| Mode | Fraction ($\Gamma_i$ / $\Gamma$) | Scale Factor/ Conf. Level |
P(MeV/c) | |||
| $\Gamma_{1}$ | ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit B}}{{\overline{\mathit B}}}$ | $>0.96$ | CL= 95% | 326 | ||
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