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hep-ph1998★ 2 cited
Higher-twist contributions in exclusive processes
M. Vänttinen, L. Mankiewicz, E. Stein
Using the renormalon technique, we estimate higher-twist contributions in deeply virtual Compton scattering and in hard exclusive leptoproduction.
hep-ph1998★ 14 cited
Hard exclusive leptoproduction on polarized targets
M. Vänttinen, L. Mankiewicz
We consider the exclusive production of mesons in polarized virtual-photon--proton collisions. We derive helicity amplitudes for the dominant subprocess and…