${{\boldsymbol B}^{0}}$ $\rightarrow$ ${{\boldsymbol D}_{{1}}{(2420)}^{-}}{{\boldsymbol \ell}^{+}}{{\boldsymbol \nu}_{{{{\boldsymbol \ell}}}}}$ , ${{\boldsymbol D}_{{1}}^{-}}$ $\rightarrow$ ${{\overline{\boldsymbol D}}^{*0}}{{\boldsymbol \pi}^{-}}$ INSPIRE search

$\Gamma($ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit D}_{{1}}{(2420)}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ , ${{\mathit D}_{{1}}^{-}}$ $\rightarrow$ ${{\overline{\mathit D}}^{*0}}{{\mathit \pi}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{13}/\Gamma$
S042S05