TL;DR
This paper reviews recent progress in studying the non-perturbative properties of an SU(3) gauge theory with sextet fermions, which is a candidate for beyond Standard Model physics, highlighting current challenges in lattice simulations.
Contribution
It summarizes recent advances and outlines future challenges in non-perturbative lattice studies of SU(3) gauge theory with sextet fermions.
Findings
Progress in understanding non-perturbative properties
Identification of key difficulties in lattice simulations
Potential implications for Standard Model extensions
Abstract
SU(3) gauge theory coupled to N_f = 2 fermions in the sextet representation is a promising candidate for a technicolor inspired Standard Model extension. In this note the progress in the past few years aimed at understanding the non-perturbative properties of the model is reviewed. The main difficulties lying ahead in order to make robust conclusions from lattice simulations are outlined.
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