Singlet deflected anomaly/gauge mediation

Details Singlet deflected anomaly/gauge mediation Singlet deflected anomaly/gauge mediation

2011-08-11

arxiv.org/abs/1108.2511v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex 14 pages, 5 eps figures

Scientific paper

We study an extension of the standard anomaly/gauge mediation scenario where the messenger fields have direct interactions with an extra gauge singlet. This realizes a phenomenologically viable NMSSM-like scenario free of the mu-b_mu problem. Current cosmological constraints imply a small size for the anomaly-mediation contributions, unless some source of R-parity violation is permitted. In the latter case the allowed regions in the parameter space can be substantially larger than in the corresponding gauge-mediation scenario.

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