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Search for Lepton-Flavor-Violating and Lepton-Number-Violating tau to lhh' Decay Modes

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arxiv 1206.5595 v2 pith:SVSWRYIA submitted 2012-06-25 hep-ex

classification hep-ex
keywords lepton-flavor-violatinglepton-number-violatinglimitssearchupperasymmetric-energyaveragebelle
verification ladder T0 review T1 audit T2 compute T3 formal
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We search for lepton-flavor-violating and lepton-number-violating tau decays into a lepton (l = electron or muon) and two charged mesons (h, h' = pion or Kaon) using 854 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We obtain 90% confidence level upper limits on the tau to lhh' branching fractions in the range (2.0-8.4)*10^{-8}. These results improve upon our previously published upper limits by factors of about 1.8 on average.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Charged Lepton Flavor Violation at Neutrino Telescopes

    hep-ph 2026-06 unverdicted novelty 7.0 of 10

    Proposes a new CLFV search in IceCube using cosmic-ray muons, deriving sensitivities for EFT operators and a Z' model, with comparisons to other experiments and projections for future telescopes.

  2. Polarization Probes of New Physics in Lepton-Flavor-Violating Hyperon Production from $e^- N \to \tau^- Y$ Scattering

    hep-ph 2025-06 conditional novelty 4.0 of 10

    Polarization asymmetries in e-N to tau-Y scattering could distinguish hyperon form factor models and the chiral nature of new lepton-flavor-violating vector interactions, but predicted rates are at most a few hundred ...

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