Lepton Flavor Violation at muon-electron colliders

Abstract

Lepton Flavor Violating (LFV) processes are clear signals of physics beyond the Standard Model. We investigate the possibility of measuring this kind of processes at present and foreseeable future muon-electron colliders, taking into account present day bounds from existing experiments. As a model of new physics we consider a Z' boson with a $U^{\prime }(1)$ gauge symmetry and generic couplings. Processes that violate lepton flavor by two units seem to be particularly promising.

arXiv comment9 pages, 4 figures. Final version published on JHEP

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• Testing tree level TeV scale seesaw scenarios in $\mu$TRISTAN
• The physics case for a neutrino lepton collider in light of the CDF W mass measurement
• Charged Lepton Flavor Violation at the High-Energy Colliders: Neutrino Mass Relevant Particles
• Search for R-Parity-Violation-Induced Charged Lepton Flavor Violation at Future Lepton Colliders