Charged lepton flavour violation at the CMS experiment

Charged lepton flavour violation (CLVF) processes can be directly related to neutrino masses and mixing and anomalous muon magnetic moment and therefore are very promising to find evidence for physics beyond the Standard Model (BSM). At CMS several searches for flavour violation have been performed in different channels and final state topologies. In particular they focussed on narrow resonances in same-sign dilepton mass spectra analyses, on heavy neutrinos with and without additional right-handed $W$ bosons and on leptonic R-parity violating (RPV) supersymmetry (SUSY) searches. In none of these cases evidence of new physics BSM has been found and the relative exclusion limits on the cross-sections of these new processes have been placed.