The New Fat Higgs: Slimmer and More Attractive

Abstract

In this paper we increase the MSSM tree level higgs mass bound to a value that is naturally larger than the LEP-II search constraint by adding to the superpotential a $\lambda S{H}_u{H}_d$ term, as in the NMSSM, and UV completing with new strong dynamics {\it before} $\lambda$ becomes non-perturbative. Unlike other models of this type the higgs fields remain elementary, alleviating the supersymmetric fine-tuning problem while maintaining unification in a natural way.

arXiv comment14 pages and 2 figures. Added references and updated argument about constraints from reheating temperature

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