Input interpretation
At-217 | decay modes
Result
α (alpha emission) | β^- (electron emission)
Decay properties
half-life | 32.3 ms (milliseconds) (31.87 to 32.73 ms) mean lifetime | 46.6 ms (milliseconds) (45.98 to 47.22 ms) decay constant | 21.5 per second specific activity | 5.96×10^10 TBq/g (terabecquerels per gram) width | 1.41×10^-14 eV (electronvolts) decay modes | α (alpha emission) | β^- (electron emission) final decay products | Tl-205 (100%)
Decay modes
decay mode | α (alpha emission) branching ratio | 100% Q-value | 7.20129 MeV (megaelectronvolts) daughter nuclide | Bi-213 decay mode | β^- (electron emission) branching ratio | 0.008% Q-value | 736.95 keV (kiloelectronvolts) daughter nuclide | Rn-217