Input interpretation
Er-145 (erbium-145)
Decay properties
half-life | 900 ms (milliseconds) (0.55 to 1.3 s) mean lifetime | 1.3 seconds (0.8644 to 1.733 s) decay constant | 0.769 per second specific activity | 3.2×10^9 TBq/g (terabecquerels per gram) width | 5.07×10^-16 eV (electronvolts) decay modes | β^+ (positron emission) | β^+p (positron + delayed proton) final decay products | Ce-140 (0%) | La-139 (0%) | Nd-142 (0%) | Nd-143 (0%) | Nd-145 (0%) | Pr-141 (0%) | Sm-144 (0%)
Decay modes
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 8.47 MeV (megaelectronvolts) daughter nuclide | Ho-145 decay mode | β^+p (positron + delayed proton) daughter nuclide | Dy-144
Decay chain
Decay chain
Mass properties
atomic number (Z) | 68 mass number (A) | 145 neutron number | 77 atomic mass | 144.95739 u (unified atomic mass units) mass excess | -39.691 MeV (megaelectronvolts) binding energy per nucleon | 7.978 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1/2^+ (atomic fermion)
Quantum properties