Input interpretation
B-19 (boron-19)
Decay properties
half-life | 2.92 ms (milliseconds) (2.786 to 3.054 ms) mean lifetime | 4.21 ms (milliseconds) (4.022 to 4.403 ms) decay constant | 238 per second specific activity | 7.5×10^12 TBq/g (terabecquerels per gram) width | 1.56×10^-13 eV (electronvolts) decay modes | β^-n (electron + delayed neutron) | β^-2n (electron + delayed 2 neutrons) final decay products | O-16 (50%) | O-18 (40%) | O-17 (8%) | N-14 (6%) | C-13 (0.001%) | C-12 (7.1×10^-5%)
Decay modes
decay mode | β^-n (electron + delayed neutron) branching ratio | 75% Q-value | 26.367 MeV (megaelectronvolts) daughter nuclide | C-18 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 25% Q-value | 22.183 MeV (megaelectronvolts) daughter nuclide | C-17
Decay chain
Decay chain
Mass properties
atomic number (Z) | 5 mass number (A) | 19 neutron number | 14 atomic mass | 19.06373 u (unified atomic mass units) mass excess | 59.364 MeV (megaelectronvolts) binding energy per nucleon | 4.741 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic boson)
Quantum properties