Lu
Lutetium-174m
Protons (Z)
71
Neutrons (N)
103
Mass number
174
Half-Life
142.0 d
Abundance
---
Mass
173.941 u
Mass Excess
-55,399.5 keV
Spin
6-
Discovered
1960
Binding energy per nucleon
8,070 keV
Neutron separation energy
6,590 keV
Proton separation energy
5,137 keV
Decay Mode
Decay chain
- LuLutetium-174Z 71 · N 103142.0 d
- γ99.38%
- β⁺100%