Search for the lepton flavour violating decay τ [superscript −] → μ [superscript −] μ [superscript +] μ [superscript −]
Author(s)
Counts, Ian Thomas Hunt; Williams, Michael; Ilten, Philip J
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A search for the lepton flavour violating decay τ [superscript −] → μ [superscript −] μ [superscript +] μ [superscript −] is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb[superscript −1] of proton-proton collisions at a centre-of-mass energy of 7 TeV and 2.0 fb[superscript −1] at 8 TeV. No evidence is found for a signal, and a limit is set at 90% confidence level on the branching fraction, B(τ [superscript −] → μ [superscript −] μ [superscript +] μ [superscript −]) < 4.6 × 10[superscript −8].
Date issued
2015-02Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Aaij, R., B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, et al. “Search for the Lepton Flavour Violating Decay τ [superscript −] → μ [superscript −] μ [superscript +] μ [superscript −].” J. High Energ. Phys. 2015, no. 2 (February 2015). © 2015 CERN, for the benefit of the LHCb Collaboration
Version: Final published version
ISSN
1029-8479
1126-6708