Supersymmetric Baryogenesis from Exotic Quark Decays

Details Supersymmetric Baryogenesis from Exotic Quark Decays Supersymmetric Baryogenesis from Exotic Quark Decays

2009-08-20

arxiv.org/abs/0908.2998v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, 7 figures, 2 appendices, v2: typos corrected, results unchanged

Scientific paper

In a simple extension of the minimal supersymmetric standard model, out-of-equilibrium decays of TeV scale exotic vector-like squarks may generate the baryon asymmetry of the universe. Baryon number and CP violation are present in the superpotential, so this mechanism does not rely on CP violation in supersymmetry breaking parameters. We discuss phenomenological constraints on the model as well as potential signals for the Large Hadron Collider and electronic dipole moment experiments. A variation on the TeV scale model allows the exotic squarks to be the messengers of gauge mediated supersymmetry breaking.

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