Sm
Samarium-133m
Protons (Z)
62
Neutrons (N)
71
Mass number
133
Half-Life
3.5 s
Abundance
---
Mass
132.939 u
Mass Excess
-57,110.0 keV
Spin
(1/2-)
Discovered
1993
Binding energy per nucleon
8,136 keV
Neutron separation energy
10,041 keV
Proton separation energy
2,769 keV
Decay Mode
Decay chain
- SmSamarium-133Z 62 · N 713.5 s
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%