Input interpretation
At-219 Ba-151 | decay modes
Results
At-219 | α (alpha emission) | β^- (electron emission) Ba-151 | β^- (electron emission)
Decay properties
| At-219 | Ba-151 half-life | 56 s (52.5 to 59.5 s) | 300 ns (2.97×10^-7 to ∞ s) mean lifetime | 81 s (75.8 to 85.8 s) | 433 ns (4.28×10^-7 to ∞ s) decay constant | 0.012 per second | 2.31×10^6 per second specific activity | 3.4×10^7 TBq/g | 9.22×10^15 TBq/g width | 8.1×10^-18 eV | 1.05×10^-9 eV decay modes | α (alpha emission) | β^- (electron emission) | β^- (electron emission) final decay products | Pb-207 (100%) | Eu-151 (0%)
Decay modes
At-219
decay mode | α (alpha emission) branching ratio | 97% Q-value | 6.3236 MeV (megaelectronvolts) daughter nuclide | Bi-215 decay mode | β^- (electron emission) branching ratio | 3% Q-value | 1.5663 MeV (megaelectronvolts) daughter nuclide | Rn-219
Ba-151
decay mode | β^- (electron emission) Q-value | 8.467 MeV (megaelectronvolts) daughter nuclide | La-151