${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit p}}{{\overline{\mathit p}}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.103
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{80}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit p}}{{\overline{\mathit p}}}$ $<6 \times 10^{-6}$ CL= 90% 4636
Category: Radiative decays
Note: 2 GeV $<$ ${\mathit m}_{{{\mathit K}^{+}} {{\mathit K}^{-}}}<$ 3 GeV
The following data is related to the above value:
$\Gamma({{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{80}/\Gamma$