Sphalerons on Orbifolds

Details Sphalerons on Orbifolds Sphalerons on Orbifolds

2009-04-04

arxiv.org/abs/0904.0700v2

Eur.Phys.J.C66:333-340,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures. To appear in EPJC

Scientific paper

10.1140/epjc/s10052-010-1234-5

In this work, we study the electroweak sphalerons in a 5D background, where the fifth dimension lies on an interval. We consider two specific cases: flat space-time and the anti-de Sitter space-time compactified on S^{1}/Z_{2}. In our work, we take the SU(2) gauge-Higgs model, where the gauge fields reside in the 5D bulk; but the Higgs doublet is confined in one brane. We find that the results in this model are close to those of the 4D Standard Model (SM). The existence of the warp effect, as well as the heaviness of the gauge Kaluza-Klein modes make the results extremely close to the SM ones.

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