147m Tb
65 82
Half life: 1.83 m 6
Jp: (11/2)-
Decay mode: e+b+
Ex(keV): 50.6
Sn (keV): 10999 47
Sp (keV): 1950 12
E(level): 50.6 keV
Prod. mode: Charged particle reaction
Literature cut-off date: 1-Apr-1992
Author(s): E. derMateosian and L.K. Peker
Update: 20-Sep-1996, B. Singh
ENSDF citation: NDS 66,705 (1992)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 4609 12

Gammas from 147mTb (1.83 m 6)

Eg (keV) Ig (%) Decay mode
442 ~0.08 e+b+
704.5 2 0.39 e+b+
947 0.16 e+b+
997.1 1 1.2 e+b+
1027.7 0.47 e+b+
1116.3 0.013 e+b+
1260.0 ~0.31 e+b+
1388.8 ~0.16 e+b+
1397.0 1 79 e+b+
1407.0 ~0.16 e+b+
1574.2 0.16 e+b+
1608.0 ~0.9 e+b+
1628.3 4 ~0.16 e+b+
1643.0 3 1.2 e+b+
1797.1 4 14 e+b+
1809.0 ~0.24 e+b+
1944.1 0.8 e+b+
2078.4 0.6 e+b+
2875.7 0.31 e+b+
2971.5 0.9 e+b+
3005.6 0.9 e+b+
3204.8 0.6 e+b+
3322.7 0.9 e+b+

X-rays from 147mTb (1.83 m 6)

E (keV) I (%) Assignment
5,362 0.0115 12 Gd Ll
6,026 0.0305 20 Gd La2
6,050 0.0041 3 Gd Lh
6,058 0.275 18 Gd La1
6,687 0.0164 25 Gd Lb4
6,713 0.174 14 Gd Lb1
6,832 0.027 4 Gd Lb3
6,867 0.00272 18 Gd Lb6
7,102 0.057 4 Gd Lb2
7,243 0.00047 3 Gd Lb5
7,790 0.0297 24 Gd Lg1
7,930 2.4E-04 3 Gd Lg6
8,087 0.0052 9 Gd Lg2
8,105 0.0073 12 Gd Lg3
41,864 0.000328 13 Gd Ka3
42,309 1.07 4 Gd Ka2
42,996 1.93 6 Gd Ka1
48,551 0.191 6 Gd Kb3
48,695 0.370 12 Gd Kb1
49,038 0.0058 3 Gd Kb5
49,959 0.124 4 Gd Kb2
50,099 0.0479 23 Gd Kb4

Betas from 147mTb (1.83 m 6)

>Eb endpoint (keV) Ib (%) Decay mode
786,7 0.30 e
1336,9 0.9 e
1654 1.7 e
1688,1 1.7 e
2273,7 0.2 e
2581,2 0.6 e
2715,5 0.4 e
2862,5 14 e
2958 0.4 e
3016,6 1.2 e
3031,3 0.2 e
3262,59 77 e