${{\boldsymbol B}^{0}}$ $\rightarrow$ ${{\boldsymbol D}^{-}}{{\boldsymbol \pi}^{+}}{{\boldsymbol \pi}^{-}}{{\boldsymbol \ell}^{+}}{{\boldsymbol \nu}_{{{{\boldsymbol \ell}}}}}$ INSPIRE search

$\Gamma($ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit D}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ $)/\Gamma($ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit D}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ $)$
$\Gamma_{16}/\Gamma_{4}$
S042C42