# $η$ and $η-$ mesons in the Dyson-Schwinger approach using a generalization of the Witten-Veneziano relation

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The description of the $\eta$ and $\eta^\prime$ mesons in the Dyson-Schwinger approach has relied on the Witten-Veneziano relation. The present paper explores the consequences of using instead its generalization recently proposed by Shore. On the examples of three different model interactions, we find that irrespective of the concrete model dynamic

Autor: D. Horvatic; D. Blaschke; Yu. Kalinovsky; D. Kekez; D. Klabucar

Fuente: https://archive.org/