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A fitter code for Deep Virtual Compton Scattering and Generalized Parton Distributions

Author:
M. Guidal  


Journal:
The European Physical Journal A - Hadrons and Nuclei


Issue Date:
2009


Abstract(summary):

We have developed a fitting code based on the leading-twist handbag Deep Virtual Compton Scattering (DVCS) amplitude in order to extract Generalized Parton Distribution (GPD) information from DVCS observables in the valence region. In a first stage, with simulations and pseudo-data, we show that the full GPD information can be recovered from experimental data if enough observables are measured. If only some of these observables are measured, valuable information can still be extracted, with certain observables being particularly sensitive to certain GPDs. In a second stage, we make a practical application of this code to the recent DVCS Jefferson Lab Hall-A data from which we can extract numerical constraints for the two H GPD Compton form factors.


Page:
119-119


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