Input interpretation
Po-200 Pm-133 | half-life
Results
Po-200 | 11.5 minutes (11.38 to 11.62 min) Pm-133 | 15 seconds (11.8 to 18.4 s)
Units
Relative values
| visual | ratios | | comparisons Pm-133 | | 0.022 | 1 | 97.8% smaller Po-200 | | 1 | 46 | 4500% larger
Decay properties
| Po-200 | Pm-133 half-life | 11.5 min (11.38 to 11.62 min) | 15 s (11.8 to 18.3 s) mean lifetime | 16.6 min (16.43 to 16.74 min) | 22 s (17.1 to 26.2 s) decay constant | 0.00101 per second | 0.045 per second specific activity | 3.03×10^6 TBq/g | 2.1×10^8 TBq/g width | 6.61×10^-19 eV | 3×10^-17 eV decay modes | β^+ (positron emission) | α (alpha emission) | β^+ (positron emission) final decay products | Hg-200 (89%) | Hg-196 (11.1%) | Pt-192 (3.3×10^-6%) | Os-188 (1.3×10^-13%) | Os-184 (3×10^-20%) | Hf-176 (0%) | Hf-180 (0%) | Pt-196 (0%) | W-180 (0%) | W-184 (0%) | Cs-133 (100%)