Input interpretation
Es-254 Au-193 | half-life
Results
Es-254 | 275.7 days (275.17 to 276.23 days) Au-193 | 17.65 hours (17.497 to 17.803 h)
Units
Relative values
| visual | ratios | | comparisons Au-193 | | 0.002668 | 1 | 99.7332% smaller Es-254 | | 1 | 374.9 | 37390% larger
Decay properties
| Es-254 | Au-193 half-life | 275.7 days (275.17 to 276.23 days) | 17.65 h (17.498 to 17.802 h) mean lifetime | 397.8 days (396.99 to 398.51 days) | 25.464 h (25.245 to 25.682 h) decay constant | 2.91×10^-8 per second | 1.0909×10^-5 per second specific activity | 68.96 TBq/g | 34045 TBq/g width | 1.915×10^-23 eV | 7.18×10^-21 eV decay modes | α (alpha emission) | ϵ (electron capture) | β^- (electron emission) | SF (spontaneous fission) | β^+ (positron emission) | α (alpha emission) final decay products | Pb-206 (100%) | Tl-205 (2×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (5×10^-27%) | Er-164 (4×10^-27%) | Dy-160 (2×10^-28%) | Dy-156 (1×10^-30%) | Sm-144 (1×10^-31%) | Ce-140 (1×10^-32%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%) | Ir-193 (100%) | Os-189 (1×10^-5%)