Input interpretation
U-228 | decay modes
Result
α (alpha emission) | ϵ (electron capture)
Decay properties
half-life | 9.17 minutes (8.75 to 9.45 min) mean lifetime | 13.2 minutes (12.7 to 13.5 min) decay constant | 0.00127 per second specific activity | 3.34×10^6 TBq/g (terabecquerels per gram) width | 8.4×10^-19 eV (electronvolts) decay modes | α (alpha emission) | ϵ (electron capture) final decay products | Pb-208 (100%) | Pb-206 (2×10^-10%)
Decay modes
decay mode | α (alpha emission) branching ratio | 95% Q-value | 6.8035 MeV (megaelectronvolts) daughter nuclide | Th-224 decay mode | ϵ (electron capture) branching ratio | 5% Q-value | 300.5 keV (kiloelectronvolts) daughter nuclide | Pa-228