141 citations · 969 across the 31 of their papers we have counts for
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hep-ph1998
Solving the rho - pi puzzle by higher charmonium Fock states
Yu-Qi Chen
A new explanation for the longstanding puzzle of the tiny branching fraction of psi' --> rho pi relative to that for J/psi --> rho pi was proposed. In the case of J/psi, we argue t…
hep-ph1998★ 23 cited
Renormalon Ambiguities in NRQCD Operator Matrix Elements
Geoffrey T. Bodwin, Yu-Qi Chen
We analyze the renormalon ambiguities that appear in factorization formulas in QCD. Our analysis contains a simple argument that the ambiguities in the short-distance coefficients…