Abstract
We consider focus point gauge mediation within the framework of the next-to-minimal supersymmetric standard model, which substantially reduces the degree of finetuning for the electroweak symmetry breaking. The milder fine-tuning is realized by a messenger field in the adjoint representation of SU(5) gauge group with SU(3)c octet being heavy. Our model has a simple ultraviolet completion. The fine-tuning measure Δ can be as small as 40-50 without any contradiction with LHC constraints.
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ArXiv ePrint: 1809.00787
Hamamatsu professor. (Tsutomu T. Yanagida)
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Yanagida, T.T., Yokozaki, N. Focus point gauge mediation without a severe fine-tuning. J. High Energ. Phys. 2018, 149 (2018). https://doi.org/10.1007/JHEP10(2018)149
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DOI: https://doi.org/10.1007/JHEP10(2018)149