One Loop Chiral Corrections to Hard Exclusive Processes:I. Pion Case

Details One Loop Chiral Corrections to Hard Exclusive Processes:I. Pion Case One Loop Chiral Corrections to Hard Exclusive Processes:I. Pion Case

2002-03-28

arxiv.org/abs/hep-ph/0203264v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 3 figures

Scientific paper

10.1016/S0375-9474(02)01219-8

We computed the leading non-analytic chiral corrections to the generalized
parton distributions (GPDs) of the pion and to the two-pion distribution
amplitudes. This allows us to obtain the corresponding corrections for the hard
exclusive processes, such as gamma^* gamma -> pi pi, gamma^* N -> 2pi N' and
deeply virtual Compton scattering on the pion target.

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