A one parameter, model confined-gluon propagator is employed in a phenomenological application of the Dyson-Schwinger and Bethe-Salpeter equations to the calculation of a range of {π}- and {ρ}-meson observables. Good agreement is obtained with the data. The calculated quark propagator does not have a singularity on the real-p² axis. A mass formula for the pion, involving only the vacuum, dressed quark propagator, is presented and shown to provide an accurate estimate of the mass obtained via a direct solution of the Bethe-Salpeter equation. {} 1996 The American Physical Society.
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Frank et al. (1996) studied this question.
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