Theoretical aspects of electroweak symmetry breaking in SUSY models

Abstract

The electroweak (EW) symmetry breaking in the simplest supersymmetric (SUSY) extensions of the standard model (SM), i.e. minimal and next-to-minimal supersymmetric standard models (MSSM and NMSSM), is considered. The spectrum of the Higgs particles, upper bound on the mass of the lightest Higgs boson and little hierarchy problem are discussed. The breakdown of gauge symmetry and Higgs phenomenology within the E6 inspired SUSY models with extra U(1)' factor are briefly reviewed.Comment: Plenary talk at the XIXth International Workshop on High Energy Physics and Quantum Field Theory, Golitsyno, Moscow, Russia, September 2010, 15 page