2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43827In this work we calculate pomeron flux in the single diffraction processes. We consider two models: quasi-eikonal model and low constituent model. Both models give the pictures different from the traditional three-reggeon model. Successive developing of modeles gives some indications, that the low constituent model is more attractive.To be published in proceedings of Quarks-2004. 14 pages, 8 figuresHigh Energy Physics - Phenomenologytext