Tree Level Metastability and Gauge Mediation in Baryon Deformed SQCD

Details Tree Level Metastability and Gauge Mediation in Baryon Deformed SQCD Tree Level Metastability and Gauge Mediation in Baryon Deformed SQCD

2009-10-21

arxiv.org/abs/0910.4047v3

JHEP 1002:035,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 7 figures, updated references

Scientific paper

10.1007/JHEP02(2010)035

We investigate supersymmetric QCD with gauge group SU(2) and a baryon deformation to the superpotential. The existence of an uplifted vacuum at the origin with tree level metastability is demonstrated. When this model is implemented in a direct gauge mediation scenario we therefore find gaugino masses which are comparable to sfermion masses and parameterised by an effective number of messengers 1/8. All deformations are well motivated by appealing to the electric theory and an R-symmetry. This R-symmetry is explicitly broken by the same term responsible for supersymmetry breaking. Moreover, the model does not suffer from the Landau pole problem and we find that it can be described in terms of just two scales: the weak scale and a high scale like the Planck or GUT scale. The model can be tested by searching for new particles at the TeV scale charged under the visible sector gauge group.

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