Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-04-19
Physics
High Energy Physics
High Energy Physics - Phenomenology
v2 Version to appear in Physical Review D. 21 Pages, 3 figures
Scientific paper
We use the "General Gauge Mediation" formalism to describe a 5D setup with an $S^{1}/Z_{2}$ orbifold. We first consider a model independent SUSY breaking hidden sector on one boundary and generic chiral matter on another. Using the definition of GGM, the effects of the hidden sector are contained in a set of global symmetry current correlator functions and is mediated through the bulk. We find the gaugino, sfermion and hyperscalar mass formulas for minimal and generalised messengers in different regimes of a large, small and intermediate extra dimension. Then we use the 5D GGM formalism to construct a model in which an SU(5) ISS model is located on the hidden boundary. We weakly gauge a global symmetry of the ISS model and associate it with the bulk vector superfield. Compared to 4D GGM, there is a natural way to adjust the gaugino versus sfermion mass ratio by a factor $(M l)^{2}$, where M is a characteristic mass scale of the SUSY breaking sector and l is the length of the extra dimension.
McGarrie Moritz
Russo Rodolfo
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