2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/184960Main parameters and physics search potential of gamma-p and gamma-A colliders, which will be available due to constructing the TESLA linear electron-positron collider tangentially to the HERA proton ring, are discussed.High Energy Physics - ExperimentHigh Energy Physics - PhenomenologyNuclear ExperimentAccelerator Physicstext