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Investigation of the D (s) () D-s eta ((')) and B (s) () B-s eta ((')) vertices via QCD sum rules

Yazıcı, Enis; Veliev, Elşen Veli; Azizi, Kazem; Sundu, Hayriye (Springer, 2013-10-14)

The strong-coupling constants among mesons are very important quantities as they can provide useful information on the nature of strong interaction among hadrons as well as the QCD vacuum. In this article, we investigate ...