Abstract
In order to generate, in the context of gauge mediation, a Higgs mass around 126 GeV that avoids the little hierarchy problem, we explore a set of models where the messengers are directly coupled to new vector-like fields at the TeV scale in addition to the usual low energy degrees of freedom. We find that in this context, stop masses lighter than 2 TeV and large A-terms are generated, thereby improving issues of fine tuning.
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Fischler, W., Tangarife, W. Vector-like fields, messenger mixing and the Higgs mass in gauge mediation. J. High Energ. Phys. 2014, 151 (2014). https://doi.org/10.1007/JHEP05(2014)151
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DOI: https://doi.org/10.1007/JHEP05(2014)151