${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything  Decay Mode Summary INSPIRE   PDGID:
M049.12
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{7}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything ($5.4$ $\pm0.4$) $ \times 10^{-4}$ S=1.4  4223
Category: Hadronic decays
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c0}}}}$ anything$)/\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)$
$\Gamma_{23}/\Gamma_{7}$
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c1}}}}$ anything$)/\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)$
$\Gamma_{24}/\Gamma_{7}$
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c2}}}}$ anything$)/\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)$
$\Gamma_{26}/\Gamma_{7}$
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}$ anything$)/\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)$
$\Gamma_{27}/\Gamma_{7}$
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)/\Gamma_{\text{total}}$
$\Gamma_{7}/\Gamma$