Charmed Mesons and Charmonia: Three-Meson Strong Couplings
Wolfgang Lucha, Dmitri Melikhov, Hagop Sazdjian, Silvano Simula
TL;DR
This paper examines the strong couplings of three-meson systems involving charm quarks, highlighting discrepancies between quark-model predictions and QCD sum-rule calculations.
Contribution
It provides a comparative analysis of strong coupling calculations for charm-involving mesons, revealing significant disagreements between different theoretical approaches.
Findings
Discrepancies identified between quark-model and QCD sum-rule results.
Highlights need for further refinement in theoretical methods.
Emphasizes importance of accurate strong coupling calculations for charm mesons.
Abstract
Revisiting the strong couplings of three mesons, each of which involves at least one charm quark, proves clear disaccord between quark-model and QCD sum-rule results.
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