Technicolor and Beyond: Unification in Theory Space

TL;DR

This paper reviews models of dynamical electroweak symmetry breaking, introduces the ideal walking idea, discusses precision constraints, and explores unification of technicolor with supersymmetry, highlighting the potential for a maximal supersymmetric extension.

Contribution

It introduces the ideal walking concept, reviews the conformal S-parameter calculation, and proposes a unification framework combining technicolor and supersymmetry.

Findings

The conformal S-parameter can be computed exactly near the conformal window.

Minimal walking technicolor models are discussed as viable alternatives.

Supersymmetrization of minimal walking technicolor leads to N=4 SYM.

Abstract

The salient features of models of dynamical electroweak symmetry breaking are reviewed. The ideal walking idea is introduced according to which one should carefully take into account the effects of the extended technicolor dynamics on the technicolor dynamics itself. The effects amount at the enhancement of the anomalous dimension of the mass of the techniquarks allowing to decouple the Flavor Changing Neutral Currents problem from the one of the generation of the top mass. Precision data constraints are reviewed focussing on the latest crucial observation that the S-parameter can be computed exactly near the upper end of the conformal window (Conformal S-parameter) with relevant consequences on the selection of nature's next strong force. We will then introduce the Minimal Walking Technicolor (MWT) models. In the second part of this review we consider the interesting possibility to marry supersymmetry and technicolor. The reason is to provide a unification of different extensions of the standard model. For example, this means that one can recover, according to the parameters and spectrum of the theory distinct extensions of the standard model, from supersymmetry to technicolor and unparticle physiscs. A surprising result is that a minimal (in terms of the smallest number of fields) supersymmetrization of the MWT model leads to the maximal supersymmetry in four dimensions, i.e. N=4 SYM.