Pu
Plutonium-237m
Protons (Z)
94
Neutrons (N)
143
Mass number
237
Half-Life
180.0 ms
Abundance
---
Mass
237.049 u
Mass Excess
45,237.2 keV
Spin
1/2+
Discovered
1972
Binding energy per nucleon
7,570 keV
Neutron separation energy
5,736 keV
Proton separation energy
5,432 keV
Decay Mode
- γ→Plutonium-237100%
Decay chain
- PuPlutonium-237Z 94 · N 143180.0 ms
- γ100%
- EC99.996%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%