${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$   Decay Mode Summary INSPIRE   PDGID:
M048.111
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{32}$ ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$ $<4.2 \times 10^{-6}$ CL= 90% 5025
Category: Lepton Family number ($\mathit LF$) violating modes
Note: (LF) Lepton family number conservation means separate conservation of each of $\mathit L_{{{\mathit e}}}$, $\mathit L_{{{\mathit \mu}}}$, $\mathit L_{{{\mathit \tau}}}$.
The following data is related to the above value:
$\Gamma($ ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{32}/\Gamma$