2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48725Recent advances in the theoretical description of radiative Upsilon decays are reviewed, including the calculation of next-to-leading order QCD corrections to the photon spectrum.LaTeX, 10 pages, 5 Postscript figures, uses sprocl.sty. Talk presented at the IVth International Symposium on Radiative Corrections (RADCOR 98), Barcelona, September 8-12, 1998, to appear in the proceedingsHigh Energy Physics - Phenomenologytext