Phenomenological Aspects of Dirichlet Higgs Model from Extra-Dimension

Details Phenomenological Aspects of Dirichlet Higgs Model from Extra-Dimension Phenomenological Aspects of Dirichlet Higgs Model from Extra-Dimension

2010-05-13

arxiv.org/abs/1005.2306v3

JHEP 1007:079,2010; Erratum-ibid.1011:071,2010; JHEP 1011:071,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 8 figures, title changed, phenomenological consequences substantially modified

Scientific paper

10.1007/JHEP07(2010)079 10.1007/

We study a simple five-dimensional extension of the Standard Model, compactified on a flat line segment in which there propagate Higgs and gauge bosons of the Standard Model. We impose a Dirichlet boundary condition on the Higgs field to realize its vacuum expectation value. Since a flat Nambu-Goldstone zero-mode of the bulk Higgs is eliminated by the Dirichlet boundary condition, a superposition of the Higgs Kaluza-Klein modes play the role of the Nambu-Goldstone boson except at the boundaries. We discuss phenomenology of our model at the LHC, namely the top Yukawa deviation and the production and decay of the physical Higgs field, as well as the constraints from the electroweak precision measurements.

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