Input interpretation
Zr-98 (zirconium-98)
Decay properties
half-life | 30.7 seconds (30.27 to 31.13 s) mean lifetime | 44.3 seconds (43.68 to 44.9 s) decay constant | 0.0226 per second specific activity | 1.39×10^8 TBq/g (terabecquerels per gram) width | 1.49×10^-17 eV (electronvolts) decay modes | β^- (electron emission) final decay products | Mo-98 (100%) | Ru-98 (0%)
Decay mode
decay mode | β^- (electron emission) Q-value | 2.2416 MeV (megaelectronvolts) daughter nuclide | Nb-98
Radiation shielding
lead | 1.6 mm portland concrete | 5.65 mm water | 11.1 mm air | 9.61 m
Decay chain
Decay chain
Mass properties
atomic number (Z) | 40 mass number (A) | 98 neutron number | 58 atomic mass | 97.912734892 u (unified atomic mass units) mass excess | -81.286925 MeV (megaelectronvolts) binding energy per nucleon | 8.58145 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 0^+ (atomic boson) magnetic moment | 0 μ_N
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 854.02 keV (kiloelectronvolts) | 0^+ | 6.4×10^-8 seconds | 7.1×10^-9 eV (electronvolts) 1222.92 keV (kiloelectronvolts) | 2^+ | 2×10^-10 seconds | 2×10^-6 eV (electronvolts) 1436.08 keV (kiloelectronvolts) | 0^+ | 8.6×10^-10 seconds | 5.3×10^-7 eV (electronvolts) 1590.67 keV (kiloelectronvolts) | 2^+ | (unknown) | (unknown) 1744.19 keV (kiloelectronvolts) | 2^+ | (unknown) | (unknown) 1806.2 keV (kiloelectronvolts) | 3^- | (unknown) | (unknown) 1843.45 keV (kiloelectronvolts) | 4^+ | 2.8×10^-11 seconds | 1.6×10^-5 eV (electronvolts) 1859.26 keV (kiloelectronvolts) | 0^+ | 2.83×10^-10 seconds | 1.61×10^-6 eV (electronvolts) 2047.6 keV (kiloelectronvolts) | 4^+ | (unknown) | (unknown) 2104 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown)