NNLO real corrections to $gg\to HH$ in the large-$m_t$ limit
Joshua Davies, Florian Herren, Go Mishima, Matthias Steinhauser
TL;DR
This paper calculates next-to-next-to-leading order (NNLO) real radiation corrections for Higgs pair production via gluon fusion, focusing on the large top quark mass limit to improve theoretical precision.
Contribution
It provides a detailed analysis of NNLO real corrections in the large-$m_t$ limit, including validation of the asymptotic expansion method.
Findings
Validated the asymptotic expansion in the large-$m_t$ limit
Enhanced the accuracy of Higgs pair production cross section calculations
Contributed to precision predictions for Higgs physics
Abstract
In this contribution we consider NNLO real radiation corrections to the total cross section for Higgs boson pair production in gluon fusion. Special emphasis is put on the cross check of the asymptotic expansion in the inverse top quark mass.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research