Excited charmonium mesons production in e^+e^- annihilation at \sqrt{s}=10.6 GeV
arXiv:hep-ph/0507275 · doi:10.1103/PhysRevD.72.074019
Abstract
In this paper the production of excited vector and pseudoscalar charmonium mesons in $\epem$ annihilation is analyzed in the framework of light cone. In particular the cross sections $\epem \to ψ(2S)η_c(1S), ψ(1S)η_c(2S),ψ(2S)η_c(2S)$ have been calculated. It is shown, that contrary to NRQCD the cross sections calculated in the framework of light cone agree with experimental data.
7 pages; 2 figures, some refrences added