Input interpretation
Rb-100 (rubidium-100) | Cd-127 (cadmium-127)
Decay properties
| Rb-100 | Cd-127 half-life | 51 ms (39 to 67 ms) | 370 ms (270 to 444 ms) mean lifetime | 74 ms (61.2 to 86.1 ms) | 534 ms (432.4 to 635.6 ms) decay constant | 14 per second | 1.87 per second specific activity | 8.1×10^10 TBq/g | 8.89×10^9 TBq/g width | 8.9×10^-15 eV | 1.23×10^-15 eV decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) | β^-2n (electron + delayed 2 neutrons) | β^- (electron emission) final decay products | Ru-100 (90%) | Ru-99 (7%) | Mo-98 (0.3%) | Mo-97 (9×10^-4%) | Mo-96 (2.2×10^-7%) | Ru-98 (0%) | I-127 (100%) | Te-126 (0.03%)
Decay modes
Rb-100
decay mode | β^- (electron emission) branching ratio | 94% Q-value | 13.524 MeV (megaelectronvolts) daughter nuclide | Sr-100 decay mode | β^-n (electron + delayed neutron) branching ratio | 5.6% Q-value | 7.419 MeV (megaelectronvolts) daughter nuclide | Sr-99 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 0.15% Q-value | 3.807 MeV (megaelectronvolts) daughter nuclide | Sr-98
Cd-127
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 8.468 MeV (megaelectronvolts) daughter nuclide | In-127
Radiation shielding
| Rb-100 lead | 4.82 mm portland concrete | 21 mm water | 42.5 mm air | 35.1 m
Decay chain
Rb-100
Decay chain Rb-100
Cd-127
Decay chain Cd-127
Mass properties
| Rb-100 | Cd-127 atomic number (Z) | 37 | 48 mass number (A) | 100 | 127 neutron number | 63 | 79 atomic mass | 99.94987 u (unified atomic mass units) | 126.926443864 u (unified atomic mass units) mass excess | -46.696 MeV (megaelectronvolts) | -68.5171 MeV (megaelectronvolts) binding energy per nucleon | 8.249 MeV (megaelectronvolts) | 8.315132 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Cd-127 spin parity J^π | 3/2^+ (atomic fermion)
Quantum properties