The QCD analytic running coupling and chiral symmetry breaking
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We study the dependence on the pion mass of the QCD effective charge by employing the dispersion relations for the Adler D function. This new massive analytic running coupling is compared to the effective coupling saturated by the dynamically generated gluon mass. A qualitative picture of the possible impact of the former coupling on the chiral symmetry breaking is presented.
Talk given at 11th International QCD Conference (QCD 04), 5 - 10 July 2004, Montpellier, France; 4 pages, 4 figures
Talk given at 11th International QCD Conference (QCD 04), 5 - 10 July 2004, Montpellier, France; 4 pages, 4 figures