${{\boldsymbol \Upsilon}{(4S)}}$ $\rightarrow$ ${{\boldsymbol \Upsilon}{(1S)}}{{\boldsymbol \eta}}$ INSPIRE search

$\Gamma($ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$ $)/\Gamma($ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{19}/\Gamma_{18}$
M047R19
$\Gamma($ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{19}/\Gamma$
M047R18