Input interpretation
Lr-256 | decay modes
Result
α (alpha emission) | β^+ (positron emission) | SF (spontaneous fission)
Decay properties
half-life | 27 seconds (23.7 to 30.3 s) mean lifetime | 39 seconds (34.3 to 43.6 s) decay constant | 0.026 per second specific activity | 6×10^7 TBq/g (terabecquerels per gram) width | 1.7×10^-17 eV (electronvolts) decay modes | α (alpha emission) | β^+ (positron emission) | SF (spontaneous fission) final decay products | Pb-208 (100%) | Pb-206 (4×10^-9%) | Hg-204 (8×10^-26%) | Pb-204 (0%) | Hg-200 (0%)
Decay modes
decay mode | α (alpha emission) branching ratio | 85% Q-value | 8.817 MeV (megaelectronvolts) daughter nuclide | Md-252 decay mode | β^+ (positron emission) branching ratio | 15% Q-value | 3.027 MeV (megaelectronvolts) daughter nuclide | No-256 decay mode | SF (spontaneous fission) branching ratio | 0.03%