Warped 5D standard model consistent with EWPT

Joan A. Cabrer

doi:10.1002/prop.201100054

2011-05-30

Joan A. Cabrer

Gero von Gersdorff

M. Quirós *

DOI：10.1002/prop.201100054

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摘要

En 中文

For a 5D Standard Model propagating in an AdS background with an IR localized Higgs, compatibility of bulk KK gauge modes with EWPT yields a phenomenologically unappealing KK spectrum (m(KK) >= 12.5 TeV) and leads to a little hierarchy problem. For a bulk Higgs the solution to the hierarchy problem reduces the previous bound only by similar to root 3. As a way out, models with an enhanced bulk gauge symmetry SU(2)(R) x U(1)(B-L) were proposed. In this note we describe a much simpler (5D Standard) Model, where introduction of an enlarged gauge symmetry is no longer required. It is based on a warped gravitational background which departs from AdS at the IR brane and a bulk propagating Higgs. The model is consistent with EWPT for a range of KK masses within the LHC reach. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keyword:

Extra dimensions

electroweak breaking

warped spaces

期刊

Fortschritte der Physik-Progress of Physics

IF:

7.8

论文数:

2.0K

被引数:

3.6K

机构

barcelona institute of science & technology

学者数:

1.2W

论文数: 9.7K

被引数: 36

Autonomous University of Barcelona

学者数:

3.7W

论文数: 2.6W

被引数: 47

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