Input interpretation
Yb-158 Pa-219 | half-life
Results
Yb-158 | 89.4 seconds (80.6 to 98.2 s) Pa-219 | 53 ns (nanoseconds) (39 to 72 ns)
Units
Relative values
| visual | ratios | | comparisons Pa-219 | | 5.9×10^-10 | 1 | 99.999999941% smaller Yb-158 | | 1 | 1.7×10^9 | 1.7×10^11% larger
Decay properties
| Yb-158 | Pa-219 half-life | 89.4 s (80.7 to 98.1 s) | 53 ns (39 to 71 ns) mean lifetime | 129 s (117.7 to 140.3 s) | 76 ns (61.2 to 91.8 ns) decay constant | 0.00775 per second | 1.3×10^7 per second specific activity | 2.96×10^7 TBq/g | 3.6×10^16 TBq/g width | 5.1×10^-18 eV | 8.6×10^-9 eV decay modes | β^+ (positron emission) | α (alpha emission) | α (alpha emission) | β^+ (positron emission) final decay products | Dy-158 (100%) | Nd-142 (0.0021%) | Gd-154 (0%) | Gd-158 (0%) | Sm-150 (0%) | Pb-207 (90%) | Tl-203 (7%) | Hg-199 (7×10^-7%)