6533b86ffe1ef96bd12ce863
RESEARCH PRODUCT
Limits on tau lepton-flavor violating decays into three charged leptons
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Nuclear and High Energy PhysicsParticle physicsElectron–positron annihilationBABARFOS: Physical sciencesElementary particletau: branching ratioelectron positron: annihilationmeson01 natural sciencesPARTICLE PHYSICS; PEP2; BABARHigh Energy Physics - ExperimentNuclear physicsHigh Energy Physics - Experiment (hep-ex)Particle decaytau: leptonic decay; lepton: flavor: violation; tau: branching ratio; BaBar; background; SLAC PEP Stor; electron positron: annihilation; tau: pair production; final state: (0neutrino); upper limit; tau- --> lepton+ 2lepton-; 10.54: 10.58 GeV-cms quark: angular momentum; positron electron --> quark antiquark; excited state; mesonexcited state0103 physical sciencesPEP2[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]10.54: 10.58 GeV-cms quark: angular momentumpositron electron --> quark antiquark010306 general physicsfinal state: (0neutrino)PACS: 13.35.DxFlavorPhysicstau- --> lepton+ 2lepton-tau: pair productionlepton flavor violationbackground010308 nuclear & particles physicsQuark modelHigh Energy Physics::Phenomenologylepton: flavor: violationParticle physicsFermionBABAR detectorSLAC PEP StorHEPCharged particletau: leptonic decayPARTICLE PHYSICSHigh Energy Physics::ExperimentFísica de partículesExperimentsupper limitLeptondescription
A search for the neutrinoless, lepton-flavor violating decay of the tau lepton into three charged leptons has been performed using an integrated luminosity of 468 fb(-1) collected with the BABAR detector at the PEP-II collider. 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 (1.8-3.3) x 10(-8) at 90% confidence level.
year | journal | country | edition | language |
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2010-06-10 | Physical Review D |