Input interpretation
beta delayed triton emission
Members
Be-14 | He-8 | Li-11
Decay properties
| Be-14 | He-8 | Li-11 half-life | 4.35 ms (4.175 to 4.525 ms) | 119 ms (117.4 to 120.6 ms) | 8.59 ms (8.34 to 8.84 ms) mean lifetime | 6.28 ms (6.024 to 6.527 ms) | 172 ms (169.4 to 174 ms) | 12.4 ms (12 to 12.8 ms) decay constant | 159 per second | 5.81 per second | 80.7 per second specific activity | 6.83×10^12 TBq/g | 4.36×10^11 TBq/g | 4.4×10^12 TBq/g width | 1.05×10^-13 eV | 3.83×10^-15 eV | 3.68×10^-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^- (electron emission) | β^-n (electron + delayed neutron) | β^-t (electron + delayed triton) | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-2n (electron + delayed 2 neutrons) | β^-3n (electron + delayed 3 neutrons) | β^-nα (electron + delayed neutron, α) | β^-t (electron + delayed triton) | β^-d (electron + delayed deuteron) final decay products | C-13 (100%) | C-12 (1.1%) | B-11 (0.22%) | He-4 (1.5×10^-4) | Be-9 (2×10^-5) | Li-7 (6×10^-6) | N-14 (0) | He-4 (84%) | Li-7 (16%) | B-10 (85%) | B-11 (8%) | Be-9 (4.1%) | He-4 (1.9%) | Li-6 (1%) | Li-7 (0.23%)
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 | 2×10^-4 daughter nuclide | Be-11 decay mode | β^-α (electron + delayed α) branching ratio | 4×10^-5 Q-value | 4.479 MeV (megaelectronvolts) daughter nuclide | Li-10
He-8
decay mode | β^- (electron emission) branching ratio | 83% Q-value | 10.6512 MeV (megaelectronvolts) daughter nuclide | Li-8 decay mode | β^-n (electron + delayed neutron) branching ratio | 16% Q-value | 8.61859 MeV (megaelectronvolts) daughter nuclide | Li-7 decay mode | β^-t (electron + delayed triton) branching ratio | 0.9% daughter nuclide | He-5
Li-11
decay mode | β^-n (electron + delayed neutron) branching ratio | 84.9% Q-value | 20.1193 MeV (megaelectronvolts) daughter nuclide | Be-10 decay mode | β^- (electron emission) branching ratio | 8% daughter nuclide | Be-11 decay mode | β^-2n (electron + delayed 2 neutrons) branching ratio | 4.1% Q-value | 13.307 MeV (megaelectronvolts) daughter nuclide | Be-9 decay mode | β^-3n (electron + delayed 3 neutrons) branching ratio | 1.9% daughter nuclide | Be-8 decay mode | β^-nα (electron + delayed neutron, α) branching ratio | 1% daughter nuclide | He-6 decay mode | β^-t (electron + delayed triton) branching ratio | 1.4×10^-4 daughter nuclide | Li-8 decay mode | β^-d (electron + delayed deuteron) branching ratio | 1.3×10^-4 daughter nuclide | Li-9
Radiation shielding
Radiation shielding
Decay chain
Be-14
Decay chain Be-14
He-8
Decay chain He-8
Li-11
Decay chain Li-11
Mass properties
| atomic number (Z) | mass number (A) | neutron number Be-14 | 4 | 14 | 10 He-8 | 2 | 8 | 6 Li-11 | 3 | 11 | 8 | atomic mass | mass excess | binding energy per nucleon Be-14 | 14.04289292 u (unified atomic mass units) | 39.954498 MeV (megaelectronvolts) | 4.993897 MeV (megaelectronvolts) He-8 | 8.033921897 u (unified atomic mass units) | 31.598044 MeV (megaelectronvolts) | 3.925975 MeV (megaelectronvolts) Li-11 | 11.043797715 u (unified atomic mass units) | 40.79731 MeV (megaelectronvolts) | 4.149104 MeV (megaelectronvolts)
Mass properties
Quantum properties
| spin parity J^π | magnetic moment Be-14 | 0^+ (atomic boson) | 0 μ_N He-8 | 0^+ (atomic boson) | 0 μ_N Li-11 | 3/2^- (atomic boson) | 3.6678 μ_N
Quantum properties