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We study the impact of the two-loop electroweak corrections on the production of a Higgs boson via gluon-fusion in proton-proton collisions at LHC energies. We discuss the prescritpion to include the corrections to the hard scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Aglietti , R. Bonciani , G. Degrassi , A. Vicini

We compute the two-loop electroweak corrections due to the top quark to the gluon fusion production cross section of an intermediate-mass Higgs boson. This result, together with the previously known contribution due to the light fermions,…

High Energy Physics - Phenomenology · Physics 2011-01-13 Giuseppe Degrassi , Fabio Maltoni

Gluon fusion, $gg\to HH$, is the dominant Higgs-pair production process at the Large Hadron Collider (LHC) and provides the first direct access to the trilinear Higgs self-interaction. The process is loop-induced, with the main contribution…

We present the results for the complete next-to-leading order electroweak corrections to $pp \to HH$ at the Large Hadron Collider, focusing on the dominant gluon-gluon fusion process. While the corrections at the total cross-section level…

High Energy Physics - Phenomenology · Physics 2024-06-12 Huan-Yu Bi , Li-Hong Huang , Rui-Jun Huang , Yan-Qing Ma , Huai-Min Yu

The calculation of the next-to-leading order QCD corrections to the production of a neutral Higgs-boson pair is briefly summarized. The dominant production mechanism is gluon fusion via top-quark loops, so that the QCD corrections can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dawson , S. Dittmaier , M. Spira

Higgs-boson pair production at hadron colliders is dominantly mediated by the loop-induced gluon-fusion process $gg\to HH$ that is generated by heavy top loops within the Standard Model with a minor per-cent level contamination of…

High Energy Physics - Phenomenology · Physics 2022-11-23 Margarete Mühlleitner , Johannes Schlenk , Michael Spira

The radiative corrections of the strong and electroweak interactions are calculated at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at hadron colliders. Specifically, the calculation includes all…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mariano Ciccolini , Ansgar Denner , Stefan Dittmaier

We compute two-loop electroweak corrections to double Higgs boson production in gluon fusion mediated by light quarks in a fully analytical way. We determine a basis of master integrals satisfying canonical differential equations in…

High Energy Physics - Phenomenology · Physics 2025-06-03 Marco Bonetti , Philipp Rendler , William J. Torres Bobadilla

The detailed study of the Higgs boson is one of the main tasks of contemporary particle physics. Gluon fusion, the main production channel of Higgs bosons at the LHC, has been successfully modelled in QCD up to $\text{N}^3\text{LO}$. To…

High Energy Physics - Phenomenology · Physics 2022-07-25 Marco Bonetti

Radiative corrections of strong and electroweak interactions are presented at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at the LHC. The calculation includes all weak-boson fusion and quark-antiquark…

High Energy Physics - Phenomenology · Physics 2009-04-14 Mariano Ciccolini , Ansgar Denner , Stefan Dittmaier

We study one loop electroweak corrections to the production of a pair of charged Higgs bosons through an intermediate $Z$-boson or photon. In particular, we consider the effects of graphs with top and bottom quarks and squarks in the loop…

High Energy Physics - Phenomenology · Physics 2016-09-01 Marco A. Diaz , Tonnis A. ter Veldhuis

After ten years from its discovery, the Higgs boson is still under unprecedented scrutiny. A huge theoretical effort has been invested in modelling Higgs boson production through gluon fusion, reaching $\text{N}^3\text{LO}$ predictions in…

High Energy Physics - Phenomenology · Physics 2022-07-26 Marco Bonetti

We compute the 3-loop O(\alpha \alpha_s) correction to the Higgs boson production cross section arising from light quarks using an effective theory approach. Our calculation probes the factorization of QCD and electroweak perturbative…

High Energy Physics - Phenomenology · Physics 2010-01-15 Charalampos Anastasiou , Radja Boughezal , Frank Petriello

In high energy hadronic collisions, a general CP-violating Higgs boson $\Phi$ with accompanying jets can be efficiently produced via gluon fusion, which is mediated by heavy quark loops. In this letter we study the dominant sub-channel $ gg…

High Energy Physics - Phenomenology · Physics 2015-06-18 Francisco Campanario , Michael Kubocz

In high energy hadronic collisions a scalar or pseudoscalar Higgs boson, Phi=H,A, can be efficiently produced via gluon fusion, which is mediated by heavy quark loops. We here consider double real emission corrections to Phi=A production,…

High Energy Physics - Phenomenology · Physics 2015-05-20 Francisco Campanario , Michael Kubocz , Dieter Zeppenfeld

Standard-Model Higgs bosons are dominantly produced via the gluon-fusion mechanism $gg \to H$ at the LHC, i.e. in a loop-mediated process with top loops providing the dominant contribution. For the measured Higgs boson mass of $\sim 125$…

High Energy Physics - Phenomenology · Physics 2016-11-03 Michael Spira

Radiative corrections of strong and electroweak interactions are presented at next-to-leading order for the production of a Higgs boson plus two hard jets via weak interactions at the LHC. The calculation includes all weak-boson fusion and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Ciccolini , A. Denner , S. Dittmaier

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…

High Energy Physics - Phenomenology · Physics 2023-10-24 Hantian Zhang

We present results for the Yukawa-enhanced and Higgs self-coupling type electroweak corrections to di-Higgs production in gluon fusion. The calculation of the corresponding four-scale, two-loop amplitude is carried out retaining the exact…

High Energy Physics - Phenomenology · Physics 2024-11-18 Gudrun Heinrich , Stephen Jones , Matthias Kerner , Thomas Stone , Augustin Vestner

We compute analytic results for the QCD corrections to Higgs boson production via gluon fusion in hadronic collisions in the limit in which the top quark is much heavier than the Higgs boson. The first non-leading corrections of…

High Energy Physics - Phenomenology · Physics 2009-10-22 S. Dawson , R. Kauffman
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