Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-02-28
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, no figure, latex, sprocl.sty, talk by E. Ma at the Conference on Phenomenological Aspects of Superstring Theories, Tr
Scientific paper
If there exists an arbitrary supersymmetric U(1) gauge factor at the TeV scale, under which the two Higgs superfields H_{1,2} of the standard model are nontrivial, and if there is also a singlet superfield S such that the H_1 H_2 S term is allowed in the superpotential, then the structure of the two-doublet Higgs sector at the electroweak scale is more general than that of the MSSM (Minimal Supersymmetric Standard Model). Under further assumptions of grand unification and universal soft supersymmetry breaking terms, the scale of U(1) breaking is related to the parameter tan(beta) = v_2/v_1.
Keith E.
Ma Ernest
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