Precise predictions for electroweak $t\bar t$production at the LHC in models with flavour non-diagonal $Z′$ boson couplings and $W′$ bosons
M.M. Altakach, T. Jezo, M. Klasen, J.-N. Lang, I. Schienbein KA-TP-19-2020
Download: https://arxiv.org/abs/2012.15092