The Flavor Structure of the Three-Site Higgsless Model

TL;DR

This paper analyzes the flavor structure of the three-site Higgsless model, demonstrating that it remains phenomenologically viable due to minimal flavor violation and controlled flavor-changing effects at both tree and one-loop levels.

Contribution

It provides a detailed evaluation of flavor constraints on the three-site Higgsless model, highlighting the role of minimal flavor violation and ideal delocalization in suppressing flavor-changing processes.

Findings

Current data constrain the model to minimal flavor violation at tree level.

One-loop corrections are sufficiently small due to model features.

The model remains phenomenologically viable under these constraints.

Abstract

We study the flavor structure of the three-site Higgsless model and evaluate the constraints on the model arising from flavor physics. We find that current data constrain the model to exhibit only minimal flavor violation at tree level. Moreover, at the one-loop level, by studying the leading chiral logarithmic corrections to chirality-preserving Delta F = 1 and Delta F = 2 processes from new physics in the model, we show that the combination of minimal flavor violation and ideal delocalization ensures that these flavor-changing effects are sufficiently small that the model remains phenomenologically viable.