A New Extensions of MSSM: FMSSM

Abstract

We propose an extension of the MSSM by adding vector like `matter' fields with masses near the TeV scale. This extension allows us to generate the masses of the bottom quark and tau lepton via radiative corrections such that only up type Higgs doublet couples with quarks and leptons. In addition to providing a natural explanation of the hierarchies between m_{b, τ} and m_t, this new extension, which we call FMSSM, allows the heavy sector of the MSSM Higgs bosons to be essentially fermiophobic as well as gaugephobic. Moreover, in this scenario there is no upper bound for the parameter \tan β. FMSSM can be distinguished from the MSSM, and has peculiar and unorthodox signals at the LHC, especially for the Higgs sector.

LaTex, 1 fig. Clarifying remarks added. To appear in Phys. Lett. B

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• Axion Protection from Flavor
• A Domino Theory of Flavor
• A light scalar as the messenger of electroweak and flavor symmetry breaking
• Fermion Mass Hierarchy from Symmetry Breaking at the TeV Scale
• Fermion mass hierarchy and new physics at the TeV scale
• Supersymmetric Radiative Flavour