${{\boldsymbol \Upsilon}{(3S)}}$ $\rightarrow$ ${{\boldsymbol \Upsilon}{(2S)}}{{\boldsymbol \gamma}}{{\boldsymbol \gamma}}$ INSPIRE search

$\Gamma($ ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{4}/\Gamma$
M048R12