Charmed Mesons and Charmonia: Three-Meson Strong Couplings

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.

5 pages, 3 figures, contributed to "QCD@Work 2016 - International Workshop on Quantum Chromodynamics: Theory and Experiment" (27 - 30 June 2016, Martina Franca, Italy)

References in corpus (3)

• Update: Precision D_s decay constant from full lattice QCD using very fine lattices
• Fall-apart decays of polyquark hadrons
• A QCD sum rules calculation of the $J/\psi D_s^{\ast }{D}_s$ strong coupling constant