Charmonium Production in e+e- Annihilation at s=10.6GeV
Kuang-Ta Chao, Li-Kun Hao
Abstract
We review the charmonium production in e+e- annihilation at s=10.6GeV. NRQCD predictions for the J/ψ production are compared with the recent measurements by BaBar and Belle. A NRQCD calculation for the D-wave charmonium production is reported to further test the color-octet mechanism and detect the JPC=2-- state. The issue of double c c production in e+e- annihilation observed by Belle is also discussed.
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