Input interpretation
Ir-166 | decay modes
Result
α (alpha emission) | p (proton emission)
Decay properties
half-life | 10.5 ms (milliseconds) (8.18 to 12.72 ms) mean lifetime | 15.1 ms (milliseconds) (11.96 to 18.34 ms) decay constant | 66.2 per second specific activity | 2.4×10^11 TBq/g (terabecquerels per gram) width | 4.35×10^-14 eV (electronvolts) decay modes | α (alpha emission) | p (proton emission) final decay products | Sm-149 (1%) | Nd-145 (0.2%) | Sm-144 (0.09%) | Ce-140 (2×10^-5%) | Pr-141 (6×10^-10%) | Dy-158 (0%) | Dy-161 (0%) | Dy-162 (0%) | Er-162 (0%) | Eu-153 (0%) | Gd-154 (0%) | Gd-157 (0%) | Gd-158 (0%) | Ho-165 (0%) | Nd-142 (0%) | Sm-150 (0%) | Sm-152 (0%)
Decay modes
decay mode | α (alpha emission) branching ratio | 93% Q-value | 6.72425 MeV (megaelectronvolts) daughter nuclide | Re-162 decay mode | p (proton emission) branching ratio | 7% Q-value | 1.152 MeV (megaelectronvolts) daughter nuclide | Os-165