Input interpretation
Pm-146 | decay modes
Result
ϵ (electron capture) | β^- (electron emission)
Decay properties
half-life | 5.53 years (5.4 to 5.7 yr) mean lifetime | 7.98 years (7.7 to 8.2 yr) decay constant | 3.97×10^-9 per second specific activity | 16.4 TBq/g (terabecquerels per gram) width | 1.81×10^-24 eV (electronvolts) decay modes | ϵ (electron capture) | β^- (electron emission) final decay products | Nd-146 (66%) | Nd-142 (34%) | Ba-138 (0%) | Ce-142 (0%)
Decay modes
decay mode | ϵ (electron capture) branching ratio | 66% Q-value | 1.47117 MeV (megaelectronvolts) daughter nuclide | Nd-146 decay mode | β^- (electron emission) branching ratio | 34% Q-value | 1.542 MeV (megaelectronvolts) daughter nuclide | Sm-146