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This is a Quantitative Study study.

October 16, 2025Open Access

Resummation for s-channel single-top production

Key Points

Soft-gluon corrections dominate QCD corrections, enhancing theoretical accuracy at LHC energies.
The approach approximates exact results through NNLO, providing reliable predictions for single-top-quark processes.
N3LO corrections are computed, highlighting the influence of higher-order terms on the theoretical predictions.
The calculation accommodates massless and massive b-quarks, expanding the application of the resummation technique.

Abstract

I present results for s-channel single-top-quark production using soft-gluon resummation. I show that the soft-gluon corrections provide the dominant contribution to the QCD corrections, and that they approximate very well the exact results through NNLO. Furthermore, approximate N³LO corrections are computed. The calculation treats the final-state b-quarks as massless but I also show how to extend the formalism to the case of massive b-quarks. The higher-order corrections are large at LHC energies and they improve the theoretical accuracy.

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Cite This Study

Nikolaos Kidonakis (Mon,) studied this question.

synapsesocial.com/papers/68f0d5eb105731330a2b1f73 https://doi.org/https://doi.org/10.48550/arxiv.2502.17631

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