2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47385Forward scattering amplitude of the virtual longitudinal photon at zero energy on electron in QED in the limit of small photon virtualities is calculated. The first radiation corrections are taken into account. Two terms in the expansion over photon virtualities are obtained.8 pages, 5 figuresHigh Energy Physics - Phenomenologytext