Abstract
The coupling constants of D*D$\pi$ and B*B$\pi$ strong interactions are computed in the effective quark model with chiral symmetry incorporating Heavy quark effective theory (HQET) and Chiral perturbation theory at the quark level with linear realization of chiral U(3)XU(3) symmetry. We predict g(D*D$\pi$) = 5.2 and g(B*B$\pi$) = 14.3. The corrections of large heavy quark mass expansion to the constants g(D*D$\pi$) and g(B*B$\pi$) are calculated and make up less than 1 per cent.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have