# $χ {c J}$ production in $e^ e^-$ annihilation

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Inclusive production of $\chi {c J}$ in $e^+e^-$ annihilation is an excellent probe of the role of higher Fock states in the production of heavy quarkonia. Within the non-relativistic QCD approach, contributions from the short-distance production of colour-octet $c\bar{c}$ pairs are significantly larger than those from colour-singlet production. At

Author: G. A. Schuler; M. Vänttinen

Source: https://archive.org/