Input interpretation
Nb-81 (niobium-81)
Decay properties
half-life | 800 ms (milliseconds) mean lifetime | 1.2 seconds decay constant | 0.87 per second specific activity | 6.4×10^9 TBq/g (terabecquerels per gram) width | 4×10^-16 eV (electronvolts) decay modes | p (proton emission) | β^+ (positron emission) | β^+p (positron + delayed proton) final decay products | Br-79 (0) | Br-81 (0) | Kr-80 (0)
Decay modes
decay mode | p (proton emission) Q-value | 750 keV (kiloelectronvolts) daughter nuclide | Zr-80 decay mode | β^+ (positron emission) Q-value | 9.99 MeV (megaelectronvolts) daughter nuclide | Zr-81 decay mode | β^+p (positron + delayed proton) daughter nuclide | Y-80
Decay chain
Decay chain
Mass properties
atomic number (Z) | 41 mass number (A) | 81 neutron number | 40 atomic mass | 80.94903 u (unified atomic mass units) mass excess | -47.478 MeV (megaelectronvolts) binding energy per nucleon | 8.261 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic boson)
Quantum properties