${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit \eta}}$ INSPIRE search

$\Gamma($ ${{\mathit B}_{{{s}}}^{0}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{122}/\Gamma$
S086P53