Input interpretation
Zr-83 (zirconium-83)
Decay properties
half-life | 41.6 seconds (39.14 to 44.06 s) mean lifetime | 60 seconds (56.51 to 63.52 s) decay constant | 0.017 per second specific activity | 1.2×10^8 TBq/g (terabecquerels per gram) width | 1.1×10^-17 eV (electronvolts) decay modes | β^+ (positron emission) | β^+p (positron + delayed proton) final decay products | Kr-83 (100%) | Kr-82 (0%)
Decay modes
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 4.8458 MeV (megaelectronvolts) daughter nuclide | Y-83 decay mode | β^+p (positron + delayed proton) daughter nuclide | Sr-82
Decay chain
Decay chain
Mass properties
atomic number (Z) | 40 mass number (A) | 83 neutron number | 43 atomic mass | 82.928653801 u (unified atomic mass units) mass excess | -66.458557 MeV (megaelectronvolts) binding energy per nucleon | 8.494988 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1/2^- (atomic fermion)
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 52.72 keV (kiloelectronvolts) | 5/2^- | 5.3×10^-7 seconds | 8.6×10^-10 eV (electronvolts) 77.04 keV (kiloelectronvolts) | 7/2^+ | 1.32×10^-7 seconds | 3.46×10^-9 eV (electronvolts) 129.1 keV (kiloelectronvolts) | 3/2^- | (unknown) | (unknown) 138.8 keV (kiloelectronvolts) | 9/2^+ | (unknown) | (unknown) 328.5 keV (kiloelectronvolts) | 3/2^- | (unknown) | (unknown) 338.5 keV (kiloelectronvolts) | 7/2^- | 5×10^-11 seconds | 9.1×10^-6 eV (electronvolts) 372.6 keV (kiloelectronvolts) | 5/2^- | (unknown) | (unknown) 580 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 582.7 keV (kiloelectronvolts) | 7/2^- | (unknown) | (unknown) 623.9 keV (kiloelectronvolts) | 5/2^- | (unknown) | (unknown)