Input interpretation
Fe-45 (iron-45)
Decay properties
half-life | 1.89 ms (milliseconds) (1.63 to 2.43 ms) mean lifetime | 2.73 ms (milliseconds) (2.34 to 3.55 ms) decay constant | 367 per second specific activity | 4.91×10^12 TBq/g (terabecquerels per gram) width | 1.67×10^-13 eV (electronvolts) decay modes | 2p (two-proton emission) | β^+p (positron + delayed proton) final decay products | Ca-44 (23%) | Ca-42 (17%) | K-41 (4.5%) | Ca-43 (1.7%) | Ar-38 (0) | Ar-40 (0) | Ca-40 (0)
Decay modes
decay mode | 2p (two-proton emission) branching ratio | 75% Q-value | 1.1345 MeV (megaelectronvolts) daughter nuclide | Cr-43 decay mode | β^+p (positron + delayed proton) branching ratio | 25% daughter nuclide | Cr-44
Decay chain
Decay chain
Mass properties
atomic number (Z) | 26 mass number (A) | 45 neutron number | 19 atomic mass | 45.014578 u (unified atomic mass units) mass excess | 13.579 MeV (megaelectronvolts) binding energy per nucleon | 7.318 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^+ (atomic fermion)
Quantum properties