Input interpretation
No-250 | decay modes
Result
SF (spontaneous fission) | α (alpha emission) | β^+ (positron emission)
Decay properties
half-life | 4.2 µs (microseconds) (2 to 5.8 µs) mean lifetime | 6.1 µs (microseconds) (2 to 8.7 µs) decay constant | 170000 per second specific activity | 4×10^14 TBq/g (terabecquerels per gram) width | 7.5×10^-11 eV (electronvolts) decay modes | SF (spontaneous fission) | α (alpha emission) | β^+ (positron emission) final decay products | Pb-206 (2×10^-4%) | Tl-205 (5×10^-12%) | Pb-208 (6×10^-15%) | W-184 (2×10^-17%) | Yb-168 (5×10^-21%) | Er-164 (4×10^-21%) | Dy-160 (2×10^-22%) | Dy-156 (1×10^-24%) | Sm-144 (1×10^-25%) | Ce-140 (1×10^-26%) | 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 | SF (spontaneous fission) branching ratio | 100% decay mode | α (alpha emission) branching ratio | 0.1% Q-value | 8.95 MeV (megaelectronvolts) daughter nuclide | Fm-246 decay mode | β^+ (positron emission) branching ratio | 2.5×10^-4% Q-value | 1.857 MeV (megaelectronvolts) daughter nuclide | Md-250