Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2007-11-06
Phys.Rev.Lett.100:071802,2008
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 2 encapsulated postscript figures, submitted to PRL
Scientific paper
10.1103/PhysRevLett.100.071802
We have searched for lepton flavor violating decays of a $\tau$ to a lighter-mass charged lepton and an $\omega$ vector mesonusing 384.1 $fb^{-}$ of $e^+e^- $ annihilation data collected with the BABAR detector at the Stanford Linear Accelerator Center PEP-II storage ring. No signal is found, and the upper limits on the branching ratios are determined to be ${\cal B}(\tau^{\pm} \to \mathrm{e}^{\pm} \omega) < 1.1\times10^{-7}$ and ${\cal B}(\tau^{\pm} \to \mu^{\pm} \omega) < 1.0\times10^{-7}$ at 90% confidence level.
"The BABAR Collaboration
Aubert B.
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