Input interpretation
Ga-70 (gallium-70)
Decay properties
half-life | 21.13 minutes (21.108 to 21.172 min) mean lifetime | 30.5 minutes (30.453 to 30.545 min) decay constant | 5.464×10^-4 per second specific activity | 4.706×10^6 TBq/g (terabecquerels per gram) width | 3.597×10^-19 eV (electronvolts) decay modes | β^- (electron emission) | ϵ (electron capture) final decay products | Ge-70 (100%) | Zn-70 (0.41%)
Decay modes
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 1.65302 MeV (megaelectronvolts) daughter nuclide | Ge-70 decay mode | ϵ (electron capture) branching ratio | 0.41% Q-value | 654.56 keV (kiloelectronvolts) daughter nuclide | Zn-70
Radiation shielding
lead | 1.19 mm portland concrete | 4.04 mm water | 7.91 mm air | 6.91 m
Decay chain
Decay chain
Mass properties
atomic number (Z) | 31 mass number (A) | 70 neutron number | 39 atomic mass | 69.926021972 u (unified atomic mass units) mass excess | -68.910089 MeV (megaelectronvolts) binding energy per nucleon | 8.709279 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1^+ (atomic fermion)
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 508.2 keV (kiloelectronvolts) | 2^+ | 4×10^-9 seconds | 1×10^-7 eV (electronvolts) 651.1 keV (kiloelectronvolts) | 1^+ or 2^+ (uncertain) | (unknown) | (unknown) 690.9 keV (kiloelectronvolts) | 2^- | 4×10^-9 seconds | 1×10^-7 eV (electronvolts) 879.1 keV (kiloelectronvolts) | 4^- | 2.27×10^-8 seconds | 2.01×10^-8 eV (electronvolts) 901.4 keV (kiloelectronvolts) | ?^+ | 1.4×10^-9 seconds | 3.3×10^-7 eV (electronvolts) 995.5 keV (kiloelectronvolts) | 2^+ | (unknown) | (unknown) 1002.6 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 1009.2 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 1009.4 keV (kiloelectronvolts) | 1^+ or 2^+ or 3^+ (uncertain) | (unknown) | (unknown) 1014.9 keV (kiloelectronvolts) | 1^+ or 2^+ or 3^+ (uncertain) | (unknown) | (unknown)