Lu
Lutetium-172m
Protons (Z)
71
Neutrons (N)
101
Mass number
172
Half-Life
3.7 m
Abundance
---
Mass
171.939 u
Mass Excess
-56,694.2 keV
Spin
1-
Discovered
1962
Binding energy per nucleon
8,078 keV
Neutron separation energy
6,937 keV
Proton separation energy
4,676 keV
Decay Mode
Decay chain
- LuLutetium-172Z 71 · N 1013.7 m
- γ100%
- β⁺100%