Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-25
Phys.Rev.D77:016005,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, latex. Issues of metastability further elaborated
Scientific paper
10.1103/PhysRevD.77.016005
Until recently, dynamical supersymmetry breaking seemed an exceptional phenomenon, involving chiral gauge theories with a special structure. Recently it has become clear that requiring only metastable states with broken supersymmetry leads to a far broader class of theories. In this paper, we extend these constructions still further, finding new classes which, unlike earlier theories, do not have unbroken, approximate $R$ symmetries. This allows construction of new models with direct gauge mediation. These theories permit a relatively compact solution to the $\mu$ problem.
Dine Michael
Mason John
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