2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47910In supersymmetric theories, R-parity is defined in a way such that it does not commute with the space-time symmetries. We show that, in general sypersymmetric models, one can define a discrete symmetry which commutes with all space-time and gauge symmetries, and whose phenomenological implications are equivalent to those of R-parity.3 pages, LatexHigh Energy Physics - Phenomenologytext