Search for the Decay B+→K+τ∓μ±
B. Aubert, M. Bóna, D. Boutigny, Y. Karyotakis et autres
We present a search for the lepton flavor violating decay ${B}^{+}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\tau}}^{\ensuremath{\mp}}{\ensuremath{\mu}}^{\ifmmode\pm\else\textpm\fi{}}$ using $383\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $B\overline{B}$ events collected by the BABAR experiment. The branching fraction for this decay can be substantially enhanced in new physics models. The kinematics of the tau from the signal …
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