Input interpretation
U-234 | decay modes
Result
α (alpha emission) | SF (spontaneous fission) | ^28Mg (cluster emission) | ^24Ne +^26Ne (double cluster emission)
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%)
Decay modes
decay mode | α (alpha emission) branching ratio | 100% Q-value | 4.85773 MeV (megaelectronvolts) daughter nuclide | Th-230 decay mode | SF (spontaneous fission) branching ratio | 1.73×10^-9% decay mode | ^28Mg (cluster emission) branching ratio | 1.4×10^-11% daughter nuclide | Hg-206 decay mode | ^24Ne +^26Ne (double cluster emission) branching ratio | 9×10^-12% daughter nuclide | Hf-184