Model gluon propagator and pion and ρ-meson observables
- 1 January 1996
- journal article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 53 (1) , 390-398
- https://doi.org/10.1103/physrevc.53.390
Abstract
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.Keywords
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