158m2 Ho
67 91
Half life: 21.3 m 23
Jp: (9+)
Decay mode: e+b+, IT
Ex(keV): 180
Sn (keV): 7366 59
Sp (keV): 4043 31
E(level): 180 keV
Prod. mode: Charged particle reaction
Literature cut-off date: 1-Oct-1995
Author(s): R.G. Helmer
ENSDF citation: NDS 77,471 (1996)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ >93 4230 30
IT <7

Gammas from 158m2Ho (21.3 m 23)

Eg (keV) Ig (%) Decay mode
98.918 1 * e+b+
153.1 16.2* e+b+
162.6 19.6* e+b+
166.4 55.4* e+b+
187.0 37.2* e+b+
204.4 21.2* e+b+
206.5 21.4* e+b+
218.221 4 * e+b+
266.2 15.6* e+b+
320.53 3 * e+b+
406.12 7 100* e+b+
476.0 4 * e+b+
708 * e+b+
731.5 22.0* e+b+
838.9 84.3* e+b+
977.34 7 * e+b+
1007 * e+b+
1053.2 11.8* e+b+
1484.1 66.2* e+b+
2194 * e+b+
2600 * e+b+
2920 * e+b+

X-rays from 158m2Ho (21.3 m 23)

E (keV) I (%) Assignment
5,743 0.61 14 Dy Ll
6,458 1.6 3 Dy La2
6,495 14 3 Dy La1
6,534 0.21 5 Dy Lh
7,204 0.82 21 Dy Lb4
7,248 9.2 20 Dy Lb1
7,370 1.3 3 Dy Lb3
7,374 0.15 3 Dy Lb6
7,636 2.9 6 Dy Lb2
8,426 1.6 4 Dy Lg1
8,714 0.26 7 Dy Lg2
8,753 0.37 10 Dy Lg3
44,743 0.019 4 Dy Ka3
45,208 50 10 Dy Ka2
45,998 90 18 Dy Ka1
51,947 9.2 19 Dy Kb3
52,113 18 4 Dy Kb1
52,475 0.31 6 Dy Kb5
53,476 5.9 12 Dy Kb2
53,634 2.0 4 Dy Kb4