Lu
Lutetium-157m
Protons (Z)
71
Neutrons (N)
86
Mass number
157
Half-Life
4.79 s
Abundance
---
Mass
156.95 u
Mass Excess
-46,419.0 keV
Spin
(11/2-)
Discovered
1972
Binding energy per nucleon
8,013 keV
Neutron separation energy
10,790 keV
Proton separation energy
442 keV
Decay Mode
Decay chain
- LuLutetium-157Z 71 · N 864.79 s
- β⁺92.3%
- β⁺100%
- β⁺~100%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%