Two-loop corrections to the triple Higgs boson production cross section

被引：0
|
作者：
Daniel de Florian
Javier Mazzitelli
机构：
[1] International Center for Advanced Studies (ICAS),Physik
[2] ECyT-UNSAM,Institut
[3] Campus Miguelete,undefined
[4] Universität Zürich,undefined
来源：
Journal of High Energy Physics | / 2017卷
关键词：
QCD Phenomenology; NLO Computations;
D O I：
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学科分类号：
摘要：
In this paper we compute the QCD corrections for the triple Higgs boson production cross section via gluon fusion, within the heavy-top approximation. We present, for the first time, analytical results for the next-to-leading order corrections, and also compute the soft and virtual contributions of the next-to-next-to-leading order cross section. We provide predictions for the total cross section and the triple Higgs invariant mass distribution. We find that the QCD corrections are large at both perturbative orders, and that the scale uncertainty is substantially reduced when the second order perturbative corrections are included.
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