
TL;DR
This paper develops a framework for realistic warped universal extra dimension models using a 7D spacetime, deriving KK spectra and demonstrating the localization of fermions, with implications for dark matter and flavor physics.
Contribution
It introduces a 7D warped model with KK spectra and fermion localization, integrating features of UED and Randall-Sundrum models for realistic phenomenology.
Findings
KK spectra for gravitons, vectors, and Higgs derived
Fermion localization enables flavor model building
KK parity ensures dark matter candidate stability
Abstract
We develop the necessary ingredients for the construction of realistic models with warped universal extra dimensions. Our investigations are based on the seven dimensional (7D) spacetime AdS_5 x T^2 and we derive the Kaluza-Klein (KK) spectra for gravitons, bulk vectors and the TeV brane localized Higgs boson. We show that, starting with a massive 7D fermion, one may obtain a single chiral massless mode whose profile is readily localized towards the Planck or TeV brane. This allows one to place the standard model fermions in the bulk and construct models of flavor as in Randall-Sundrum models. Our solution also admits the familiar KK parity of UED models so that the lightest odd KK state is stable and may be a dark matter (DM) candidate. As an additional feature the AdS_5 warping ensures that the excited modes on the torus, including the DM candidate, appear at TeV energies (as is…
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