U
Uranium-229
Protons (Z)
92
Neutrons (N)
137
Mass number
229
Half-Life
57.8 m
Abundance
---
Mass
229.034 u
Mass Excess
31,211.0 keV
Spin
3/2+
Discovered
1949
Binding energy per nucleon
7,621 keV
Neutron separation energy
6,080 keV
Proton separation energy
5,002 keV
Decay Mode
Decay chain
- UUranium-229Z 92 · N 13757.8 m
- β⁺80%
- EC99.51%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%