Input interpretation
Ac-231 | decay modes
Result
β^- (electron emission)
Decay properties
half-life | 7.5 minutes (7.32 to 7.68 min) mean lifetime | 10.8 minutes (10.6 to 11.1 min) decay constant | 0.00154 per second specific activity | 4.01×10^6 TBq/g (terabecquerels per gram) width | 1×10^-18 eV (electronvolts) decay modes | β^- (electron emission) final decay products | Pb-207 (100%) | Tl-205 (9×10^-10) | Pb-208 (1×10^-14)
Decay mode
decay mode | β^- (electron emission) Q-value | 2.1 MeV (megaelectronvolts) daughter nuclide | Th-231