Analysis of the vertex $D^{\ast }{D}^{\ast }\rho$ with the light-cone QCD sum rules

Abstract

In this article, we analyze the vertex $D^{\ast }{D}^{\ast }\rho$ with the light-cone QCD sum rules. The strong coupling constant $g_{D^{\ast }{D}^{\ast }\rho }$ is an important parameter in evaluating the charmonium absorption cross sections in searching for the quark-gluon plasmas. Our numerical value for the $g_{D^{\ast }{D}^{\ast }\rho }$ is consistent with the prediction of the effective SU(4) symmetry and vector meson dominance theory.

6 pages, 1 figure, revised version

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Cited by in corpus (5)

• Charm couplings and form factors in QCD sum rules
• The strong vertices of charmed mesons $D$, $D^{\ast }$ and charmonia $J/\psi$, ${\eta }_c$
• The strong vertices of bottom mesons $B$, $B^{\ast }$ and bottomonia ${\rm Y}$, ${\eta }_b$
• Strong coupling constants of charmed and bottom mesons with light vector mesons in QCD sum rules
• Dispersive Analysis of $D$- and $B$-Meson Form Factors with Chiral and Heavy-Quark Constraints