Experimental determination of Chiral Symmetry Breaking Parameters
Marc Knecht
Abstract
In the low energy domain, Chiral Perturbation Theory parametrizes the small chiral symmetry breaking effects, produced by the quark masses mu, md and ms, in terms of order parameters of massless QCD. The latter can then, in principle, be measured in high precision, low energy experiments. We discuss several relevant processes and possible improvements at future high luminosity tau/charm or K factories. (talk given at the XXVIIIth Rencontres de Moriond on QCD and High Energy Hadronic Interactions, Les Arcs (France), March 20-27 1993.)
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