(Extra)Ordinary Gauge Mediation

Details (Extra)Ordinary Gauge Mediation (Extra)Ordinary Gauge Mediation

2007-10-18

arxiv.org/abs/0710.3585v3

JHEP 0807:054,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

50 pages, 11 figures

Scientific paper

10.1088/1126-6708/2008/07/054

We study models of "(extra)ordinary gauge mediation," which consist of taking ordinary gauge mediation and extending the messenger superpotential to include all renormalizable couplings consistent with SM gauge invariance and an R-symmetry. We classify all such models and find that their phenomenology can differ significantly from that of ordinary gauge mediation. Some highlights include: arbitrary modifications of the squark/slepton mass relations, small mu and Higgsino NLSP's, and the possibility of having fewer than one effective messenger. We also show how these models lead naturally to extremely simple examples of direct gauge mediation, where SUSY and R-symmetry breaking occur not in a hidden sector, but due to the dynamics of the messenger sector itself.

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