Input interpretation
U-235 U-232 | decay modes
Results
U-235 | α (alpha emission) | SF (spontaneous fission) | ^28Mg (cluster emission) | ^25Ne (cluster emission) | ^20Ne (cluster emission) U-232 | α (alpha emission) | ^24Ne (cluster emission) | ^28Mg (cluster emission) | SF (spontaneous fission)
Decay properties
| U-235 | U-232 half-life | 0.704 Gyr (702.2 to 706.6 Myr) | 68.8 yr (68.46 to 69.42 yr) mean lifetime | 1.02 Gyr (1.014 to 1.019 Gyr) | 99.6 yr (98.81 to 100.1 yr) decay constant | 3.12×10^-17 per second | 3.18×10^-10 per second specific activity | 79.8 kBq/g | 827 GBq/g width | 2.05×10^-32 eV | 2.1×10^-25 eV decay modes | α (alpha emission) | SF (spontaneous fission) | ^28Mg (cluster emission) | ^25Ne (cluster emission) | ^20Ne (cluster emission) | α (alpha emission) | ^24Ne (cluster emission) | ^28Mg (cluster emission) | SF (spontaneous fission) final decay products | Pb-207 (100%) | Tl-205 (9×10^-8%) | Pb-206 (8×10^-10%) | Pb-208 (1×10^-12%) | Pb-208 (100%) | Pb-206 (4×10^-9%) | Hg-204 (5×10^-12%) | Pb-204 (0%) | Hg-200 (0%)
Decay modes
U-235
decay mode | α (alpha emission) branching ratio | 100% Q-value | 4.67826 MeV (megaelectronvolts) daughter nuclide | Th-231 decay mode | SF (spontaneous fission) branching ratio | 7×10^-9% decay mode | ^28Mg (cluster emission) branching ratio | 8×10^-10% daughter nuclide | Hg-207 decay mode | ^25Ne (cluster emission) branching ratio | 8×10^-10% daughter nuclide | Pb-210 decay mode | ^20Ne (cluster emission) branching ratio | 8×10^-10% daughter nuclide | Pb-215
U-232
decay mode | α (alpha emission) branching ratio | 100% Q-value | 5.41363 MeV (megaelectronvolts) daughter nuclide | Th-228 decay mode | ^24Ne (cluster emission) branching ratio | 8.9×10^-10% daughter nuclide | Pb-208 decay mode | ^28Mg (cluster emission) branching ratio | 5×10^-12% daughter nuclide | Hg-204 decay mode | SF (spontaneous fission) branching ratio | 1×10^-12%