Flavour in heavy neutrino searches at the LHC

Abstract

Heavy neutrinos at the TeV scale have been searched for at the LHC in the context of left-right models, under the assumption that they couple to the electron, the muon, or both. We show that current searches are also sensitive to heavy neutrinos coupling predominantly to the tau lepton, and present limits can significantly constrain the parameter space of general flavour mixing.

LaTeX 5 pages. Final version in PRD RC

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• Lepton Number Violation and W' Chiral Couplings at the LHC
• Double Beta Decay, Lepton Flavour Violation and Collider Signatures of Left-Right Symmetric Models with Spontaneous D Parity Breaking
• Radiative neutrino mass in 331 scheme
• Towards deconstructing the simplest seesaw mechanism
• The symmetry approach to quark and lepton masses and mixing
• Physics implications of recent Dresden-II reactor data
• Phenomenology of the simplest linear seesaw mechanism
• A renormalizable left-right symmetric model with low scale seesaw mechanisms
• W-mass Anomaly in the Simplest Linear Seesaw Mechanism
• The Type-I Seesaw family
• Leptonic neutral-current probes in a short-distance DUNE-like setup
• Lepton flavor violation beyond the MSSM
• Large lepton number violation at colliders: predictions from the minimal linear seesaw mechanism
• Fermion masses and mixings and charged lepton flavor violation in a 3-3-1 model with inverse seesaw
• Impact of unitarity violation on sensitivity of the leptonic CP phase at Hyper-Kamiokande and DUNE
• Loop-Level Lepton Flavor Violation and Diphoton Signals in the Minimal Left-Right Symmetric Model