Decay $D\to K^{(\ast )}{\ell }^{+}{\nu }_{\ell }$ in covariant quark model

N. R. Soni, J. N. Pandya

We study the leptonic and semileptonic $D$-meson decays ($D\to {\ell }^{+}{\nu }_{\ell }$ and ${\mathit{D} \to} {{\mathit K}^{(*)}}{{\mathit \el…