Empirically Charting Dynamical Chiral Symmetry Breaking
Lei Chang, Craig D. Roberts
TL;DR
This paper reviews recent advances in hadron physics using Dyson-Schwinger equations, focusing on chiral symmetry breaking, quark anomalous moments, meson mass splittings, and parton distribution functions.
Contribution
It provides a comprehensive overview of recent progress in understanding dynamical chiral symmetry breaking through Dyson-Schwinger equations in QCD.
Findings
Identification of a quark anomalous chromomagnetic moment
Potential explanation for the $a_1$-$ ho$ mass splitting
Insights into pion and kaon valence-quark distributions
Abstract
We provide a snapshot of recent progress in hadron physics made using QCD's Dyson-Schwinger equations, reviewing the generation of a quark anomalous chromomagnetic moment, which may explain the longstanding puzzle of the - mass splitting, and the form of the pion and kaon valence-quark parton distribution functions.
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