Hf
Hafnium-181m
Protons (Z)
72
Neutrons (N)
109
Mass number
181
Half-Life
80.0 µs
Abundance
---
Mass
180.95 u
Mass Excess
-46,807.7 keV
Spin
9/2+
Discovered
2001
Binding energy per nucleon
8,019 keV
Neutron separation energy
5,100 keV
Proton separation energy
7,417 keV
Decay Mode
- γ→Hafnium-181100%
Decay chain
- HfHafnium-181Z 72 · N 10980.0 µs
- γ100%
- β⁻100%