Input interpretation
In-134 (indium-134) | Ac-232 (actinium-232)
Decay properties
| In-134 | Ac-232 half-life | 140 ms (135.9 to 144.1 ms) | 119 s (113.9 to 124.1 s) mean lifetime | 202 ms (196 to 207.9 ms) | 172 s (164.3 to 179.1 s) decay constant | 4.95 per second | 0.00581 per second specific activity | 2.23×10^10 TBq/g | 1.51×10^7 TBq/g width | 3.26×10^-15 eV | 3.83×10^-18 eV decay modes | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-2n (electron + delayed 2 neutrons) | β^- (electron emission) final decay products | Cs-133 (70%) | Xe-134 (26%) | Xe-132 (4%) | Ba-134 (0%) | Pb-208 (100%) | Pb-206 (4×10^-9%) | Pb-204 (0%) | Hg-200 (0%) | Hg-204 (0%)
Decay modes
In-134
decay mode | β^-n (electron + delayed neutron) branching ratio | 65% Q-value | 10.857 MeV (megaelectronvolts) daughter nuclide | Sn-133 decay mode | β^- (electron emission) branching ratio | 31% Q-value | 14.772 MeV (megaelectronvolts) daughter nuclide | Sn-134 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 4% Q-value | 8.388 MeV (megaelectronvolts) daughter nuclide | Sn-132
Ac-232
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 3.7 MeV (megaelectronvolts) daughter nuclide | Th-232
Radiation shielding
| In-134 lead | 2.52 mm portland concrete | 9.49 mm water | 18.8 mm air | 16 m
Decay chain
In-134
Decay chain In-134
Ac-232
Decay chain Ac-232
Mass properties
| In-134 | Ac-232 atomic number (Z) | 49 | 89 mass number (A) | 134 | 232 neutron number | 85 | 143 atomic mass | 133.94415 u (unified atomic mass units) | 232.042027438 u (unified atomic mass units) mass excess | -52.024 MeV (megaelectronvolts) | 39.148307 MeV (megaelectronvolts) binding energy per nucleon | 8.173 MeV (megaelectronvolts) | 7.60245 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ac-232 spin parity J^π | 1^+ (atomic fermion)
Quantum properties