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Is the Belle result for the cross section σ(e+e−→J/ψ+ηc) a real difficulty for QCD?

Article ID Journal Published Year Pages File Type
9861372 Physics Letters B 2005 8 Pages PDF
Abstract
We use general theory of hard exclusive processes in QCD together with more realistic models of charmonium wave functions, and show that the Belle result can be naturally explained.
Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
Preview
Is the Belle result for the cross section σ(e+e−→J/ψ+ηc) a real difficulty for QCD?
Authors
A.E. Bondar, V.L. Chernyak,
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Journal
Physics Letters B
Journal: Physics Letters B
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