The ATLAS experiment at the Large Hadron Collider reports a search for charged-lepton-flavour violation in decays of ZZ bosons into a τ lepton and an electron or muon of opposite charge.

Search for charged-lepton-flavour violation in Z-boson decays with the ATLAS detector

Farina E. M.;Introzzi G.;Livan M.;Negri A.;Pezzotti L.;Rebuzzi D. M.;Rimoldi A.;Rovelli G.;