Meson transition form factor are intermediate process to many decay and collision processes. As experiments continue to reduce uncertainties on such observables, it is important to match the effort on the theoretical side.In this spirit we present the calculation of the pion transition form factor using the framework of the Dyson-Schwinger and Bethe-Saltpeter equations. We furthermore discuss application of this form factor, such as other electromagnetic decay rates of the neutral pion or the calculation of the muon s magnetic moment. The latter is of particular interested as it has the potential to challenge the formulation of the Standard Model.
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