147 Tb
65 82
Half life: 1.7 h 1
Jp: (1/2+)
Decay mode: e+b+
Sn (keV): 10999 47
Sp (keV): 1950 12
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 147Tb (1.7 h 1)

Eg (keV) Ig (%) Decay mode
119.7 1 6.1 6 e+b+
139.9 1 27.46 20 e+b+
182.0 4 0.4 1 e+b+
347.2 10 2.4 3 e+b+
407.0 3 1.9 3 e+b+
434.8 1.0 3 e+b+
547.0 3 2.8 3 e+b+
554.7 5.1 6 e+b+
694.4 10 43 e+b+
1152.4 1 100 8 e+b+
1628.1 4 3.7 4 e+b+
1628.3 4 3.7 e+b+
1948.3 4 1.9 3 e+b+
2561.9 4 2.3 3 e+b+
2681.4 4 3.6 4 e+b+

X-rays from 147Tb (1.7 h 1)

E (keV) I (%) Assignment
5,362 0.209 21 Gd Ll
6,026 0.55 4 Gd La2
6,050 0.074 6 Gd Lh
6,058 5.0 3 Gd La1
6,687 0.29 5 Gd Lb4
6,713 3.16 25 Gd Lb1
6,832 0.48 7 Gd Lb3
6,867 0.049 3 Gd Lb6
7,102 1.04 7 Gd Lb2
7,243 0.0085 6 Gd Lb5
7,790 0.54 4 Gd Lg1
7,930 0.0044 5 Gd Lg6
8,087 0.092 15 Gd Lg2
8,105 0.129 21 Gd Lg3
41,864 0.00595 24 Gd Ka3
42,309 19.4 6 Gd Ka2
42,996 35.0 12 Gd Ka1
48,551 3.47 12 Gd Kb3
48,695 6.72 22 Gd Kb1
49,038 0.106 5 Gd Kb5
49,959 2.25 7 Gd Kb2
50,099 0.87 4 Gd Kb4

Betas from 147Tb (1.7 h 1)

>Eb endpoint (keV) Ib (%) Decay mode
1740,2 8.9 10 b+
1827,8 0.51 7 b+
1887,64 1.04 12 b+
2174,99 3.2 4 b+
2294,69 3.4 4 b+
2434,6 9 3 b+
2762,2 41 5 e
2849,8 1.99 24 e
2909,64 3.7 4 e
3196,99 7.2 8 e
3316,69 6.4 8 e
3456,6 14 5 e