Input interpretation
Ac-227 | width
Result
4.6055×10^-25 eV (electronvolts)
Decay properties
half-life | 21.772 years (21.764 to 21.78 yr) mean lifetime | 31.41 years (31.398 to 31.423 yr) decay constant | 1.0095×10^-9 per second specific activity | 2.6779 TBq/g (terabecquerels per gram) width | 4.6055×10^-25 eV (electronvolts) decay modes | β^- (electron emission) | α (alpha emission) final decay products | Pb-207 (100%) | Tl-205 (9×10^-8%)
Unit conversion
7.3788×10^-44 J (joules)
Interpretations
energy
kinetic energy
electron affinity
Basic unit dimensions
[mass] [length]^2 [time]^(-2)