164 Ho
67 97
Half life: 29 m 1
Jp: 1+
Decay mode: e, b-
Sn (keV): 6673.8 22
Sp (keV): 5888.9 22
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)
e 60 5 986.8 22
b- 40 5 962.8 23

Gammas from 164Ho (29 m 1)

Eg (keV) Ig (%) Decay mode
73.392 5 2.0 e
91.40 2 2.2 b-
688.44 15 e
761.8 2 e

X-rays from 164Ho (29 m 1)

E (keV) I (%) Assignment
5,743 0.209 21 Dy Ll
6,151 0.026 3 Er Ll
6,458 0.54 3 Dy La2
6,495 4.9 3 Dy La1
6,534 0.076 6 Dy Lh
6,905 0.067 4 Er La2
6,949 0.60 4 Er La1
7,058 0.0115 8 Er Lh
7,204 0.26 4 Dy Lb4
7,248 3.37 25 Dy Lb1
7,370 0.41 6 Dy Lb3
7,374 0.051 3 Dy Lb6
7,636 1.01 7 Dy Lb2
7,745 0.0105 16 Er Lb4
7,811 0.54 4 Er Lb1
7,909 0.0067 4 Er Lb6
7,939 0.0165 25 Er Lb3
8,186 0.121 8 Er Lb2
8,426 0.59 5 Dy Lg1
8,714 0.081 13 Dy Lg2
8,753 0.116 19 Dy Lg3
9,088 0.095 7 Er Lg1
9,385 0.0033 5 Er Lg2
9,431 0.0048 8 Er Lg3
44,743 0.00545 19 Dy Ka3
45,208 14.6 4 Dy Ka2
45,998 26.0 7 Dy Ka1
47,734 0.000359 11 Er Ka3
48,221 0.781 16 Er Ka2
49,128 1.38 3 Er Ka1
51,947 2.67 7 Dy Kb3
52,113 5.15 14 Dy Kb1
52,475 0.089 4 Dy Kb5
53,476 1.72 5 Dy Kb2
53,634 0.59 3 Dy Kb4
55,480 0.145 3 Er Kb3
55,674 0.279 6 Er Kb1
56,054 0.00531 21 Er Kb5
57,142 0.0939 19 Er Kb2
57,313 0.0278 11 Er Kb4

Betas from 164Ho (29 m 1)

>Eb endpoint (keV) Ib (%) Decay mode
871,4 11.4 17 b-
913,41 19 3 e
962,8 27 6 b-
986,8 41 7 e