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Proceedings of 40th International Conference on High Energy physics — PoS(ICHEP2020)
We report on our re-calculation of electroweak top-quark pair production in Standard Model extensions with extra heavy neutral and charged spin-1 particles at the LHC with substantial improvements. In particular, we allow for flavour-non-diagonal Z couplings and take into account non-resonant production in the Standard Model and beyond. As in our previous work we include NLO QCD corrections and match to parton showers with the POWHEG method fully taking into account the Standard Model and newdoi:10.22323/1.390.0315 fatcat:ervqiywnxjaynac63cmui6wrea