${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$  Decay Mode Summary INSPIRE   PDGID:
M049.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ ($2.60$ $\pm0.10$) $ \times 10^{-2}$ 4384
The following data is related to the above value:
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