158m Tb
65 93
Half life: 10.70 s 17
Jp: 0-
Decay mode: IT, b-, e+b+
Ex(keV): 110.3 12
Sn (keV): 6777.4 9
Sp (keV): 5935.0 9
E(level): 110.3 12 keV
Prod. mode: Photon reaction
Fast neutron activation
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)
IT 100
b- <0.6 936.7 24
e+b+ <0.01 1220.0 9

Gammas from 158mTb (10.70 s 17)

Eg (keV) Ig (%) Decay mode
110.3 12 0.92 3 IT

X-rays from 158mTb (10.70 s 17)

E (keV) I (%) Assignment
5,547 0.26 3 Tb Ll
6,239 0.68 5 Tb La2
6,273 6.2 4 Tb La1
6,284 0.071 6 Tb Lh
6,940 0.48 8 Tb Lb4
6,977 3.09 25 Tb Lb1
7,097 0.79 12 Tb Lb3
7,116 0.063 4 Tb Lb6
7,367 1.27 9 Tb Lb2
8,105 0.53 4 Tb Lg1
8,398 0.153 25 Tb Lg2
8,423 0.22 4 Tb Lg3
43,288 0.00482 21 Tb Ka3
43,744 14.1 6 Tb Ka2
44,482 25.4 10 Tb Ka1
50,228 2.56 10 Tb Kb3
50,384 4.94 19 Tb Kb1
50,738 0.081 4 Tb Kb5
51,698 1.64 6 Tb Kb2
51,849 0.61 3 Tb Kb4