Browsing by Keyword "QCD, Higher Twists, Exclusive Processes, Renormalons"
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Renormalon approach to higher twist distribution amplitudes and the convergence of the conformal expansion. (HEP, Cavendish Laboratory, University of Cambridge, 2004-01)Power corrections to exclusive processes are usually calculated using models for twist–four distribution amplitudes (DA) which are based on the leading–order terms in the conformal expansion. In this work we develop a ...