Document Type

Honors Project

Abstract

The elusive Higgs boson is currently best understood in light of its decay products. A number of its decay modes into Standard Model particles have already been studied rigorously in anticipation of the upcoming LHC data. We look at an extension of the Standard Model involving scalar branon particles that effectively reflect the motion of a four-dimensional brane into flat five-dimensional space-time. Using tools of quantum field theory and differential geometry, we look at the specific cases of Higgs decay into two massive and into four massless branons. We compare the branching ratio of the Higgs decaying into branons with the established major decay modes in order to determine to what extent the decay into branons, if they exist, significantly complicates the search for the Higgs boson.

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