Predictions demonstrate off-shell ttZ production at the LHC, suggesting improved understanding of multi-lepton decays.
We present predictions for the production and decay of a top–antitop pair in association with a Z boson in the multi-lepton decay channel at the LHC. Our results include the complete set of LO and NLO contributions. Since our calculation is based on full matrix elements, off-shell effects are entirely taken into account. Integrated and differential cross-sections are reported for a realistic fiducial setup.
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Daniele Lombardi (2026) studied this question.
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