Input interpretation
Ca-46 (calcium-46) | Cd-116 (cadmium-116)
Natural abundance
Ca-46 | Cd-116 0.004% | 7.49%
Decay properties
| Ca-46 | Cd-116 half-life | 2.8 quadrillion yr (5.22×10^8 to ∞ s) | 3.1×10^19 yr (-100 billion to 310 billion Gyr) mean lifetime | 4.04 quadrillion yr (7.52×10^8 to ∞ s) | 4.5×10^19 yr (-240 billion to 500 billion Gyr) decay constant | 7.85×10^-24 per second | 7.1×10^-28 per second specific activity | 0.103 Bq/g | 3.7×10^-6 Bq/g width | 3.58×10^-39 eV | 3.2×10^-43 eV decay modes | 2β^- (double beta decay) | 2β^- (double beta decay) final decay products | Ca-46 (100%) | Ti-46 (0%) | Sn-116 (100%)
Decay modes
Ca-46
decay mode | 2β^- (double beta decay) Q-value | 0.98835 MeV (megaelectronvolts) daughter nuclide | Ti-46
Cd-116
decay mode | 2β^- (double beta decay) branching ratio | 100% Q-value | 2.80871 MeV (megaelectronvolts) daughter nuclide | Sn-116
Radiation shielding
Radiation shielding
Decay chain
Ca-46
Decay chain Ca-46
Cd-116
Decay chain Cd-116
Mass properties
| Ca-46 | Cd-116 atomic number (Z) | 20 | 48 mass number (A) | 46 | 116 neutron number | 26 | 68 atomic mass | 45.953692587 u (unified atomic mass units) | 115.904755809 u (unified atomic mass units) mass excess | -43.135077 MeV (megaelectronvolts) | -88.719392 MeV (megaelectronvolts) binding energy per nucleon | 8.668885 MeV (megaelectronvolts) | 8.51241 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ca-46 | Cd-116 spin parity J^π | 0^+ (atomic boson) | 0^+ (atomic boson) magnetic moment | 0 μ_N | 0 μ_N
Quantum properties