The lepton-flavour violating decay \tau \to \mu \mu \antimu at the LHC

  title={The lepton-flavour violating decay \tau \to \mu \mu \antimu at the LHC},
  author={M. Giffels and J. Kallarackal and M. Kramer and B. O'Leary and A. Stahl},
  journal={Physical Review D},
Lepton-flavour violating tau-decays are predicted in many extensions of the Standard Model at a rate observable at future collider experiments. In this article we focus on the decay tau to mu mu antimu, which is a promising channel to observe lepton-flavour violation at the Large Hadron Collider LHC. We present analytic expressions for the differential decay width derived from a model-independent effective Lagrangian with general four-fermion operators, and estimate the experimental acceptance… Expand
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