Mesonic spectroscopy of Minimal Walking Technicolor

TL;DR

This study examines the mesonic spectrum of Minimal Walking Technicolor to determine if it exhibits conformal behavior or resembles QCD, finding evidence supporting near-conformal dynamics with less likelihood of chiral symmetry breaking.

Contribution

The paper provides the first detailed comparison of mesonic spectra in MWT with IR-conformal and QCD-like theories, highlighting its near-conformal nature.

Findings

Results favor IR-conformal behavior of MWT

Spontaneous chiral symmetry breaking appears less likely

Precision measurements support near-conformal dynamics

Abstract

We investigate the structure and the novel emerging features of the mesonic non-singlet spectrum of the Minimal Walking Technicolor (MWT) theory. Precision measurements in the nonsinglet pseudoscalar and vector channels are compared to the expectations for an IR-conformal field theory and a QCD-like theory. Our results favor a scenario in which MWT is (almost) conformal in the infrared, while spontaneous chiral symmetry breaking seems less plausible.