Input interpretation
Be-6 | half-life
Result
5 zs (zeptoseconds) (4.63 to 5.37 zs)
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%)
Unit conversion
5×10^-21 seconds
Comparisons as half-life
≈ half-life of the J/ψ particle ( ≈ 4.9×10^-21 s )
≈ 36 × half-life of hydrogen-4 ( ≈ 1.4×10^-22 s )