2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185425We present some results on renormalization and factorization scale dependence of soft-gluon resummation, at the next-to-leading-logarithmic level, in the fixed-target hadro-production cross-section for prompt photons.Talk given at the UK Phenomenology Workshop on Collider Physics, Durham, UK, 19-24 September 1999. To appear in the Proceeding of the conference. 4 pages, 2 figures, iopart.clsHigh Energy Physics - Phenomenologytext