Input interpretation
Sg-272 Es-247 | half-life
Results
Sg-272 | 67 minutes Es-247 | 4.55 minutes (4.22 to 4.88 min)
Units
Relative values
| visual | ratios | | comparisons Es-247 | | 0.068 | 1 | 93.2% smaller Sg-272 | | 1 | 15 | 1400% larger
Decay properties
| Sg-272 | Es-247 half-life | 67 min | 4.55 min (4.23 to 4.87 min) mean lifetime | 83 min | 6.56 min (6.1 to 7.1 min) decay constant | 2×10^-4 per second | 0.00254 per second specific activity | 440000 TBq/g | 6.19×10^6 TBq/g width | 1×10^-19 eV | 1.16×10^-18 eV decay modes | α (alpha emission) | SF (spontaneous fission) | β^+ (positron emission) | α (alpha emission) | SF (spontaneous fission) final decay products | | Pb-207 (100%) | Tl-205 (9×10^-8%) | Pb-206 (8×10^-10%) | Pb-208 (1×10^-12%)