Right-handed lepton mixings at the LHC

We study how the elements of the leptonic right-handed mixing matrix can be determined at the lhc in the minimal left-right symmetric extension of the standard model. we do it by explicitly relating them with physical quantities of the keung-senjanović process and the lepton number violating decays of the right doubly charged scalar. we also point out that the left and right doubly charged scalars can be distinguished at the lhc, without measuring the polarization of the final state leptons coming from their decays.