Input interpretation
Pb-197 Yb-157 | decay modes
Results
Pb-197 | β^+ (positron emission) Yb-157 | β^+ (positron emission) | α (alpha emission)
Decay properties
| Pb-197 | Yb-157 half-life | 8 min (5.93 to 11 min) | 38.6 s (37.56 to 39.66 s) mean lifetime | 11.5 min (8.52 to 14.6 min) | 55.7 s (54.21 to 57.17 s) decay constant | 0.00145 per second | 0.018 per second specific activity | 4.43×10^6 TBq/g | 6.89×10^7 TBq/g width | 9.5×10^-19 eV | 1.18×10^-17 eV decay modes | β^+ (positron emission) | β^+ (positron emission) | α (alpha emission) final decay products | Au-197 (100%) | Gd-157 (100%) | Eu-153 (0.23%) | Sm-149 (0.22%) | Nd-145 (0.04%) | Pr-141 (1×10^-10%)
Decay modes
Pb-197
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 2.5702 MeV (megaelectronvolts) daughter nuclide | Tl-197
Yb-157
decay mode | β^+ (positron emission) branching ratio | 99.5% Q-value | 4.2453 MeV (megaelectronvolts) daughter nuclide | Tm-157 decay mode | α (alpha emission) branching ratio | 0.5% Q-value | 4.62124 MeV (megaelectronvolts) daughter nuclide | Er-153