New Mechanisms of Dynamical Supersymmetry Breaking and Direct Gauge Mediation

Details New Mechanisms of Dynamical Supersymmetry Breaking and Direct Gauge Mediation New Mechanisms of Dynamical Supersymmetry Breaking and Direct Gauge Mediation

1997-09-10

arxiv.org/abs/hep-ph/9709306v3

Phys.Rev. D57 (1998) 6799-6806

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, LaTeX2e, no figures. Minor corrections; version to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.57.6799

We construct supersymmetric gauge theories with new mechanisms of dynamical supersymmetry breaking. The models have flat directions at the classical level, and different mechanisms lift these flat directions in different regions of the classical moduli space. In one branch of the moduli space, supersymmetry is broken by confinement in a novel manner. The models contain only dimensionless couplings and have large groups of unbroken global symmetries, making them potentially interesting for model-building. As an illustrative application, we couple the standard model gauge group to a model with an SU(5) global symmetry, resulting in a model with composite messengers and a non-minimal spectrum of superpartner masses.

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