2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176432I describe how under favourable circumstances the invisible axion may manifest its existence at the LHC through the sparticle spectrum; in particular through a gluino \sim \ln (M_P/m_{3/2}) times heavier than other gauginos.4 pages, REVTeXHigh Energy Physics - Phenomenologytext