2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183967We calculate, for nonzero momentum transfer, the dipole formula for the high energy behaviour of elastic and quasielastic scattering of a virtual photon. We obtain an expression of the nonforward photon impact factor and of the nonforward photon wave function, and we give a physical interpretation.15 pages, 2 figures, definition of polarisation vectors modifiedHigh Energy Physics - Phenomenologytext