Higher-order corrections for $t{\bar t}$ production at high energies

Nikolaos Kidonakis

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arXiv · 2203.03698

Higher-order corrections for $t{\bar t}$ production at high energies

Nikolaos Kidonakis

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Abstract

I present theoretical calculations of $t{\bar t}$ production cross sections through aN$^3$LO in proton-proton collisions. I show that soft-gluon corrections dominate the perturbative expansion not only for LHC energies but also for future collider energies through 100 TeV. Detailed results are presented for various collision energies. The $K$-factors are large and increase slowly with increasing energy. The scale uncertainties decrease greatly as we move to higher perturbative orders.

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Nikolaos Kidonakis. 2022-03-07. Higher-order corrections for $t{\bar t}$ production at high energies. https://arxiv.org/abs/2203.03698

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