2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45649This paper presents a brief overview of the physics with the 15-30~GeV continuous beam electron facility proposed by the European community of nuclear physicists to study the quark and gluon structure of hadrons.need qcdparis.sty, psfig and 8 eps figures : exclusive_hard_1.eps exclusive_hard_2.eps exclusive_hard_3.eps hard_bw.eps gpm_slac.eps inclusif1.eps inclusif2.eps machine.epsHigh Energy Physics - Phenomenologytext