Sm
Samarium-143n
Protons (Z)
62
Neutrons (N)
81
Mass number
143
Half-Life
30.0 ms
Abundance
---
Mass
142.918 u
Mass Excess
-76,723.3 keV
Spin
23/2-
Discovered
1969
Binding energy per nucleon
8,269 keV
Neutron separation energy
5,813 keV
Proton separation energy
2,870 keV
Decay Mode
- γ→Samarium-143100%
Decay chain
- SmSamarium-143Z 62 · N 8130.0 ms
- γ100%
- β⁺100%
- EC~100%