Input interpretation
Mn-54 | decay modes
Result
ϵ (electron capture) | β^- (electron emission) | e^+ (positron emission)
Decay properties
half-life | 312.12 days (311.97 to 312.27 days) mean lifetime | 450.29 days (450 to 450.6 days) decay constant | 2.5703×10^-8 per second specific activity | 286.96 TBq/g (terabecquerels per gram) width | 1.1726×10^-23 eV (electronvolts) decay modes | ϵ (electron capture) | β^- (electron emission) | e^+ (positron emission) final decay products | Cr-54 (100%) | Fe-54 (2.9×10^-4%)
Decay modes
decay mode | ϵ (electron capture) branching ratio | 100% Q-value | 1.37718 MeV (megaelectronvolts) daughter nuclide | Cr-54 decay mode | β^- (electron emission) branching ratio | 2.9×10^-4% Q-value | 697.09 keV (kiloelectronvolts) daughter nuclide | Fe-54 decay mode | e^+ (positron emission) branching ratio | 1.28×10^-7% daughter nuclide | Cr-54