Input interpretation
At-203 W-167 | decay modes
Results
At-203 | β^+ (positron emission) | α (alpha emission) W-167 | β^+ (positron emission) | α (alpha emission)
Decay properties
| At-203 | W-167 half-life | 7.33 min (7.12 to 7.68 min) | 19.9 s (19.39 to 20.43 s) mean lifetime | 10.7 min (10.3 to 11.1 min) | 28.7 s (27.97 to 29.45 s) decay constant | 0.00156 per second | 0.0348 per second specific activity | 4.64×10^6 TBq/g | 1.26×10^8 TBq/g width | 1×10^-18 eV | 2.29×10^-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%) | Er-167 (100%) | Dy-163 (0.04%) | Tb-159 (4×10^-8%)
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
W-167
decay mode | β^+ (positron emission) branching ratio | 99.96% Q-value | 5.2402 MeV (megaelectronvolts) daughter nuclide | Ta-167 decay mode | α (alpha emission) branching ratio | 0.04% Q-value | 4.7728 MeV (megaelectronvolts) daughter nuclide | Hf-163