Input interpretation
Am-239 No-264 | decay modes
Results
Am-239 | ϵ (electron capture) | α (alpha emission) No-264 | α (alpha emission) | SF (spontaneous fission)
Decay properties
| Am-239 | No-264 half-life | 11.9 h (11.796 to 12.004 h) | 60 s mean lifetime | 17.2 h (17.018 to 17.318 h) | 90 s decay constant | 1.62×10^-5 per second | 0.011 per second specific activity | 40800 TBq/g | 2.5×10^7 TBq/g width | 1.06×10^-20 eV | 8×10^-18 eV decay modes | ϵ (electron capture) | α (alpha emission) | α (alpha emission) | SF (spontaneous fission) final decay products | Pb-207 (100%) | Tl-205 (9×10^-8%) | Pb-206 (8×10^-10%) | Pb-208 (1×10^-12%) |
Decay modes
Am-239
decay mode | ϵ (electron capture) branching ratio | 100% Q-value | 802.11 keV (kiloelectronvolts) daughter nuclide | Pu-239 decay mode | α (alpha emission) branching ratio | 0.01% Q-value | 5.9224 MeV (megaelectronvolts) daughter nuclide | Np-235
No-264
decay mode | α (alpha emission) Q-value | 6.58 MeV (megaelectronvolts) daughter nuclide | Fm-260 decay mode | SF (spontaneous fission)