148 Tb
65 83
Half life: 60 m 1
Jp: 2-
Decay mode: e+b+
Sn (keV): 7828 32
Sp (keV): 2437 30
Prod. mode: Charged particle reaction
Literature cut-off date: 31-Jul-1989
Author(s): L.K. Peker
ENSDF citation: NDS 59,393 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 5765 30

Gammas from 148Tb (60 m 1)

Eg (keV) Ig (%) Decay mode
142.878 14 0.310 14 e+b+
382.0 8 0.15 8 e+b+
489.049 12 19.8 4 e+b+
589.9 7 0.60 3 e+b+
631.947 17 10.68 21 e+b+
639.47 7 2.65 10 e+b+
784.430 16 84.4 16 e+b+
808.56 7 0.442 19 e+b+
841.59 16 0.267 19 e+b+
915.30 12 0.30 3 e+b+
960.09 7 1.1 e+b+
960.09 7 1.08 9 e+b+
1002.48 9 0.337 20 e+b+
1007.72 9 0.65 6 e+b+
1007.72 9 0.65 6 e+b+
1050.15 4 0.81 3 e+b+
1079.025 25 11.48 25 e+b+
1089.411 28 2.26 5 e+b+
1105.65 11 0.62 3 e+b+
1167 0.11 3 e+b+
1215.0 6 0.17 3 e+b+
1230 0.33 12 e+b+
1230.18 5 0.83 3 e+b+
1248.2 8 0.20 5 e+b+
1342.2 6 0.17 8 e+b+
1404.224 35 2.14 5 e+b+
1426.49 8 0.279 17 e+b+
1449.16 4 0.91 3 e+b+
1470.1 8 0.13 5 e+b+
1526.45 7 0.641 25 e+b+
1599.39 6 1.08 3 e+b+
1639.66 22 0.42 6 e+b+
1641.98 21 0.45 6 e+b+
1679 0.28 4 e+b+
1719.63 20 1.46 9 e+b+
1722.47 28 0.35 9 e+b+
1737.9 6 0.17 3 e+b+
1802.62 24 0.51 7 e+b+
1816.06 9 0.447 25 e+b+
1830.14 4 1.83 10 e+b+
1848.36 8 0.582 25 e+b+
1863.391 38 5.65 11 e+b+
1915.54 19 0.405 25 e+b+
2089 1 0.44 7 e+b+
2101.87 10 0.63 5 e+b+
2131.14 11 1.22 4 e+b+
2155.33 25 0.31 5 e+b+
2168.0 4 0.31 4 e+b+
2188.65 7 1.72 6 e+b+
2247.32 12 0.33 3 e+b+
2288.10 15 0.41 3 e+b+
2301.44 21 0.253 25 e+b+
2311.03 7 1.16 3 e+b+
2331.92 15 0.5191 25 e+b+
2345.1 8 0.44 6 e+b+
2362.9 3 0.57 3 e+b+
2485.94 15 0.53 4 e+b+
2510.56 15 0.304 25 e+b+
2593.3 6 0.26 10 e+b+
2614.3 6 0.69 5 e+b+
2634.6 10 0.14 3 e+b+
2700.57 20 0.641 25 e+b+
2777.5 10 ~0.07 e+b+
2794.6 10 0.16 3 e+b+
2858.5 5 0.28 7 e+b+
2871.8 7 0.38 7 e+b+
3090.5 15 0.16 5 e+b+
3125.44 29 0.26 3 e+b+
3130.89 16 0.69 5 e+b+
3266.4 10 0.35 21 e+b+
3269.22 30 0.56 4 e+b+
3295.5 10 0.10 3 e+b+
3552.9 5 0.30 3 e+b+
3574.6 10 0.23 3 e+b+
3644.9 5 0.37 4 e+b+
3685.8 5 0.51 4 e+b+
3983.7 5 0.30 3 e+b+
4066.8 10 0.14 3 e+b+

X-rays from 148Tb (60 m 1)

E (keV) I (%) Assignment
5,362 0.090 9 Gd Ll
6,026 0.239 15 Gd La2
6,050 0.0321 24 Gd Lh
6,058 2.15 14 Gd La1
6,687 0.126 19 Gd Lb4
6,713 1.36 10 Gd Lb1
6,832 0.21 3 Gd Lb3
6,867 0.0213 13 Gd Lb6
7,102 0.45 3 Gd Lb2
7,243 0.00367 23 Gd Lb5
7,790 0.232 18 Gd Lg1
7,930 0.00191 21 Gd Lg6
8,087 0.040 7 Gd Lg2
8,105 0.056 9 Gd Lg3
41,864 0.00257 9 Gd Ka3
42,309 8.40 24 Gd Ka2
42,996 15.1 4 Gd Ka1
48,551 1.50 4 Gd Kb3
48,695 2.90 8 Gd Kb1
49,038 0.0457 21 Gd Kb5
49,959 0.97 3 Gd Kb2
50,099 0.376 17 Gd Kb4

Betas from 148Tb (60 m 1)

>Eb endpoint (keV) Ib (%) Decay mode
195,7 0.2 b+
2231,6 1.0 b+
2427,12 1.0 b+
2504,41 0.8 b+
2549,35 1.0 b+
2874,58 9 b+
3253,6 2.2 e
3321,62 3.3 b+
3449,12 1.8 e
3464,52 6 b+
3526,41 1.3 e
3571,35 1.6 e
3896,58 9 e
3953,57 27 b+
4343,62 6 e
4486,52 3.3 e
4738 2.6 b+
4975,57 10 e
5760 1.4 e