143m2 Sm
62 81
Half life: 30 ms 3
Jp: 23/2(-)
Decay mode: IT
Ex(keV): 2794.7
Sn (keV): 8602 11
Sp (keV): 5731 43
E(level): 2794.7 keV
Literature cut-off date: 1-Jan-1991
Author(s): L.K. Peker
ENSDF citation: NDS 64,429 (1991)

Decay properties

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

Gammas from 143m2Sm (30 ms 3)

Eg (keV) Ig (%) Decay mode
51 IT
76.5 25 7 IT
180.3 IT
182.0 IT
208.0 49 3 IT
754.0 2 IT
1573.4 64 5 IT
1575 IT
1705.5 20 3 IT
1720.5 IT
1755.0 IT
1831.7 11.4 19 IT

X-rays from 143m2Sm (30 ms 3)

E (keV) I (%) Assignment
4,993 0.30 7 Sm Ll
5,589 0.129 24 Sm Lh
5,610 0.80 16 Sm La2
5,636 7.2 15 Sm La1
6,196 0.34 9 Sm Lb4
6,206 5.3 10 Sm Lb1
6,317 0.57 15 Sm Lb3
6,371 0.067 13 Sm Lb6
6,587 1.5 3 Sm Lb2
7,183 0.87 16 Sm Lg1
7,471 0.10 3 Sm Lg2
7,489 0.15 4 Sm Lg3
39,097 0.0069 14 Sm Ka3
39,522 27 6 Sm Ka2
40,118 49 10 Sm Ka1
45,294 4.8 10 Sm Kb3
45,414 9.3 19 Sm Kb1
45,741 0.14 3 Sm Kb5
46,578 3.1 6 Sm Kb2
46,705 1.17 25 Sm Kb4