A Simple Model of Direct Gauge Mediation of Metastable Supersymmetry Breaking

Details A Simple Model of Direct Gauge Mediation of Metastable Supersymmetry Breaking A Simple Model of Direct Gauge Mediation of Metastable Supersymmetry Breaking

2007-09-19

arxiv.org/abs/0709.2945v2

Phys.Rev.D76:115019,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 1 figure, Final version to appear in PRD

Scientific paper

10.1103/PhysRevD.76.115019

We construct a model of direct gauge mediation of metastable SUSY breaking by simply deforming the Intriligator, Seiberg and Shih model in terms of a dual meson superpotential mass term. No extra matter field is introduced. The deformation explicitly breaks a U(1)_R symmetry and a pseudo moduli have a nonzero VEV at one-loop. Our metastable SUSY breaking vacuum turns out to be sufficiently long-lived. By gauging a subgroup of flavor symmetry, our model can directly couple to the standard model, which leads to nonvanishing gaugino mass generation. It is also shown that our model can evade the Landau pole problem. We show the parameters in the SUSY breaking sector are phenomenologically constrained.

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