Near-threshold production of heavy quarks with QQbar_threshold
M. Beneke, Y. Kiyo, A. Maier, J. Piclum
TL;DR
The paper introduces the QQbar_threshold library, a computational tool that accurately predicts heavy quark-antiquark production near threshold at electron-positron colliders, incorporating comprehensive quantum corrections.
Contribution
It provides a new, comprehensive software library that combines various quantum corrections for precise near-threshold heavy quark production predictions.
Findings
Accurate cross section calculations near threshold
Inclusion of QCD, electroweak, Higgs, and nonresonant corrections
Applicable to electron-positron collider experiments
Abstract
We describe the QQbar_threshold library for computing the production cross section of heavy quark-antiquark pairs near threshold at electron-positron colliders. The prediction includes all presently known QCD, electroweak, Higgs, and nonresonant corrections in the combined nonrelativistic and weak-coupling expansion.
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