DVCS at HERMES: Recent Results

Abstract

Hard exclusive reactions are the tool to learn about generalized parton distributions, which provide a more complete parametrization of the nucleon than the ordinary parton distribution functions. Recent measurements by the HERMES collaboration of the exclusive production of photons, i.e., Deeply-Virtual Compton Scattering, are summarized and compared to model calculations, focusing on the measurements and model comparisons relevant to the extraction of quark orbital angular momentum and on the measurements on heavy nuclei.

8 pages, 12 figures, Invited talk presented at the workshop on Exclusive Processes at High Momentum Transfer, Newport News, Virginia USA, May 2007; to appear in the proceedings

Cited by in corpus (6)

• Deeply virtual Compton scattering at small x_B and the access to the GPD H
• Measurement of Azimuthal Asymmetries With Respect To Both Beam Charge and Transverse Target Polarization in Exclusive Electroproduction of Real Photons
• Sum rules and dualities for generalized parton distributions: is there a holographic principle?
• Separation of contributions from deeply virtual Compton scattering and its interference with the Bethe--Heitler process in measurements on a hydrogen target
• Measurement of azimuthal asymmetries associated with deeply virtual Compton scattering on an unpolarized deuterium target
• Accessing GPDs from experiment --- potential of a high-luminosity EIC ---