Input interpretation
Cf-246 Rf-253 | half-life
Results
Cf-246 | 35.7 hours (34.1 to 37.3 h) Rf-253 | 13 ms (milliseconds) (6.8 to 18.4 ms)
Units
Relative values
| visual | ratios | | comparisons Rf-253 | | 1×10^-7 | 1 | 99.99999% smaller Cf-246 | | 1 | 1×10^7 | 1×10^9% larger
Decay properties
| Cf-246 | Rf-253 half-life | 35.7 h (34.2 to 37.2 h) | 13 ms (6.9 to 18.3 ms) mean lifetime | 51.5 h (49 to 54 h) | 19 ms (11.3 to 26.3 ms) decay constant | 5.39×10^-6 per second | 53 per second specific activity | 13200 TBq/g | 1.3×10^11 TBq/g width | 2.46×10^-21 eV | 3.5×10^-14 eV decay modes | α (alpha emission) | ϵ (electron capture) | SF (spontaneous fission) | α (alpha emission) | SF (spontaneous fission) final decay products | Pb-206 (100%) | Tl-205 (1.9×10^-6%) | Pb-208 (2.6×10^-9%) | W-184 (9×10^-12%) | Yb-168 (2×10^-15%) | Er-164 (2×10^-15%) | Dy-160 (8×10^-17%) | Dy-156 (5×10^-19%) | Sm-144 (5×10^-20%) | Ce-140 (5×10^-21%) | Dy-164 (0%) | Er-168 (0%) | Gd-156 (0%) | Hf-176 (0%) | Hf-180 (0%) | Sm-152 (0%) | Yb-172 (0%) | Pb-207 (0%) | Tl-205 (0%)