The cross section of the process e ++e −→J/ψ+η c within the QCD light-cone sum rules Yan-Jun Sun, Xing-Gang Wu, Fen Zuo and Tao Huang Eur. Phys. J. C, 67 1-2 (2010) 117-123 Published online: 09 March 2010 DOI: 10.1140/epjc/s10052-010-1280-z