Input interpretation
B-15 (boron-15)
Decay properties
half-life | 9.93 ms (milliseconds) (9.6 to 10.2 ms) mean lifetime | 14.3 ms (milliseconds) (13.9 to 14.8 ms) decay constant | 69.8 per second specific activity | 2.8×10^12 TBq/g (terabecquerels per gram) width | 3.18×10^-14 eV (electronvolts) decay modes | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-2n (electron + delayed 2 neutrons) final decay products | N-14 (94%) | N-15 (6%) | C-13 (0.4%)
Decay modes
decay mode | β^-n (electron + delayed neutron) branching ratio | 93.6% Q-value | 17.8811 MeV (megaelectronvolts) daughter nuclide | C-14 decay mode | β^- (electron emission) branching ratio | 6% daughter nuclide | C-15 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 0.4% Q-value | 9.7046 MeV (megaelectronvolts) daughter nuclide | C-13
Decay chain
Decay chain
Mass properties
atomic number (Z) | 5 mass number (A) | 15 neutron number | 10 atomic mass | 15.031103021 u (unified atomic mass units) mass excess | 28.972278 MeV (megaelectronvolts) binding energy per nucleon | 5.87905 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic boson)
Quantum properties