${{\boldsymbol \Upsilon}_{{2}}{(1D)}}$ $\rightarrow$ ${{\boldsymbol \gamma}}{{\boldsymbol \gamma}}{{\boldsymbol \Upsilon}{(1S)}}$ INSPIRE search

$\Gamma($ ${{\mathit \Upsilon}_{{2}}{(1D)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \Upsilon}{(1S)}}$ $)/\Gamma($ ${{\mathit \Upsilon}_{{2}}{(1D)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ $)$
$\Gamma_{4}/\Gamma_{1}$
M177R02
$\Gamma($ ${{\mathit \Upsilon}_{{2}}{(1D)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \Upsilon}{(1S)}}$ $)/\Gamma($ ${{\mathit \Upsilon}_{{2}}{(1D)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ $)$
$\Gamma_{3}/\Gamma_{1}$
M177R01