2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43699We review photon Bremsstrahlung in extra-dimensional models with massive gravitons. The photon spectrum is harder than in the Standard Model. In the RS scenario, radiative return to gravitons below the c.m. energy can lead to a considerable increase of the cross section.4 pages, Talk at International Workshop on Physics and Experiments with Future Electron-Positron Linear Colliders (LCWS2004), April 19-23, 2004, Le Carre des Sciences, Paris, FranceHigh Energy Physics - Phenomenologytext