Input interpretation
Lr-253 | decay modes
Result
α (alpha emission) | SF (spontaneous fission) | β^+ (positron emission)
Decay properties
half-life | 570 ms (milliseconds) (460 to 690 ms) mean lifetime | 822 ms (milliseconds) (0.64 to 1 s) decay constant | 1.22 per second specific activity | 2.89×10^9 TBq/g (terabecquerels per gram) width | 5.55×10^-16 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) | β^+ (positron emission) final decay products | Tl-205 (30%) | Pb-207 (2×10^-12)
Decay modes
decay mode | α (alpha emission) branching ratio | 90% Q-value | 8.93666 MeV (megaelectronvolts) daughter nuclide | Md-249 decay mode | SF (spontaneous fission) branching ratio | 2.6% decay mode | β^+ (positron emission) branching ratio | 1% Q-value | 3.2 MeV (megaelectronvolts) daughter nuclide | No-253