Pion masses in quasiconformal gauge field theories
Dennis D. Dietrich, Matti Jarvinen
TL;DR
This paper investigates how quasiconformal gauge theories, especially walking technicolour models, affect pion masses and related parameters, revealing potential contributions of several hundred GeV.
Contribution
It extends Weinberg sum rules and evaluates pion masses in quasiconformal theories, including minimal walking technicolour, providing new insights into their phenomenology.
Findings
Pion masses can reach several hundred GeV in these models.
Modified sum rules provide a better understanding of electroweak parameters.
The study offers quantitative estimates for technicolour model contributions.
Abstract
We study modifications to Weinberg-like sum rules in quasiconformal gauge field theories. Beyond the two Weinberg sum rules and the oblique S parameter we study the pion mass and the X parameter. Especially, we evaluate the pion mass for walking technicolour theories, in particular also minimal walking technicolour, and find contributions of the order of up to several hundred GeV.
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