${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c1}}}{(3872)}}$ anything  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.194
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{40}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c1}}}{(3872)}}$ anything $<2.2 \times 10^{-4}$ CL= 90%
Category: Hadronic decays
The following data is related to the above value: