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

$\Gamma($ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{\tau}}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{21}/\Gamma$
S042R86