Quark gap equation within the analytic approach to QCD
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Quark gap equation within the analytic approach to QCD

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Quark gap equation within the analytic approach to QCD

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Aguilar, Arlene Cristina; Nesterenko, A.V.; Papavassiliou, Joannis
Aquest document és un/a article, creat/da en: 2007
The compatibility between the QCD analytic invariant charge and chiral symmetry breaking is examined in detail. The coupling in question incorporates asymptotic freedom and infrared enhancement into a single expression, and contains only one adjustable parameter with dimension of mass. When inserted into the standard form of the quark gap-equation it gives rise to solutions displaying singular confining behavior at the origin. By relating these solutions to the pion decay constant, a rough estimate of about 880 MeV is obtained for the aforementioned mass-scale.

    Aguilar, Arlene Cristina Nesterenko, A.V. Papavassiliou, Joannis 2007 Quark gap equation within the analytic approach to QCD Nuclear Physics B-Proceedings Supplements 164 300 303
http://dx.doi.org/10.1016/j.nuclphysbps.2006.11.071
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