Input interpretation
Ar-30 (argon-30) | Cu-72 (copper-72)
Decay properties
| Ar-30 | Cu-72 half-life | 20 ns (0 to 22 ns) | 6.6 s (6.44 to 6.76 s) mean lifetime | 29 ns (-6.675×10^-299 to 29.4 ns) | 9.5 s (9.3 to 9.74 s) decay constant | 3.4×10^7 per second | 0.11 per second specific activity | 6.9×10^17 TBq/g | 8.8×10^8 TBq/g width | 2.3×10^-8 eV | 6.9×10^-17 eV decay modes | 2p (two-proton emission) | β^- (electron emission) final decay products | Al-27 (0) | Mg-24 (0) | Si-28 (0) | Ge-72 (100%)
Decay modes
Ar-30
decay mode | 2p (two-proton emission) Q-value | 1.432 MeV (megaelectronvolts) daughter nuclide | S-28
Cu-72
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 8.34838 MeV (megaelectronvolts) daughter nuclide | Zn-72
Radiation shielding
| Ar-30 lead | 4.77 mm portland concrete | 20.7 mm water | 42 mm air | 34.6 m
Decay chain
Ar-30
Decay chain Ar-30
Cu-72
Decay chain Cu-72
Mass properties
| Ar-30 | Cu-72 atomic number (Z) | 18 | 29 mass number (A) | 30 | 72 neutron number | 12 | 43 atomic mass | 30.02156 u (unified atomic mass units) | 71.935820307 u (unified atomic mass units) mass excess | 20.083 MeV (megaelectronvolts) | -59.782999 MeV (megaelectronvolts) binding energy per nucleon | 6.932 MeV (megaelectronvolts) | 8.586525 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ar-30 | Cu-72 spin parity J^π | 0^+ (atomic boson) | 1^+ (atomic fermion) magnetic moment | 0 μ_N | (unknown)
Quantum properties