Er
Erbium-153m
Protons (Z)
68
Neutrons (N)
85
Mass number
153
Half-Life
373.0 ns
Abundance
---
Mass
152.938 u
Mass Excess
-57,669.0 keV
Spin
(27/2-)
Discovered
1979
Binding energy per nucleon
8,101 keV
Neutron separation energy
5,240 keV
Proton separation energy
1,353 keV
Decay Mode
- γ→Erbium-153100%
Decay chain
- ErErbium-153Z 68 · N 85373.0 ns
- γ100%
- α53%
- β⁺100%
- β⁺83.3%
- β⁺~100%
- EC100%