Input interpretation
At-203 Tl-184 | decay modes
Results
At-203 | β^+ (positron emission) | α (alpha emission) Tl-184 | β^+ (positron emission) | α (alpha emission)
Decay properties
| At-203 | Tl-184 half-life | 7.33 min (7.12 to 7.68 min) | 11 s (9 to 13 s) mean lifetime | 10.7 min (10.3 to 11.1 min) | 16 s (11 to 20 s) decay constant | 0.00156 per second | 0.063 per second specific activity | 4.64×10^6 TBq/g | 2.1×10^8 TBq/g width | 1×10^-18 eV | 2.9×10^-17 eV decay modes | β^+ (positron emission) | α (alpha emission) | β^+ (positron emission) | α (alpha emission) final decay products | Tl-203 (69%) | Hg-199 (31%) | Os-184 (97%) | W-180 (3.2%) | Hf-176 (0.05%) | Yb-172 (0.001%) | Hf-180 (0%) | W-184 (0%)
Decay modes
At-203
decay mode | β^+ (positron emission) branching ratio | 69% Q-value | 4.1214 MeV (megaelectronvolts) daughter nuclide | Po-203 decay mode | α (alpha emission) branching ratio | 31% Q-value | 6.21005 MeV (megaelectronvolts) daughter nuclide | Bi-199
Tl-184
decay mode | β^+ (positron emission) branching ratio | 97.9% Q-value | 8.4418 MeV (megaelectronvolts) daughter nuclide | Hg-184 decay mode | α (alpha emission) branching ratio | 2.1% Q-value | 6.2864 MeV (megaelectronvolts) daughter nuclide | Au-180