2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47208In this talk, I review the possibility that CPT and Lorentz symmetry might be spontaneously broken in nature by effects originating in a theory beyond the standard model, and I discuss some existing and future experimental tests.Presented at the Symposium on Flavor-Changing Neutral Currents, Santa Monica, CA, February 1997High Energy Physics - Phenomenologytext