Model gluon propagator and pion and rho-meson observables

Details Model gluon propagator and pion and rho-meson observables Model gluon propagator and pion and rho-meson observables

1995-08-03

arxiv.org/abs/hep-ph/9508225v1

Phys.Rev.C53:390-398,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 Pages, no figures, REVTEX

Scientific paper

10.1103/PhysRevC.53.390

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 $\pi$- and $\rho$-meson observables. Good agreement is obtained with the data. The calculated quark propagator does not have a singularity on the real-$p^2$ 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.

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