Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-12-19
Phys.Rev.D54:3488-3496,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages plain LaTeX (to be run twice) and 11 figures available separately from uuencoded files
Scientific paper
10.1103/PhysRevD.54.3488
We consider a realistic example of supersymmetric grand unification based on $SU(3)_c \times SU(3)_L \times SU(3)_R$ in which the electroweak (EW) higgs doublets are `light' as a consequence of the `pseudogoldstone' mechanism. We discuss radiative EW breaking in this model, exploring in particular the `small' (order unity) and `large' $(\approx m_t/m_b)$ $\tan \beta$ regions by studying the variations of $r (\equiv \sqrt{\mu^2_{1,2}/\mu^2_3})$, where $\mu^2_{1,2,3}$ are the well known MSSM parameters evaluated at the GUT scale. For $r$ sufficiently close to unity the quantity $\tan \beta$ can be of order unity, but the converse is not always true.
Ananthanarayan Balasubramanian
Shafi Qaisar
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