2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/178840Assuming that we live on a non rigid brane with TeV-scale tension, the scalar fields that control the coordinates of our brane in the extra dimensions give rise to missing energy signals at high-energy colliders with a characteristic angular and energy spectrum, identical to the one due to graviton emission in 6 extra dimensions. LEP bounds and LHC capabilities are analyzed.8 pages. v2: ref.s added, misprints fixed. v3: footnote about string "predictions" for branon/graviton rates added at pag. 3High Energy Physics - Phenomenologytext