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An Extraction Of The Skewing Factor From Desy-Hera Data

par Favart, Laurent ;Machado, M.V.T.;Schoeffel, L.
Référence Brazilian journal of physics, 37, page (798-800)
Publication Publié, 2007

Article révisé par les pairs

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Résumé :

In this contribution we present recent investigation on the extraction of the skewing factor, defined as the ratio of the imaginary parts of the amplitudes Im script A(γ* p → γ* p)/Im script A(γ* p → γ p). This factor is extracted from the data using the recent DVCS and the inclusive inelastic cross section measurements at DESY-HERA. We compare the results to the theoretical predictions for NLO QCD and the color dipole approach.