Input interpretation
Ac-226 Si-31 | half-life
Results
Ac-226 | 29.36 hours (29.21 to 29.492 h) Si-31 | 157.3 minutes (156.98 to 157.62 min)
Units
Relative values
| visual | ratios | | comparisons Si-31 | | 0.0893 | 1 | 91.07% smaller Ac-226 | | 1 | 11.2 | 1020% larger
Decay properties
| Ac-226 | Si-31 half-life | 29.36 h (29.21 to 29.4919 h) | 157.3 min (156.98 to 157.62 min) mean lifetime | 42.36 h (42.197 to 42.5475 h) | 227 min (226.48 to 227.4 min) decay constant | 6.557×10^-6 per second | 7.3421×10^-5 per second specific activity | 17470 TBq/g | 1.4274×10^6 TBq/g width | 4.315×10^-21 eV | 4.834×10^-20 eV decay modes | β^- (electron emission) | ϵ (electron capture) | α (alpha emission) | β^- (electron emission) final decay products | Pb-206 (100%) | Tl-205 (3×10^-7%) | Pb-208 (2.5×10^-8%) | P-31 (100%)