Input interpretation
Pr-121 Ra-214 | decay modes
Results
Pr-121 | p (proton emission) | β^+ (positron emission) | β^+p (positron + delayed proton) Ra-214 | α (alpha emission) | β^+ (positron emission)
Decay properties
| Pr-121 | Ra-214 half-life | 1.4 s (0 to 3 s) | 2.46 s (2.428 to 2.493 s) mean lifetime | 2 s (-0.5 to 5 s) | 3.55 s (3.504 to 3.595 s) decay constant | 0.5 per second | 0.282 per second specific activity | 2.5×10^9 TBq/g | 7.93×10^8 TBq/g width | 2.3×10^-16 eV | 1.85×10^-16 eV decay modes | p (proton emission) | β^+ (positron emission) | β^+p (positron + delayed proton) | α (alpha emission) | β^+ (positron emission) final decay products | Sb-121 (0%) | Te-120 (0%) | Sn-115 (0%) | Sn-116 (0%) | Sn-119 (0%) | Sn-120 (0%) | Pb-206 (90%) | Hg-202 (5.2%) | Hg-198 (0.05%)
Decay modes
Pr-121
decay mode | p (proton emission) Q-value | 837 keV (kiloelectronvolts) daughter nuclide | Ce-120 decay mode | β^+ (positron emission) Q-value | 10.103 MeV (megaelectronvolts) daughter nuclide | Ce-121 decay mode | β^+p (positron + delayed proton) daughter nuclide | La-120
Ra-214
decay mode | α (alpha emission) branching ratio | 100% Q-value | 7.2735 MeV (megaelectronvolts) daughter nuclide | Rn-210 decay mode | β^+ (positron emission) branching ratio | 0.059% Q-value | 36.7 keV (kiloelectronvolts) daughter nuclide | Fr-214