Hf
Hafnium-171m
Protons (Z)
72
Neutrons (N)
99
Mass number
171
Half-Life
29.5 s
Abundance
---
Mass
170.941 u
Mass Excess
-55,409.0 keV
Spin
1/2-
Discovered
1997
Binding energy per nucleon
8,066 keV
Neutron separation energy
7,226 keV
Proton separation energy
5,392 keV
Decay Mode
Decay chain
- HfHafnium-171Z 72 · N 9929.5 s
- γ100%
- β⁺100%
- β⁺100%