Heavy-to-heavy and heavy-to-light weak decay form factors in the light-front approach: the exclusive $0^{-}$ to $0^{-}$ case

N. B. Demchuk, I. L. Grach, I. M. Narodetski +1

Weak transition form factors among heavy pseudoscalar mesons are investigated within a relativistic quark model formulated on the light-front. It is shown that the light-front resu…