Objectives
Study of deeply virtual Compton scattering (DVCS) at Jefferson Lab, at 6 GeV, as part of the general program to determine generalized parton distributions (GPD) in the nucleon.
The COMPASS experiment (Common Muon and Proton Aparatus for Structure and Spectroscopy) is a particle physics experiment on the hadron and muon beam from the SPS accelerator at CERN, close to Geneva.
Hadron electromagnetic form factors parametrize the internal structure of hadrons, the dynamical distribution of magnetization and charge created by the inner constituents.
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.
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