Input interpretation
Sb-136 (antimony-136)
Decay properties
half-life | 923 ms (milliseconds) (901 to 945 ms) mean lifetime | 1.33 seconds (1.31 to 1.353 s) decay constant | 0.752 per second specific activity | 3.33×10^9 TBq/g (terabecquerels per gram) width | 4.94×10^-16 eV (electronvolts) decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) | β^-2n (electron + delayed 2 neutrons) final decay products | Xe-136 (80%) | Ba-135 (17%) | Xe-134 (0.28%) | Ba-134 (0%) | Ba-136 (0%)
Decay modes
decay mode | β^- (electron emission) branching ratio | 83% Q-value | 9.547 MeV (megaelectronvolts) daughter nuclide | Te-136 decay mode | β^-n (electron + delayed neutron) branching ratio | 16.3% Q-value | 4.878 MeV (megaelectronvolts) daughter nuclide | Te-135 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 0.28% Q-value | 1.538 MeV (megaelectronvolts) daughter nuclide | Te-134
Decay chain
Decay chain
Mass properties
atomic number (Z) | 51 mass number (A) | 136 neutron number | 85 atomic mass | 135.93035 u (unified atomic mass units) mass excess | -64.879 MeV (megaelectronvolts) binding energy per nucleon | 8.255 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1^- (atomic fermion)
Quantum properties