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hep-ex2000★ 7 cited
First Measurement of the Branching Fraction of the Decay psi(2S) --> tau tau
J. Z. Bai
The branching fraction of the psi(2S) decay into tau pair has been measured for the first time using the BES detector at the Beijing Electron-Positron Collider. The result is $B_{τ…
hep-ex2000★ 16 cited
A Measurement of the Mass and Full-Width of the Meson
J. Z. Bai
In a sample of 7.8 million decays collected in the Beijing Spectrometer, the process J/ is observed for five different decay channels: , $π^+π^-…