PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T09 Higgs Physics
Progress in two-loop electroweak corrections to π’ˆπ’ˆ β†’ 𝑯𝑯 and π’ˆπ’ˆ β†’ π’ˆπ‘―
H.Β Zhang
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Pre-published on: February 09, 2024
Published on: March 21, 2024
In these proceedings, we summarise our recent calculations of next-to-leading order electroweak corrections to Higgs boson pair and Higgs boson plus jet production. The calculations are divided into different regions. In the high-energy region, we analytically calculate the Higgs boson contribution to the leading two-loop Yukawa corrections for $gg\to HH$. These corrections are generated by a single virtual Higgs boson exchange within the top quark loop. Our high-energy expansion yields precise predictions for the region where the Higgs boson transverse momenta $p_T > 120 $ GeV. In the low-energy region, we compute the complete two-loop electroweak corrections to $gg\to HH$ and $gg \to gH$. We obtain analytic results through the large top quark mass expansion, covering all sectors of the Standard Model.
DOI: https://doi.org/10.22323/1.449.0393
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