Prospects for Mirage Mediation

Details Prospects for Mirage Mediation Prospects for Mirage Mediation

2006-04-21

arxiv.org/abs/hep-ph/0604192v1

JHEP0609:017,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages

Scientific paper

10.1088/1126-6708/2006/09/017

Mirage mediation reduces the fine-tuning in the minimal supersymmetric standard model by dynamically arranging a cancellation between anomaly-mediated and modulus-mediated supersymmetry breaking. We explore the conditions under which a mirage "messenger scale" is generated near the weak scale and the little hierarchy problem is solved. We do this by explicitly including the dynamics of the SUSY-breaking sector needed to cancel the cosmological constant. The most plausible scenario for generating a low mirage scale does not readily admit an extra-dimensional interpretation. We also review the possibilities for solving the mu/Bmu problem in such theories, a potential hidden source of fine-tuning.

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