Higgs sectors with exotic scalar fields

Abstract

The discovery of the Higgs boson like particle with the mass of around 126 GeV has given us a great clue to know what is the true Higgs sector. New physics models at the TeV scale often introduce Higgs sectors extended from the minimal form, so that the determination of the Higgs sector can be a probe of new physics models. In this talk, we focus on the Higgs sector with exotic representation fields whose isospin is larger than 1/2. We first discuss the general features of exotic Higgs sectors, and then we consider several concrete models to clarify them. The phenomenology of the Higgs triplet model is discussed as the simple but important example.

8 pages, talk given in Toyama International Workshop on "Higgs as a Probe of New Physics 2013" (HPNP2013), Toyama, Japan, 13-16 Feb. 2013

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