https://uwcscholar.uwc.ac.za/items/67cf37b8-c14f-4c50-9286-99a37cbaf4b7
Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp...
A measurement of the ratio of the branching fractions, Rτ/e = B(W → τν)/B(W → eν), is performed using a sample of W bosons originating from top-quark decays to...
lepton flavour universalityw bosontestdecayselectrons