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Author

Christoph Nega

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Preprint Oct 2026

Analytic two-loop corrections to top-quark pair production at hadron colliders

We present the complete two-loop QCD amplitudes for the production of a top-quark pair in the quark--antiquark annihilation and gluon-fusion channels in analytic form up to order $\mathcal{O}(\varepsilon^2)$. Our analysis maintains full dependence on the top-quark mass and on the number of colours. The amplitudes are e...

F. Buccioni, Christoph Nega, Benjamin Sauer et al. · 0 citations

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