148 Dy
66 82
Half life: 3.1 m 1
Jp: 0+
Decay mode: e+b+
Sn (keV): 11518 62
Sp (keV): 4363 34
Literature cut-off date: 31-Jul-1989
Author(s): L.K. Peker
Update: 1-Jan-1997, Y. Akovali
ENSDF citation: NDS 59,393 (1990)

Decay properties

Mode Branching (%) Q-value (keV)
e+b+ 100 2682 10

Gammas from 148Dy (3.1 m 1)

Eg (keV) Ig (%) Decay mode
85.8 0.039 e+b+
102.3 0.029 e+b+
109.4 0.048 e+b+
136.9 0.13 e+b+
156.0 0.010 e+b+
178.3 0.5 e+b+
339.6 0.039 e+b+
442.0 0.13 e+b+
462.1 0.11 e+b+
616.2 0.010 e+b+
620.24 4 96 e+b+
627 0.07 e+b+
657.8 0.16 e+b+
691.9 0.16 e+b+
772.0 0.010 e+b+
794.9 0.2 e+b+
847.1 0.08 e+b+
890.0 0.24 e+b+
950.8 0.39 e+b+
1045.9 0.28 e+b+
1068.9 0.08 e+b+
1085.4 0.039 e+b+
1097 0.010 e+b+
1187.5 0.029 e+b+
1247.2 1.4 e+b+
1276.9 0.18 e+b+
1332.7 0.14 e+b+
1366 0.019 e+b+
1547 0.010 e+b+
1642.9 0.010 e+b+
1650.2 0.039 e+b+
1840.1 0.06 e+b+

X-rays from 148Dy (3.1 m 1)

E (keV) I (%) Assignment
5,547 0.248 25 Tb Ll
6,239 0.65 4 Tb La2
6,273 5.9 4 Tb La1
6,284 0.086 7 Tb Lh
6,940 0.35 5 Tb Lb4
6,977 3.7 3 Tb Lb1
7,097 0.57 9 Tb Lb3
7,116 0.060 4 Tb Lb6
7,367 1.21 8 Tb Lb2
8,105 0.64 5 Tb Lg1
8,398 0.111 18 Tb Lg2
8,423 0.157 25 Tb Lg3
43,288 0.0074 3 Tb Ka3
43,744 21.7 6 Tb Ka2
44,482 39.0 11 Tb Ka1
50,228 3.94 11 Tb Kb3
50,384 7.61 22 Tb Kb1
50,738 0.125 6 Tb Kb5
51,698 2.53 7 Tb Kb2
51,849 0.94 4 Tb Kb4

Betas from 148Dy (3.1 m 1)

>Eb endpoint (keV) Ib (%) Decay mode
841,9 0.6 e
853,5 0.050 e
865,1 0.002 b+
1039,1 0.25 e
1039,76 3.9 b+
1316,04 0.09 e
1349,3 0.14 e
1405,1 0.19 e
1434,8 1.6 e
1887,1 0.09 e
2061,76 93 e