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A dressed quark propagator representation in the Bethe–Salpeter description of mesons

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Abstract:

Using a non-perturbative approach that involves the Dyson–Schwinger equations of QCD and an effective interaction within their rainbow-ladder truncation scheme, we explore the effectiveness of a parametrization of dressed quark propagators in studying meson properties. The propagator parametrization is also used to extract useful information about a possible constituent-like behavior of the dynamical solution in the heavy quark mass limit and the effect on physical observables. Other benefits of this approach are also discussed and analyzed.

Document Type: Research Article

DOI: http://dx.doi.org/10.1088/0954-3899/37/11/115001

Publication date: November 1, 2010

iop/jphysg/2010/00000037/00000011/art115001
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