Input interpretation
Ac-209 Re-180 | decay modes
Results
Ac-209 | α (alpha emission) | β^+ (positron emission) Re-180 | β^+ (positron emission)
Decay properties
| Ac-209 | Re-180 half-life | 100 ms (0 to 200 ms) | 146 s (137 to 156 s) mean lifetime | 144 ms (-8 to 290 ms) | 211 s (196 to 227 s) decay constant | 6.93 per second | 0.00473 per second specific activity | 2×10^10 TBq/g | 1.58×10^7 TBq/g width | 3.16×10^-15 eV | 2.16×10^-18 eV decay modes | α (alpha emission) | β^+ (positron emission) | β^+ (positron emission) final decay products | Au-197 (70%) | Hg-201 (29%) | Tl-205 (1%) | Ir-193 (7×10^-5%) | Os-189 (7×10^-12%) | W-180 (100%) | Hf-176 (0%) | Hf-180 (0%)
Decay modes
Ac-209
decay mode | α (alpha emission) branching ratio | 99% Q-value | 7.7292 MeV (megaelectronvolts) daughter nuclide | Fr-205 decay mode | β^+ (positron emission) branching ratio | 1% Q-value | 5.9673 MeV (megaelectronvolts) daughter nuclide | Ra-209
Re-180
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 2.7826 MeV (megaelectronvolts) daughter nuclide | W-180