Probing generalized parton distributions with electroproduction of lepton pairs off the nucleon

Details Probing generalized parton distributions with electroproduction of lepton pairs off the nucleon Probing generalized parton distributions with electroproduction of lepton pairs off the nucleon

2003-07-30

arxiv.org/abs/hep-ph/0307369v1

Phys.Rev. D68 (2003) 116005

Physics

High Energy Physics

High Energy Physics - Phenomenology

45 pages, Latex, 9 figures

Scientific paper

10.1103/PhysRevD.68.116005

We evaluate the differential cross section for the electroproduction of lepton pairs off a polarized nucleon target in the generalized Bjorken region to leading power accuracy in hard momentum. We discuss the importance of this process for phenomenology of generalized parton distributions. A special attention is given to the sensitivity of physical observables, i.e., diverse asymmetries, to their dependence on scaling variables that allows to map directly the functional two-dimensional surface of generalized parton distributions.

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