Input interpretation
Ac-210 | decay modes
Result
α (alpha emission) | β^+ (positron emission)
Decay properties
half-life | 350 ms (milliseconds) (309.4 to 390.6 ms) mean lifetime | 505 ms (milliseconds) (446.8 to 563.1 ms) decay constant | 1.98 per second specific activity | 5.68×10^9 TBq/g (terabecquerels per gram) width | 1.3×10^-15 eV (electronvolts) decay modes | α (alpha emission) | β^+ (positron emission) final decay products | Hg-202 (70%) | Pb-206 (22%) | Hg-198 (9%)
Decay modes
decay mode | α (alpha emission) branching ratio | 91% Q-value | 7.6072 MeV (megaelectronvolts) daughter nuclide | Fr-206 decay mode | β^+ (positron emission) branching ratio | 9% Q-value | 7.3063 MeV (megaelectronvolts) daughter nuclide | Ra-210