Input interpretation
Al-21 | decay constant
Result
2×10^7 per second
Decay properties
half-life | 35 ns (nanoseconds) (0 to 39 ns) mean lifetime | 50 ns (nanoseconds) (-6.675×10^-299 to 51.4 ns) decay constant | 2×10^7 per second specific activity | 5.7×10^17 TBq/g (terabecquerels per gram) width | 1.3×10^-8 eV (electronvolts) decay modes | p (proton emission) final decay products | F-19 (0%) | Ne-20 (0%) | O-16 (0%)
Corresponding quantities
Lifetime from τ = 1/λ: | 50 ns (nanoseconds)
Half-life from t_(1/2) = log(2)/λ: | 35 ns (nanoseconds)