Electroproduction of longitudinally polarized vector mesons

Details Electroproduction of longitudinally polarized vector mesons Electroproduction of longitudinally polarized vector mesons

2007-06-18

arxiv.org/abs/0706.2587v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, using dis07.cls

Scientific paper

It is reported on an analysis of electroproduction of light vector mesons at small Bjorken-x within the handbag approach. The partonic subprocesses, meson electroproduction off quarks or gluons, are calculated within the modified perturbative approach in which quark transverse momenta are retained. The soft hadronic matrix elements, generalized parton distributions, are constructed from the CTEQ6 parton distribution functions by means of double distributions. The cross sections for longitudinal polarized virtual photons evaluated from this approach, are in very good agreement with experiment in a wide range of kinematics. Talk presented at the DIS2007 conference, Munich (2007)

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