Input interpretation
Be-6 (beryllium-6)
Decay properties
half-life | 5 zs (zeptoseconds) (4.64 to 5.36 zs) mean lifetime | 7.2 zs (zeptoseconds) (6.7 to 7.73 zs) decay constant | 1.4×10^20 per second specific activity | 1.4×10^31 TBq/g (terabecquerels per gram) width | 91 keV (kiloelectronvolts) decay modes | 2p (two-proton emission) final decay products | He-4 (100%)
Decay mode
decay mode | 2p (two-proton emission) Q-value | 1.37209 MeV (megaelectronvolts) daughter nuclide | He-4
Decay chain
Decay chain
Mass properties
atomic number (Z) | 4 mass number (A) | 6 neutron number | 2 atomic mass | 6.019726317 u (unified atomic mass units) mass excess | 18.374947 MeV (megaelectronvolts) binding energy per nucleon | 4.487262 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 0^+ (atomic boson) magnetic moment | 0 μ_N
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 1670 keV (kiloelectronvolts) | 2^+ | 3.93×10^-22 seconds | 1.16 MeV (megaelectronvolts) 23000 keV (kiloelectronvolts) | 4^- | (unknown) | (unknown) 26000 keV (kiloelectronvolts) | 2^- | (unknown) | (unknown) 27000 keV (kiloelectronvolts) | 3^- | (unknown) | (unknown)