Search for Neutrinoless Tau Decays Involving the K0 Meson

Details Search for Neutrinoless Tau Decays Involving the K0 Meson Search for Neutrinoless Tau Decays Involving the K0 Meson

2002-11-11

arxiv.org/abs/hep-ex/0211027v1

eConf C0209101 (2002) TU16

Physics

High Energy Physics

High Energy Physics - Experiment

Invited talk at the Seventh International Workshop on Tau Lepton Physics (TAU02-TU13), Santa Cruz, Ca, USA, Sept 2002, 4 pages

Scientific paper

10.1016/S0920-5632(03)80315-8

We have searched for lepton flavor violating decays of the tau lepton with one or two KS0 mesons in the final state. The data used in the search were collected with the CLEO II and II.V detectors at the Cornell Electron Storage Ring (CESR) and correspond to an integrated luminosity of 13.9 fb^-1 at the Upsilon(4S) resonance. No evidence for signals were found, therefore we have set 90% confidence level (C.L.) upper limits on the branching fractions B(tau -> e KS0) < 9.1e-7, B(tau -> muKS0) < 9.5e-7, B(tau -> e 2KS0) < 2.2e-6, and B(tau -> mu 2KS0) < 3.4e-6. These represent significantly improved upper limits on the two-body decays and first upper limits on the three-body decays.

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