Higher-twist contributions in exclusive processes
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Using the renormalon technique, we estimate higher-twist contributions in deeply virtual Compton scattering and in hard exclusive $π^0$ leptoproduction.
4 pages, 2 figures (Latex2e, Postscript, style file b98proc.cls included); talk given in the Baryons'98 conference, Bonn, Germany, Sept. 22-26, 1998
4 pages, 2 figures (Latex2e, Postscript, style file b98proc.cls included); talk given in the Baryons'98 conference, Bonn, Germany, Sept. 22-26, 1998