NLO QCD corrections to off-shell top–antitop production with semi-leptonic decays at lepton collidersAnsgar Denner, Mathieu Pellen and Giovanni PelliccioliEur. Phys. J. C, 83 5 (2023) 353DOI: https://doi.org/10.1140/epjc/s10052-023-11500-3