Input interpretation
Fm-259 | mean lifetime
Result
2.2 seconds (1.71 to 2.63 s)
Decay properties
half-life | 1.5 seconds (1.18 to 1.82 s) mean lifetime | 2.2 seconds (1.71 to 2.62 s) decay constant | 0.45 per second specific activity | 1.1×10^9 TBq/g (terabecquerels per gram) width | 3×10^-16 eV (electronvolts) decay modes | SF (spontaneous fission)