Input interpretation
B-6 (boron-6) | Cl-40 (chlorine-40)
Decay properties
| B-6 | Cl-40 half-life | (unknown) | 81 s (79.67 to 82.33 s) mean lifetime | (unknown) | 117 s (115.1 to 118.6 s) decay constant | | 0.00855 per second specific activity | | 1.29×10^8 TBq/g width | (unknown) | 5.63×10^-18 eV decay modes | 2p (two-proton emission) | β^- (electron emission) final decay products | He-3 (0%) | Ar-40 (100%)
Decay modes
B-6
decay mode | 2p (two-proton emission) Q-value | 3.702 MeV (megaelectronvolts) daughter nuclide | Li-4
Cl-40
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 7.4821 MeV (megaelectronvolts) daughter nuclide | Ar-40
Radiation shielding
| B-6 lead | 4.41 mm portland concrete | 18.7 mm water | 37.8 mm air | 31.3 m
Decay chain
B-6
Decay chain B-6
Cl-40
Decay chain Cl-40
Mass properties
| B-6 | Cl-40 atomic number (Z) | 5 | 17 mass number (A) | 6 | 40 neutron number | 1 | 23 atomic mass | 6.04681 u (unified atomic mass units) | 39.970415472 u (unified atomic mass units) mass excess | 43.603 MeV (megaelectronvolts) | -27.55781 MeV (megaelectronvolts) binding energy per nucleon | 0.1521 MeV (megaelectronvolts) | 8.427765 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| B-6 | Cl-40 spin parity J^π | 2^- (atomic fermion) | 2^- (atomic fermion)
Quantum properties