Input interpretation
Pm-144 Rf-253 | decay modes
Results
Pm-144 | ϵ (electron capture) | e^+ (positron emission) Rf-253 | α (alpha emission) | SF (spontaneous fission)
Decay properties
| Pm-144 | Rf-253 half-life | 363 days (348.6 to 377.5 days) | 13 ms (6.9 to 18.3 ms) mean lifetime | 523 days (502.9 to 544.4 days) | 19 ms (11.3 to 26.3 ms) decay constant | 2.21×10^-8 per second | 53 per second specific activity | 92.6 TBq/g | 1.3×10^11 TBq/g width | 1.45×10^-23 eV | 3.5×10^-14 eV decay modes | ϵ (electron capture) | e^+ (positron emission) | α (alpha emission) | SF (spontaneous fission) final decay products | Ce-140 (100%) | Pb-207 (0%) | Tl-205 (0%)
Decay modes
Pm-144
decay mode | ϵ (electron capture) branching ratio | 100% Q-value | 2.33206 MeV (megaelectronvolts) daughter nuclide | Nd-144 decay mode | e^+ (positron emission) branching ratio | 8×10^-5% daughter nuclide | Nd-144
Rf-253
decay mode | α (alpha emission) branching ratio | 50% Q-value | 9.55 MeV (megaelectronvolts) daughter nuclide | No-249 decay mode | SF (spontaneous fission) branching ratio | 50%