Input interpretation
U-236 | decay modes
Result
α (alpha emission) | SF (spontaneous fission)
Decay properties
half-life | 23.42 Myr (megayears) (-280 to 310 Myr) mean lifetime | 33.79 Myr (megayears) (-500 to 600 Myr) decay constant | 9.385×10^-16 per second specific activity | 2.394 MBq/g (megabecquerels per gram) width | 4.281×10^-31 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) final decay products | Pb-208 (100%) | Pb-206 (4×10^-9%) | Pb-204 (0%) | Hg-200 (0%) | Hg-204 (0%)
Decay modes
decay mode | α (alpha emission) branching ratio | 100% Q-value | 4.5731 MeV (megaelectronvolts) daughter nuclide | Th-232 decay mode | SF (spontaneous fission) branching ratio | 9.6×10^-8%