Input interpretation
beta plus delayed fission | decay modes
Table
Am-232 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Am-234 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Bk-238 | β^+ (positron emission) | β^+SF (positron + delayed fission) | α (alpha emission) Bk-240 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Bk-242 | β^+ (positron emission) | β^+SF (positron + delayed fission) | α (alpha emission) Es-242 | β^+SF (positron + delayed fission) | α (alpha emission) Es-244 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Es-246 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Es-248 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Fm-246 | β^+SF (positron + delayed fission) | SF (spontaneous fission) | α (alpha emission) Md-248 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Md-250 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission) Np-228 | ϵ (electron capture) | α (alpha emission) | β^+SF (positron + delayed fission) Tl-180 | β^+ (positron emission) | α (alpha emission) | β^+SF (positron + delayed fission)
Decay properties
half-life | median | 70 s | highest | 27 min (21.8 to 32.2 min) (Es-248) | lowest | 1.1 s (0.79 to 1.31 s) (Fm-246) | distribution | mean lifetime | median | 101 s | highest | 38 min (31.48 to 46.53 min) (Es-248) | lowest | 1.6 s (1.28 to 1.89 s) (Fm-246) | distribution | decay constant | highest | 0.62 per second (Fm-246) | lowest | 4.3×10^-4 per second (Es-248) | median | 0.0101 per second | distribution | specific activity | highest | 1.5×10^9 TBq/g (Fm-246) | lowest | 1.1×10^6 TBq/g (Es-248) | median | 2.64×10^7 TBq/g width | median | 6.62×10^-18 eV | highest | 4.1×10^-16 eV (Fm-246) | lowest | 2.8×10^-19 eV (Es-248)
Units
