Input interpretation
Be-14 (beryllium-14) | B-17 (boron-17)
Decay properties
| Be-14 | B-17 half-life | 4.35 ms (4.175 to 4.525 ms) | 5.08 ms (5.021 to 5.139 ms) mean lifetime | 6.28 ms (6.024 to 6.527 ms) | 7.33 ms (7.25 to 7.407 ms) decay constant | 159 per second | 136 per second specific activity | 6.83×10^12 TBq/g | 4.82×10^12 TBq/g width | 1.05×10^-13 eV | 8.98×10^-14 eV decay modes | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-2n (electron + delayed 2 neutrons) | β^-3n (electron + delayed 3 neutrons) | β^-t (electron + delayed triton) | β^-α (electron + delayed α) | 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 | C-13 (100%) | C-12 (1.1%) | B-11 (0.22%) | He-4 (0.015%) | Be-9 (0.002%) | Li-7 (6×10^-4%) | N-14 (0%) | 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
Be-14
decay mode | β^-n (electron + delayed neutron) branching ratio | 98% Q-value | 15.321 MeV (megaelectronvolts) daughter nuclide | B-13 decay mode | β^- (electron emission) branching ratio | 0% daughter nuclide | B-14 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 0.8% Q-value | 10.443 MeV (megaelectronvolts) daughter nuclide | B-12 decay mode | β^-3n (electron + delayed 3 neutrons) branching ratio | 0.2% daughter nuclide | B-11 decay mode | β^-t (electron + delayed triton) branching ratio | 0.02% daughter nuclide | Be-11 decay mode | β^-α (electron + delayed α) branching ratio | 0.004% Q-value | 4.479 MeV (megaelectronvolts) daughter nuclide | Li-10
B-17
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
Radiation shielding
Radiation shielding
Decay chain
Be-14
Decay chain Be-14
B-17
Decay chain B-17
Mass properties
| Be-14 | B-17 atomic number (Z) | 4 | 5 mass number (A) | 14 | 17 neutron number | 10 | 12 atomic mass | 14.04289292 u (unified atomic mass units) | 17.046989906 u (unified atomic mass units) mass excess | 39.954498 MeV (megaelectronvolts) | 43.770816 MeV (megaelectronvolts) binding energy per nucleon | 4.993897 MeV (megaelectronvolts) | 5.266461 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Be-14 | B-17 spin parity J^π | 0^+ (atomic boson) | 3/2^- (atomic boson) magnetic moment | 0 μ_N | (unknown)
Quantum properties