Sm
Samarium-141m
Protons (Z)
62
Neutrons (N)
79
Mass number
141
Half-Life
22.6 m
Abundance
---
Mass
140.919 u
Mass Excess
-75,758.0 keV
Spin
11/2-
Discovered
1967
Binding energy per nucleon
8,265 keV
Neutron separation energy
8,373 keV
Proton separation energy
4,835 keV
Decay Mode
Decay chain
- SmSamarium-141Z 62 · N 7922.6 m
- β⁺99.69%
- β⁺100%
- β⁺100%