Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-12-19
Nucl.Phys.B495:37-56,1997
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, BoxedEPS, 23 pages, 3 figures included
Scientific paper
10.1016/S0550-3213(97)00225-3
We introduce new mechanisms for the communication of supersymmetry breaking via gauge interactions. These models do not require complicated dynamics to induce a nonvanishing F term for a singlet. The first class of models communicates supersymmetry breaking to the visible sector through a ``mediator" field that transforms under both a messenger gauge group of the dynamical supersymmetry breaking sector and the standard model gauge group. This model has distinctive phenomenology; in particular, the scalar superpartners should be heavier by at least an order of magnitude than the gaugino superpartners. The second class of models has phenomenology more similar to the ``standard" messenger sectors. A singlet is incorporated, but the model does not require complicated mechanisms to generate a singlet F term. The role of the singlet is to couple fields from the dynamical symmetry breaking sector to fields transforming under the standard model gauge group. We also mention a potential solution to the $\mu$ problem.
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