Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-08-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
CTP-TAMU-42/93, 32 pages, 12 figures (not included), Latex. Complete postscript file (uncompressed: 1.04MB, uuencoded:0.525MB)
Scientific paper
An introduction to the most important concepts in the subject of supersymmetric unified theories is presented. The emphasis is on the practical aspects leading to state-of-the-art calculations in this renascent subject. The topics covered include: generalities of supersymmetric unified theories, gauge and Yukawa coupling unification including the most up-to-date numerical analyses, soft supersymmetry breaking, and radiative electroweak symmetry breaking enforced using the tree-level and one-loop effective potentials. This class of supersymmetric models can be described in terms of five parameters: the top-quark mass ($m_t$), the ratio of Higgs vacuum expectation values ($\tan\beta$), and three universal soft-supersymmetry-breaking parameters ($m_{1/2},m_0,A$). Thus, highly correlated predictions can be expected for all conceivable experimental observables. In effect, these general models provide a basic framework upon which more constrained models can be built.
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