164m Ho
67 97
Half life: 37.5 m +15-5
Jp: 6-
Decay mode: IT
Ex(keV): 140 1
Sn (keV): 6673.8 22
Sp (keV): 5888.9 22
E(level): 140 1 keV
Prod. mode: Photon reaction
Fast neutron activation
Literature cut-off date: 1-Aug-1989
Author(s): E.N. Shurshikov and N.V. Timofeeva
ENSDF citation: NDS 65,365 (1992)

Decay properties

Mode Branching (%) Q-value (keV)
IT 100

Gammas from 164mHo (37.5 m +15-5)

Eg (keV) Ig (%) Decay mode
37.34 5 11.4 6 IT
46 IT
56.64 5 6.5 3 IT
94.0 1 0.137 15 IT

X-rays from 164mHo (37.5 m +15-5)

E (keV) I (%) Assignment
5,943 0.64 7 Ho Ll
6,680 1.66 14 Ho La2
6,720 14.9 12 Ho La1
6,790 0.273 22 Ho Lh
7,471 2.1 3 Ho Lb4
7,526 12.4 10 Ho Lb1
7,635 0.161 13 Ho Lb6
7,653 3.4 5 Ho Lb3
7,910 3.0 3 Ho Lb2
8,757 2.19 18 Ho Lg1
9,051 0.66 11 Ho Lg2
9,088 0.96 16 Ho Lg3
46,223 0.0080 5 Ho Ka3
46,700 19.5 11 Ho Ka2
47,547 34.6 19 Ho Ka1
53,695 3.58 20 Ho Kb3
53,876 6.9 4 Ho Kb1
54,246 0.126 8 Ho Kb5
55,293 2.32 13 Ho Kb2
55,457 0.73 5 Ho Kb4