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Mesons in non-local chiral quark models

Wojciech Broniowski

hep-pharXiv:hep-ph/9911204

Abstract

Vector meson correlators are studied in effective chiral quark models with both local and non-local regulators. A set of sum rules based on dispersion relations is derived, which allows for a comparison of model predictions to data. We show that the two Weinberg sum rules for vector correlators hold in the non-local model.

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