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Search for Lepton Flavor Violating Decays tau(-) -> l(-)K(s)(0) with the BABAR Experiment
Journal article   Peer reviewed

Search for Lepton Flavor Violating Decays tau(-) -> l(-)K(s)(0) with the BABAR Experiment

B. Aubert, M. Bona, Y. Karyotakis, J. P. Lees, V. Poireau, E. Prencipe, X. Prudent, V. Tisserand, J. Garra Tico, E. Grauges, …
Physical review. D, Vol.79(1)
27/01/2009
DOI: https://doi.org/10.1103/PhysRevD.79.012004

Abstract

Astronomy & Astrophysics Physical Sciences Physics Physics, Particles & Fields Science & Technology
A search for the lepton flavor violating decays tau(-) --> l(-)K(S)(0) (l = e or mu) has been performed using a data sample corresponding to an integrated luminosity of 469 fb(-1), collected with the BABAR detector at the SLAC PEP-II e(+) e(-) asymmetric energy collider. No statistically significant signal has been observed in either channel and the estimated upper limits on branching fractions are B(tau(-) --> e(-)K(S)(0)) < 3.3 x 10(-8) and B(tau(-) --> mu K--(S)0) < 4.0 x 10(-8) at 90% confidence level.

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