Input interpretation
U-234 | decay constant
Result
8.953×10^-14 per second
Decay properties
half-life | 0.2455 Myr (megayears) (-4 to 4 Myr) mean lifetime | 0.3542 Myr (megayears) (-8 to 8 Myr) decay constant | 8.953×10^-14 per second specific activity | 230.4 MBq/g (megabecquerels per gram) width | 4.084×10^-29 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) | ^28Mg (cluster emission) | ^24Ne +^26Ne (double cluster emission) final decay products | Pb-206 (100%) | Tl-205 (1.9×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Hf-180 (0%)
Corresponding quantities
Lifetime from τ = 1/λ: | 1.117×10^13 seconds | 354 kyr (kiloyears)
Half-life from t_(1/2) = log(2)/λ: | 7.742×10^12 seconds | 246 kyr (kiloyears)