The Gravitino in Gaugino Mediation
Abstract
We show that for gaugino mediated supersymmetry breaking the gravitino mass is bounded from below. For a size of the compact dimensions of order the unification scale and a cutoff given by the higher-dimensional Planck mass, we find m3/2 10 GeV. In a large domain of parameter space, the gravitino is the lightest superparticle with a scalar τ-lepton as the next-to-lightest superparticle.
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