Am
Americium-243m
Protons (Z)
95
Neutrons (N)
148
Mass number
243
Half-Life
5.5 µs
Abundance
---
Mass
243.064 u
Mass Excess
59,480.0 keV
Spin
---
Discovered
1970
Binding energy per nucleon
7,521 keV
Neutron separation energy
4,059 keV
Proton separation energy
2,526 keV
Decay Mode
- SF100%
- γ→Americium-243
Decay chain
- AmAmericium-243Z 95 · N 1485.5 µs
- γ
- α~100%
- β⁻100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%