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Extra dimensions and electroweak symmetry breaking

Tan, Jong Anly
Abstract
In anticipation of the Large Hadron Collider (LHC) which is currently scheduled to start operating in September 2009, Particle physicists have developed various models to predict phenomena that may be observed in the LHC data. One of the ideas that have been developed is warped extra dimensions. The S parameter, one of the electroweak precision observables is predicted by experiments to be less than about 0.1. However, most of the models that try to explain the electroweak symmetry breaking without a Higgs Boson have a large S parameter > 0.2.;We study the possibility of reducing the S parameter in a wared extra dimensions scenario. In our models the S parameter is small over a significant region of the parameter space, and may be consistent with experimental bounds.;Since the extra dimensional models are an effective theory at low energy, we then explore the UV completion of extra dimensional models by latticizing the extra dimension. We study a class of supersymmetric models in which certain aspects of the low energy effective theory can be determined exactly. We find that the topology of the extra dimension is determined dynamically and does not always agree with the naive interpretation of the deconstructed model.
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2010-01-01
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3405098.pdf
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Erlich, Joshua
Department
Physics
DOI
https://dx.doi.org/doi:10.21220/s2-tk22-pd67
URI
https://scholarworks.wm.edu/handle/internal/5659
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