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cc-by-nc-nd (c) Elsevier B.V., 2013
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/69288

Searches for violation of lepton flavour and baryon number in tau lepton decays at LHCb

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Searches for the lepton flavour violating decay τ−→μ−μ+μ− and the lepton flavour and baryon number violating decays τ−→p¯μ+μ− and τ−→pμ−μ− have been carried out using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb−1, taken by the LHCb experiment at s√=7 TeV. No evidence has been found for any signal, and limits have been set at 90% confidence level on the branching fractions: B(τ−→μ−μ+μ−)<8.0×10−8, B(τ−→p¯μ+μ−)<3.3×10−7 and B(τ−→pμ−μ−)<4.4×10−7. The results for the τ−→p¯μ+μ− and τ−→pμ−μ− decay modes represent the first direct experimental limits on these channels.

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ABELLAN BETETA, Carlos, et al. Searches for violation of lepton flavour and baryon number in tau lepton decays at LHCb. Physics Letters B. 2013. Vol. 724, num. 1-3, pags. 36-45. ISSN 0370-2693. [consulted: 21 of June of 2026]. Available at: https://hdl.handle.net/2445/69288

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