Er
Erbium-148
Protons (Z)
68
Neutrons (N)
80
Mass number
148
Half-Life
4.6 s
Abundance
---
Mass
147.945 u
Mass Excess
-51,479.0 keV
Spin
0+
Discovered
1982
Binding energy per nucleon
8,060 keV
Neutron separation energy
12,940 keV
Proton separation energy
3,011 keV
Decay Mode
Decay chain
- ErErbium-148Z 68 · N 804.6 s
- β⁺99.85%
- β⁺100%
- β⁺100%
- β⁺100%
- α100%