Input interpretation
Cf-246 | decay modes
Result
α (alpha emission) | ϵ (electron capture) | SF (spontaneous fission)
Decay properties
half-life | 35.7 hours (34.2 to 37.2 h) mean lifetime | 51.5 hours (49 to 54 h) decay constant | 5.39×10^-6 per second specific activity | 13200 TBq/g (terabecquerels per gram) width | 2.46×10^-21 eV (electronvolts) decay modes | α (alpha emission) | ϵ (electron capture) | 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%)
Decay modes
decay mode | α (alpha emission) branching ratio | 100% Q-value | 6.8616 MeV (megaelectronvolts) daughter nuclide | Cm-242 decay mode | ϵ (electron capture) branching ratio | 0.004% Q-value | 123.3 keV (kiloelectronvolts) daughter nuclide | Bk-246 decay mode | SF (spontaneous fission) branching ratio | 2.5×10^-4%