Strong Couplings of Heavy Mesons to A Light Vector Meson in QCD

Zuo-Hong Li, Tao Huang, Jin-Zuo Sun +1

We make a detailed analysis of the $BB\rho (DD\rho )$ and $B^{\ast }B\rho (D^{\ast }D\rho )$ strong couplings $g_{BB\rho }(g_{DD\rho })$ and $g_{B^{\ast }B\rho }(g_{D^{\ast }D\rho })$ using QCD light cone sum rules(LCSR). The existi…