A New Extensions of MSSM: FMSSM

Understand

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, \tau} 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 \beta .