Flavor Universal Resonances and Warped Gravity
Kaustubh Agashe, Peizhi Du, Sungwoo Hong, Raman Sundrum

TL;DR
This paper proposes an extension to warped extra-dimensional models that predicts flavor-safe, TeV-scale resonances accessible at the LHC, providing insights into the hierarchy problem and flavor structure.
Contribution
It introduces a natural extension of the minimal warped model with varied field propagation, leading to flavor-safe resonances and virtual effects indicative of Higgs and top compositeness.
Findings
Predicted flavor-blind Kaluza-Klein excitations accessible at LHC
Small deviations from flavor universality due to Higgs/top compositeness
Resonance decays into Higgs/top-rich final states at TeV scale
Abstract
Warped higher-dimensional compactifications with "bulk" standard model, or their AdS/CFT dual as the purely 4D scenario of Higgs compositeness and partial compositeness, offer an elegant approach to resolving the electroweak hierarchy problem as well as the origins of flavor structure. However, low-energy electroweak/flavor/CP constraints and the absence of non-standard physics at LHC Run 1 suggest that a "little hierarchy problem" remains, and that the new physics underlying naturalness may lie out of LHC reach. Assuming this to be the case, we show that there is a simple and natural extension of the minimal warped model in the Randall-Sundrum framework, in which matter, gauge and gravitational fields propagate modestly different degrees into the IR of the warped dimension, resulting in rich and striking consequences for the LHC (and beyond). The LHC-accessible part of the new physics…
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