2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188409We show that the differential cross section d_sigma/d_t of gamma p --> ϕp reaction at the threshold is finite and its value is crucial to the mechanism of the phi meson photoproduction and for the models of phi-N interaction.8 pages, 2 figuresHigh Energy Physics - Phenomenologytext