2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48970It is shown that in semi-inclusive deep inelastic scattering (DIS) of electrons off a complex nucleus A, the detection, in coincidence with the scattered electron, of a nucleus (A-1) in the ground state, as well as of a nucleon and a nucleus (A-2), also in the ground state, may provide unique information on several long standing problems, such as : i) the nature and the relevance of the final state interaction in DIS; ii) validity of the spectator mechanism in DIS; iii) the medium induced modifications of the nucleon structure function; iv) the origin of the EMC effect.Latex, 41 pages, 12 ps figures included in submission. To appear in European Physics Journal A, 4High Energy Physics - PhenomenologyNuclear Theorytext