Squarks and Sleptons between Branes and Bulk - Gaugino Mediation and Gravitino Dark Matter in an SO(10) Orbifold GUT

Details Squarks and Sleptons between Branes and Bulk - Gaugino Mediation and Gravitino Dark Matter in an SO(10) Orbifold GUT Squarks and Sleptons between Branes and Bulk - Gaugino Mediation and Gravitino Dark Matter in an SO(10) Orbifold GUT

2006-05-15

arxiv.org/abs/hep-ph/0605171v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Approximately 6 pages; yet another contribution to the proceedings of the XLIst Rencontres de Moriond, March 11-18, 2006, La T

Scientific paper

We study gaugino-mediated supersymmetry breaking in a six-dimensional SO(10) orbifold GUT model where quarks and leptons are mixtures of brane and bulk fields. The couplings of bulk matter fields to the supersymmetry breaking brane field have to be suppressed in order to avoid large FCNCs. We derive bounds on the soft supersymmetry breaking parameters and calculate the superparticle mass spectrum. If the gravitino is the LSP, the stau_1 or the tau sneutrino turns out to be the NLSP, with characteristic signatures at future colliders and in cosmology.

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