Input interpretation
Sg-259 Pb-197 | half-life
Results
Sg-259 | 480 ms (milliseconds) (340 to 790 ms) Pb-197 | 8 minutes (5.93 to 11 min)
Units
Relative values
| visual | ratios | | comparisons Sg-259 | | 0.001 | 1 | 99.9% smaller Pb-197 | | 1 | 1000 | 100000% larger
Decay properties
| Sg-259 | Pb-197 half-life | 480 ms (340 to 780 ms) | 8 min (5.93 to 11 min) mean lifetime | 692 ms (0.48 to 1.1 s) | 11.5 min (8.52 to 14.6 min) decay constant | 1.44 per second | 0.00145 per second specific activity | 3.36×10^9 TBq/g | 4.43×10^6 TBq/g width | 6.59×10^-16 eV | 9.5×10^-19 eV decay modes | α (alpha emission) | SF (spontaneous fission) | β^+ (positron emission) final decay products | Pb-207 (40%) | Tl-205 (3×10^-10) | Pb-206 (3×10^-12) | Pb-208 (4×10^-15) | Au-197 (100%)