Colour connections of four quark $Q\bar{Q}{Q}^{\prime }{\bar{Q}}^{\prime }$ system and doubly heavy baryon production in $e^{+}{e}^{-}$ annihilation

Yi Jin, Shi-Yuan Li, Zong-Guo Si +2

The hadronization effects induced by various colour connections of the four quark system in $e^{+}{e}^{-}$ annihilation are briefly reviewed. A special colour connection of four heav…