Tb
Terbium-148m
Protons (Z)
65
Neutrons (N)
83
Mass number
148
Half-Life
2.2 m
Abundance
---
Mass
147.924 u
Mass Excess
-70,447.0 keV
Spin
(9+)
Discovered
1973
Binding energy per nucleon
8,204 keV
Neutron separation energy
7,775 keV
Proton separation energy
2,379 keV
Decay Mode
- β⁺→Gadolinium-148100%
Decay chain
- TbTerbium-148Z 65 · N 832.2 m
- β⁺100%
- α100%