Extraction of Compton Form Factors from DVCS data

Details Extraction of Compton Form Factors from DVCS data Extraction of Compton Form Factors from DVCS data

2010-11-18

arxiv.org/abs/1011.4195v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure. Proceeding of ICHEP10 conference, July 22-28, 2010

Scientific paper

We present the results of a fitter code which aims at extracting Compton Form Factors (CFFs) from DVCS (Deep Virtual Compton Scattering) experimental data, in a largely model-independent way. CFFs are linked to GPDs (Generalized parton Distributions) and are the quantities which are directly measurable. The data that we have analyzed are from JLab and HERMES experiments. We obtain some first important constraints on the $H$ and $\tilde{H}$ CFFs. The kinematical dependences ($x_B$, $t$) of these CFFs provide some new insights on nucleon structure.

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