Input interpretation
![Pb-181 | decay modes](../image_source/00cca55b2dedee0bee11b1bdc432ebf6.png)
Pb-181 | decay modes
Result
![α (alpha emission) | β^+ (positron emission)](../image_source/61dc3de06ca99c48845dfcec9c4a2258.png)
α (alpha emission) | β^+ (positron emission)
Decay properties
![half-life | 45 ms (milliseconds) (21 to 73 ms) mean lifetime | 65 ms (milliseconds) (35.1 to 95.1 ms) decay constant | 15 per second specific activity | 5.1×10^10 TBq/g (terabecquerels per gram) width | 1×10^-14 eV (electronvolts) decay modes | α (alpha emission) | β^+ (positron emission) final decay products | Tm-169 (60%) | Yb-173 (26%) | Ho-165 (8%) | Dy-161 (0.02%) | Gd-157 (2×10^-5%) | Eu-153 (5×10^-8%) | Sm-149 (4×10^-8%) | Nd-145 (9×10^-9%) | Pr-141 (2×10^-17%) | Hf-176 (0%) | Hf-177 (0%) | Hf-180 (0%) | Ta-181 (0%) | W-180 (0%)](../image_source/80dd697d13d73c4d9082714bd61b320d.png)
half-life | 45 ms (milliseconds) (21 to 73 ms) mean lifetime | 65 ms (milliseconds) (35.1 to 95.1 ms) decay constant | 15 per second specific activity | 5.1×10^10 TBq/g (terabecquerels per gram) width | 1×10^-14 eV (electronvolts) decay modes | α (alpha emission) | β^+ (positron emission) final decay products | Tm-169 (60%) | Yb-173 (26%) | Ho-165 (8%) | Dy-161 (0.02%) | Gd-157 (2×10^-5%) | Eu-153 (5×10^-8%) | Sm-149 (4×10^-8%) | Nd-145 (9×10^-9%) | Pr-141 (2×10^-17%) | Hf-176 (0%) | Hf-177 (0%) | Hf-180 (0%) | Ta-181 (0%) | W-180 (0%)
Decay modes
![decay mode | α (alpha emission) branching ratio | 98% Q-value | 7.2112 MeV (megaelectronvolts) daughter nuclide | Hg-177 decay mode | β^+ (positron emission) branching ratio | 2% Q-value | 8.6341 MeV (megaelectronvolts) daughter nuclide | Tl-181](../image_source/8e78f5bd73a0eec731cc0d7b3a94bec5.png)
decay mode | α (alpha emission) branching ratio | 98% Q-value | 7.2112 MeV (megaelectronvolts) daughter nuclide | Hg-177 decay mode | β^+ (positron emission) branching ratio | 2% Q-value | 8.6341 MeV (megaelectronvolts) daughter nuclide | Tl-181