Separation of Soft and Hard Physics in Deeply Virtual Compton Scattering

Details Separation of Soft and Hard Physics in Deeply Virtual Compton Scattering Separation of Soft and Hard Physics in Deeply Virtual Compton Scattering

2003-05-19

arxiv.org/abs/hep-ph/0305210v1

Phys.Rev. D68 (2003) 034005

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures

Scientific paper

10.1103/PhysRevD.68.034005

A model for deeply virtual Compton scattering, based on analytical light-cone hadron wave functions is presented and studied at energies currently accessible at Jefferson Laboratory, DESY, and beyond. It is shown that perpendicular vector components play an important role at Q^2 < 10 GeV^2 and that the meson-exchange diagrams are important at all energies. This could significantly impact the physical interpretation of the underlying hadron amplitudes.

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