from 148mHo (9.59 s 15)

Eg (keV) Ig (%) Decay mode
10 0.49 2 e+b+
94.1 2 0.44 5 e+b+
101.2 6 0.11 6 e+b+
115.6 2 1.30 5 e+b+
164.1 3 0.37 5 e+b+
261.5 5 0.27 7 e+b+
282.2 5 0.20 5 e+b+
304.3 1 1.50 7 e+b+
353.6 4 0.54 8 e+b+
376.1 5 0.57 8 e+b+
382.7 2.76 13 e+b+
389.8 1 5.11 9 e+b+
425.7 4 0.42 8 e+b+
435.4 6 0.6 1 e+b+
504.3 2 18.62 11 e+b+
540.5 5 0.46 11 e+b+
542.0 5 0.67 11 e+b+
567.3 2 1.16 8 e+b+
583.7 3 0.4 1 e+b+
620 1 2.79 80 e+b+
660.8 1 58.94 16 e+b+
665.8 4 1.06 16 e+b+
739.4 1 5.73 10 e+b+
749.4 2 3.62 9 e+b+
760.4 3 0.47 7 e+b+
765.9 2 2.06 10 e+b+
917.3 4 0.32 11 e+b+
930.0 3 1.34 10 e+b+
961.2 3 0.8 1 e+b+
973.6 2 1.64 5 e+b+
996.0 4 0.45 11 e+b+
1101.0 3 2.92 13 e+b+
1176.4 6 1.1 3 e+b+
1202.2 4 0.49 12 e+b+
1281.3 2 5.66 17 e+b+
1307.2 2 1.44 13 e+b+
1320.0 2 2.54 16 e+b+
1328.3 5 0.79 17 e+b+
1391.8 4 0.71 14 e+b+
1397.3 3 1.67 17 e+b+
1405.9 2 2.82 18 e+b+
1483.4 2 2.60 16 e+b+
1500.3 2 5.46 13 e+b+
1504.3 6 1.3 2 e+b+
1600.4 4 0.8 2 e+b+
1639.4 4 2.16 12 e+b+
1661.5 8 0.51 12 e+b+
1677.3 1 17.4 11 e+b+
1687.5 1 82.47 30 e+b+
1861.5 4 1.18 14 e+b+
1939.7 3 4.62 17 e+b+
2043.4 4 0.58 13 e+b+
2110.2 4 1.12 13 e+b+
2284.6 4 1.56 13 e+b+
2291.4 4 1.73 14 e+b+
2412.4 4 1.94 15 e+b+
2600.9 4 0.75 11 e+b+
2705.0 4 1.23 14 e+b+
2945.8 10 0.27 10 e+b+
3073.4 6 0.52 11 e+b+

X-rays from 148mHo (9.59 s 15)

E (keV) I (%) Assignment
5,743 0.080 10 Dy Ll
6,458 0.210 18 Dy La2
6,495 1.89 17 Dy La1
6,534 0.0257 24 Dy Lh
7,204 0.103 16 Dy Lb4
7,248 1.14 11 Dy Lb1
7,370 0.17 3 Dy Lb3
7,374 0.0198 17 Dy Lb6
7,636 0.39 4 Dy Lb2
8,426 0.198 19 Dy Lg1
8,714 0.032 6 Dy Lg2
8,753 0.047 8 Dy Lg3
44,743 0.00139 11 Dy Ka3
45,208 3.7 3 Dy Ka2
45,998 6.7 5 Dy Ka1
51,947 0.68 5 Dy Kb3
52,113 1.32 10 Dy Kb1
52,475 0.0228 19 Dy Kb5
53,476 0.44 3 Dy Kb2
53,634 0.152 13 Dy Kb4

Betas from 148mHo (9.59 s 15)

>Eb endpoint (keV) Ib (%) Decay mode
2400 0.08 e
3117 1.0 b+
3323,4 0.8 b+
3616,1 1.7 b+
3743,8 1.3 b+
3918,2 0.8 b+
3985 2.1 b+
4088,5 9 b+
4139 0.7 e
4345,4 0.43 e
4622,2 3.0 b+
4638,1 0.8 e
4765,8 0.51 e
4940,2 0.29 e
5007 0.7 e
5050,3 1.9 b+
5098,4 2.0 b+
5110,5 2.9 e
5206,3 2.2 b+
5262,6 2.1 b+
5408,4 7 b+
5524,1 13 b+
5545,8 0.9 b+
5639,9 2.7 b+
5644,2 0.6 e
5647 3.1 b+
5951,3 3.6 b+
6029,7 9 b+
6072,3 0.33 e
6120,4 0.35 e
6228,3 0.36 e
6284,6 0.32 e
6430,4 1.0 e
6546,1 1.8 e
6567,8 0.12 e
6661,9 0.34 e
6669 0.4 e
6973,3 0.4 e
7051,7 1.0 e