Hf
Hafnium-157
Protons (Z)
72
Neutrons (N)
85
Mass number
157
Half-Life
115.0 ms
Abundance
---
Mass
156.958 u
Mass Excess
-38,860.0 keV
Spin
7/2-
Discovered
1965
Binding energy per nucleon
7,960 keV
Neutron separation energy
9,111 keV
Proton separation energy
2,449 keV
Decay Mode
Decay chain
- HfHafnium-157Z 72 · N 85115.0 ms
- α94%
- β⁺p0.008%
- α90%
- β⁺100%
- β⁺100%
- α100%