Search for the lepton flavour violating decay τ [superscript −] → μ [superscript −] μ [superscript +] μ [superscript −]
Name
Zhong-2015-Search for the lepto.pdf
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520.31 KB
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Author(s)
Counts, Ian Thomas Hunt
Williams, Michael
Ilten, Philip J
Date Issued
February 2015
Journal
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
Abstract
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].
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1007/JHEP02(2015)121
