Quantitative tests of color evaporation: charmonium production

Abstract The color evaporation model simply states that charmonium production is described by the same dynamics as D D production, i.e., by the formation of a colored c c pair. Its color happens to be bleached by soft final-state interactions. We show that the model gives a complete picture of charmonium production including low-energy production by proton, photon and antiproton beams, and high-energy production at the Tevatron and HERA.

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