Pa
Protactinium-237
Protons (Z)
91
Neutrons (N)
146
Mass number
237
Half-Life
8.7 m
Abundance
---
Mass
237.051 u
Mass Excess
47,528.0 keV
Spin
1/2+
Discovered
1954
Binding energy per nucleon
7,570 keV
Neutron separation energy
5,877 keV
Proton separation energy
6,016 keV
Decay Mode
- β⁻→Uranium-237100%
Decay chain
- PaProtactinium-237Z 91 · N 1468.7 m
- β⁻100%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%