Input interpretation
beta delayed four neutron emission
Members
B-17
Decay properties
half-life | 5.08 ms (milliseconds) (5.021 to 5.139 ms) mean lifetime | 7.33 ms (milliseconds) (7.25 to 7.407 ms) decay constant | 136 per second specific activity | 4.82×10^12 TBq/g (terabecquerels per gram) width | 8.98×10^-14 eV (electronvolts) decay modes | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-2n (electron + delayed 2 neutrons) | β^-3n (electron + delayed 3 neutrons) | β^-4n (electron + delayed 4 neutrons) final decay products | N-15 (73%) | O-16 (23%) | N-14 (3.5%) | O-17 (0.8%) | C-13 (0.4%) | C-12 (8×10^-5%)
Decay modes
decay mode | β^-n (electron + delayed neutron) branching ratio | 63% Q-value | 22.005 MeV (megaelectronvolts) daughter nuclide | C-16 decay mode | β^- (electron emission) branching ratio | 22% daughter nuclide | C-17 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 11% Q-value | 17.755 MeV (megaelectronvolts) daughter nuclide | C-15 decay mode | β^-3n (electron + delayed 3 neutrons) branching ratio | 3.5% daughter nuclide | C-14 decay mode | β^-4n (electron + delayed 4 neutrons) branching ratio | 0.4% daughter nuclide | C-13
Decay chain
Decay chain
Mass properties
atomic number (Z) | 5 mass number (A) | 17 neutron number | 12 atomic mass | 17.046989906 u (unified atomic mass units) mass excess | 43.770816 MeV (megaelectronvolts) binding energy per nucleon | 5.266461 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic boson)
Quantum properties