Deeply Virtual Compton Scattering experiment at  Jefferson Lab Hall B , with CLAS12, large acceptance spectrometer. Goals: Theoretical concepts as Generalized Parton Distributions (GPD), enable to probe with a dramatic accuracy the nucleon structure, and access the quark confinement in hadrons.


Hadron Form Factors
Hadron electromagnetic form factors parametrize the internal structure of hadrons, the dynamical distribution of magnetization and charge created by the inner constituents.  They are considered fundamental quantities as they are a privileged background for interplay between theory and experiment.
La nature de ces nouvelles fonctions     Des progrès théoriques importants survenus dans les cinq dernières années permettent d'étendre considérablement la notion de distributions de partons dans un nucléon ou un méson.
Les distributions de partons généralisées (GPD)


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