6533b825fe1ef96bd1282940
RESEARCH PRODUCT
Improved limits on the lepton-flavor violating decays tau(-) -> l(-)l(+)l(-)
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Nealsubject
Particle physicsVIOLATIONMesonElectron–positron annihilationCharged particleGeneral Physics and AstronomyElectron01 natural sciencesNuclear physicsParticle decaySEARCH; LEPTON; FLAVOR; VIOLATION; BABAR; SLACPositronSEARCH0103 physical sciencesFree energyLEPTON010306 general physicsPhysicsVolume fractionMuon010308 nuclear & particles physicsBranching fractionHigh Energy Physics::PhenomenologyParticle physicsBABAR detectorLepton flavorCharged leptonHEPGermanium compoundBaBarHigh Energy Physics::ExperimentParticle detectorSLACFísica de partículesExperimentsFLAVORLeptondescription
A search for the neutrinoless, lepton-flavor violating decay of the tau lepton into three charged leptons has been performed using 376fb-1 of data collected at an e+e- center-of-mass energy around 10.58 GeV with the BABAR detector at the SLAC PEP-II storage rings. In all six decay modes considered, the numbers of events found in data are compatible with the background expectations. Upper limits on the branching fractions are set in the range (4-8)×10-8 at 90% confidence level. © 2007 The American Physical Society.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2007-12-19 |