Input interpretation
P-26 (phosphorus-26)
Decay properties
half-life | 43.7 ms (milliseconds) (42 to 45 ms) mean lifetime | 63 ms (milliseconds) (60 to 66 ms) decay constant | 15.9 per second specific activity | 3.67×10^11 TBq/g (terabecquerels per gram) width | 7.24×10^-15 eV (electronvolts) decay modes | β^+ (positron emission) | β^+2p (positron + delayed 2 protons) | β^+p (positron + delayed proton) final decay products | Mg-26 (100%) | Mg-24 (1%) | Mg-25 (0.9%)
Decay modes
decay mode | β^+ (positron emission) branching ratio | 98% Q-value | 17.096 MeV (megaelectronvolts) daughter nuclide | Si-26 decay mode | β^+2p (positron + delayed 2 protons) branching ratio | 1% daughter nuclide | Mg-24 decay mode | β^+p (positron + delayed proton) branching ratio | 0.9% daughter nuclide | Al-25
Decay chain
Decay chain
Mass properties
atomic number (Z) | 15 mass number (A) | 26 neutron number | 11 atomic mass | 26.01178 u (unified atomic mass units) mass excess | 10.973 MeV (megaelectronvolts) binding energy per nucleon | 7.198 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3^+ (atomic fermion)
Quantum properties