Sm
Samarium-144m
Protons (Z)
62
Neutrons (N)
82
Mass number
144
Half-Life
880.0 ns
Abundance
---
Mass
143.915 u
Mass Excess
-79,642.0 keV
Spin
6+
Discovered
1972
Binding energy per nucleon
8,288 keV
Neutron separation energy
8,196 keV
Proton separation energy
3,970 keV
Decay Mode
- γ→Samarium-144100%
Decay chain
- SmSamarium-144Z 62 · N 82880.0 ns
- γ100%