Mesonic spectroscopy of Minimal Walking Technicolor

Preprint number: CP3-Origins-2010-12
Authors: Luigi Del Debbio (University of Edinburgh), Biagio Lucini (Swansea University), Agostino Patella (Swansea University), Claudio Pica (CP3-Origins), and Antonio Rago (Bergische Universität Wuppertal)
External link: arXiv.org

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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.