Input interpretation
Ac-223 Po-194 | decay modes
Results
Ac-223 | α (alpha emission) | ϵ (electron capture) Po-194 | α (alpha emission) | β^+ (positron emission)
Decay properties
| Ac-223 | Po-194 half-life | 126 s (120 to 132 s) | 392 ms (387.4 to 396.6 ms) mean lifetime | 182 s (171 to 193 s) | 566 ms (559.4 to 571.7 ms) decay constant | 0.0055 per second | 1.77 per second specific activity | 1.49×10^7 TBq/g | 5.48×10^9 TBq/g width | 2.51×10^-18 eV | 1.16×10^-15 eV decay modes | α (alpha emission) | ϵ (electron capture) | α (alpha emission) | β^+ (positron emission) final decay products | Pb-207 (100%) | Tl-205 (9×10^-10%) | W-182 (100%) | Hf-178 (2×10^-8%) | Os-190 (0%) | Pt-194 (0%)
Decay modes
Ac-223
decay mode | α (alpha emission) branching ratio | 99% Q-value | 6.7832 MeV (megaelectronvolts) daughter nuclide | Fr-219 decay mode | ϵ (electron capture) branching ratio | 1% Q-value | 591.78 keV (kiloelectronvolts) daughter nuclide | Ra-223
Po-194
decay mode | α (alpha emission) branching ratio | 100% Q-value | 6.98698 MeV (megaelectronvolts) daughter nuclide | Pb-190 decay mode | β^+ (positron emission) Q-value | 3.9628 MeV (megaelectronvolts) daughter nuclide | Bi-194