Abstract

A central ingredient in many string based Grand Unified Theories (GUTs) is p-branes filling our spacetime and wrapping some number of internal directions. In this talk we discuss the potential role of D3-branes sitting at a point of the internal geometry in an F-theory GUT. These D3-branes can naturally realize additional superconformal sectors which can couple to the states of the Standard Model. We explain how detailed features of these sectors and their impact on the visible sector can be extracted. Additionally, we explain how in scenarios where the scale of conformal symmetry breaking is close to the weak scale, this extra sector can modify the physics of the Higgs.

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