157m Dy
66 91
Half life: 21.6 ms 16
Jp: 11/2-
Decay mode: IT
Ex(keV): 199.38 7
Sn (keV): 6969 6
Sp (keV): 6621 7
E(level): 199.38 7 keV
Literature cut-off date: 1-Mar-1996
Author(s): R.G. Helmer
ENSDF citation: NDS 78,219 (1996)

Decay properties

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

Gammas from 157mDy (21.6 ms 16)

Eg (keV) Ig (%) Decay mode
14.23 5 3.6 6 IT
37.36 8 23.0 9 IT
51.7 1 IT
61.11 2 6.9 7 IT
86.55 2 20.9 14 IT
147.73 1 6.7 11 IT

X-rays from 157mDy (21.6 ms 16)

E (keV) I (%) Assignment
5,743 0.73 10 Dy Ll
6,458 1.91 20 Dy La2
6,495 17.2 18 Dy La1
6,534 0.28 3 Dy Lh
7,204 0.92 15 Dy Lb4
7,248 12.4 14 Dy Lb1
7,370 1.49 24 Dy Lb3
7,374 0.181 19 Dy Lb6
7,636 3.5 4 Dy Lb2
8,426 2.16 24 Dy Lg1
8,714 0.29 5 Dy Lg2
8,753 0.42 7 Dy Lg3
44,743 0.0126 8 Dy Ka3
45,208 33.7 21 Dy Ka2
45,998 60 4 Dy Ka1
51,947 6.2 4 Dy Kb3
52,113 11.9 7 Dy Kb1
52,475 0.206 15 Dy Kb5
53,476 3.98 24 Dy Kb2
53,634 1.37 10 Dy Kb4