Gravity and Electroweak Symmetry Breaking in a RSI/RSII Hybrid Model

Details Gravity and Electroweak Symmetry Breaking in a RSI/RSII Hybrid Model Gravity and Electroweak Symmetry Breaking in a RSI/RSII Hybrid Model

2009-01-26

arxiv.org/abs/0901.3794v1

Phys.Rev.D79:115012,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 4 figures

Scientific paper

10.1103/PhysRevD.79.115012

We present a hybrid RSI/RSII model in which we both solve the hierarchy problem and produce a continuum of KK graviton modes. In this model, four dimensional gravity can be reproduced and the radion mode can be stabilized. We then modify the hybrid gravity model to include SU(2)_L x SU(2)_R x U(1)_(B-L) bulk gauge fields. Electroweak symmetry is broken by the choice of appropriate boundary conditions. By adjusting the size of one region of the extra dimension, we show that the S parameter can be decreased while protecting the rho parameter from corrections. We find that as the S parameter is decreased by ~ 60%, M_Z' and M_W' stay below 1800 GeV, protecting unitarity.

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