140m Eu
63 77
Half life: 125 ms 2
Jp: (5-)
Decay mode: IT, e+b+
Ex(keV): 185.3+x
Sn (keV): 9.71E3 sy
Sp (keV): 1903 54
E(level): 185.3+x keV
Literature cut-off date: 1-Nov-1994
Author(s): L.K. Peker
ENSDF citation: NDS 73,261 (1994)

Decay properties

Mode Branching (%) Q-value (keV)
IT 100
e+b+ <1 8470 50

Gammas from 140mEu (125 ms 2)

Eg (keV) Ig (%) Decay mode
10.7 * IT
48 * IT
59 * IT
174.8 2 100 4* IT
185.3 3 92 4* IT