147 Pm
61 86
Half life: 2.6234 y 2
Jp: 7/2+
Decay mode: b-
Sn (keV): 7660 4
Sp (keV): 5405.7 9
Prod. mode: Fission product
Fast neutron activation
Thermal neutron activation
Literature cut-off date: 1-Apr-1992
Author(s): E. derMateosian and L.K. Peker
ENSDF citation: NDS 66,705 (1992)

Decay properties

Mode Branching (%) Q-value (keV)
b- 100 224.1 3

Gammas from 147Pm (2.6234 y 2)

Eg (keV) Ig (%) Decay mode
76.073 10 1.17E-08 20 b-
121.220 17 0.0028 b-
197.299 12 0.00000034 6 b-

X-rays from 147Pm (2.6234 y 2)

E (keV) I (%) Assignment
4,993 6.3E-06 6 Sm Ll
5,589 2.40E-06 19 Sm Lh
5,610 1.68E-05 11 Sm La2
5,636 1.52E-04 10 Sm La1
6,196 8.0E-06 12 Sm Lb4
6,206 9.8E-05 8 Sm Lb1
6,317 1.34E-05 20 Sm Lb3
6,371 1.41E-06 9 Sm Lb6
6,587 3.21E-05 22 Sm Lb2
7,183 1.62E-05 13 Sm Lg1
7,471 2.5E-06 4 Sm Lg2
7,489 3.5E-06 6 Sm Lg3
39,097 1.60E-07 5 Sm Ka3
39,522 0.000632 13 Sm Ka2
40,118 0.001146 24 Sm Ka1
45,294 1.120E-04 23 Sm Kb3
45,414 2.17E-04 5 Sm Kb1
45,741 3.21E-06 13 Sm Kb5
46,578 7.16E-05 15 Sm Kb2
46,705 2.71E-05 11 Sm Kb4

Betas from 147Pm (2.6234 y 2)

>Eb endpoint (keV) Ib (%) Decay mode
26,7 0.00000047 8 b-
102,88 0.0057 7 b-
224,1 99.994 1 b-