2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185315The radiative "B_c -> tau nu_tau gamma" decay is analyzed in the standard model. The branching ratio of this decay is calculated and the contributions of the Bremstrahlung and structure dependent parts are compared. It is shown that this decay can be detected at LHC.10 pages, 2 figures, LaTeX formattedHigh Energy Physics - Phenomenologytext