Aula 7, Edificio Fermi, Roma1

We consider supersymmetric theories where the gravitino is the lightest superparticle. Stable gravitinos can explain the observed cold dark matter for gluino masses O(1 TeV). If the next-to-lightest superparticle is a charged slepton, it appears feasible to determine mass and spin of the gravitino at the LHC or a future Linear Collider.