Résumé du preprint DAPNIA-06-444

DAPNIA-06-444
Results on Deeply Virtual Compton Scattering at Jefferson Lab
F. Sabatié
After about 10 years of growing interest for Generalized Parton Distributions come the first results from dedicated experiments, using
the golden Deeply Virtual Compton Scattering process. After a short introduction, we will explain the experimental methodology and 
show results of the Hall A E00-110 experiment, which aimed at measuring helicity-dependent photon electroproduction cross sections.
We will enphasize how this experiment provided the first stringent tests of the scaling property of this process, allowing for the
first time a model-independent extraction of a linear combination of Generalized Parton Distributions.
We will also describe the Hall B E01-113 experiment which
measured the photon electroproduction beam spin asymmetry over a wide kinematical range. The summary will include an outlook on
the next generation of experiments which are already planned at Jefferson Lab at 6 GeV, but also after the planned 12 GeV upgrade.

 

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