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NLO QCD corrections to H, W and Z production via vector boson fusion have recently been calculated in the form of flexible parton level Monte Carlo programs. This allows for the calculation of distributions and cross sections with cuts at…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Figy , C. Oleari , D. Zeppenfeld

We compare vector boson fusion and quark antiquark annihilation production of vector boson pairs at the LHC and include the effects of anomalous couplings. Results are given for confidence intervals for anomalous couplings at the LHC…

High Energy Physics - Phenomenology · Physics 2011-09-13 I. Kuss , E. Nuss

We compute the QCD corrections at next-to-leading order for the process $gg \rightarrow ZH$, including both the virtual two-loop terms and real-emission contributions. The two-loop box diagrams in the virtual corrections are approximated…

High Energy Physics - Phenomenology · Physics 2022-08-24 Giuseppe Degrassi , Ramona Gröber , Marco Vitti , Xiaoran Zhao

We present the first fully differential next-to-next-to-leading order (NNLO) QCD calculation for the production of a top-antitop quark pair in association with a Higgs boson ($t \bar t H$) at hadron colliders. The computation is exact,…

High Energy Physics - Phenomenology · Physics 2025-03-27 Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Chiara Savoini

We present the calculation of the NLO QCD corrections to the associated production of a Higgs boson and two jets, in the infinite top-mass limit. We discuss the technical details of the computation and we show the numerical impact of the…

High Energy Physics - Phenomenology · Physics 2013-05-28 H. van Deurzen , N. Greiner , G. Luisoni , P. Mastrolia , E. Mirabella , G. Ossola , T. Peraro , J. F. von Soden-Fraunhofen , F. Tramontano

Measuring the polarization of electroweak bosons at the LHC allows for important tests of the electroweak-symmetry-breaking mechanism that is realized in nature. Therefore, precise Standard Model predictions are needed for the production of…

High Energy Physics - Phenomenology · Physics 2021-11-03 Ansgar Denner , Giovanni Pelliccioli

We analyze the potential of the CERN Large Hadron Collider (LHC) to study the structure of quartic vector-boson interactions through the pair production of electroweak gauge bosons via weak boson fusion q q -> q q W W. In order to study…

High Energy Physics - Phenomenology · Physics 2008-11-26 O. J. P. Eboli , M. C. Gonzalez-Garcia , J. K. Mizukoshi

We consider the next-to-leading order QCD corrections to Higgs boson pair production, using our recent calculation of the form factors in the high-energy limit. We compute the virtual corrections to the partonic cross section, applying…

High Energy Physics - Phenomenology · Physics 2020-01-08 Joshua Davies , Gudrun Heinrich , Stephen P. Jones , Matthias Kerner , Go Mishima , Matthias Steinhauser , David Wellmann

We present the two-loop virtual amplitudes for heavy-quark pair production in light quark-antiquark annihilation and gluon fusion channels, including full spin and color dependence. We use expansions around kinematical limits and numerical…

High Energy Physics - Phenomenology · Physics 2018-04-18 L. Chen , M. Czakon , R. Poncelet

We compute the production cross section of a pair of Standard Model Higgs bosons at the LHC at next-to-leading order in QCD, including corrections in inverse powers of the top quark mass. We calculate these power corrections through ${\cal…

High Energy Physics - Phenomenology · Physics 2015-06-16 Jonathan Grigo , Jens Hoff , Kirill Melnikov , Matthias Steinhauser

Neutral Higgs-boson pair production provides the possibility of studying the trilinear Higgs couplings at future high-energy colliders. We present the QCD corrections to the gluon-initiated processes in the limit of a heavy top quark in the…

High Energy Physics - Phenomenology · Physics 2011-01-13 S. Dawson , S. Dittmaier , M. Spira

We compute the O(alpha_s^2) QCD corrections to the fully differential cross-section pp \to W X \to l \nu X, retaining all effects from spin correlations. The knowledge of these corrections makes it possible to calculate with high precision…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kirill Melnikov , Frank Petriello

We compute the two-loop massless QCD corrections to the amplitude of Higgs boson decay to bottom quark pair and a gluon ($H \rightarrow b + \bar{b} + g$) in the higher powers of the dimensional regularization parameter $\epsilon$. The…

High Energy Physics - Phenomenology · Physics 2026-05-28 Pulak Banerjee , Chinmoy Dey , M. C. Kumar , Vaibhav Pandey , V. Ravindran

Electroweak gauge boson pair production is a very important process at the LHC as it probes the non-abelian structure of electroweak interactions and is a background process for many searches. We present full next-to-leading order…

High Energy Physics - Phenomenology · Physics 2013-10-16 Julien Baglio , Le Duc Ninh , Marcus M. Weber

The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of higher-order electroweak effects in the analysis of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Stefan Gieseke , Tobias Kasprzik , Johann H. Kühn

We present a calculation of the next-to-leading order QCD corrections to the production of Higgs boson pairs in gluon fusion keeping the full dependence on the mass of the top quark. The virtual corrections, involving two-loop integrals…

High Energy Physics - Phenomenology · Physics 2016-11-10 Matthias Kerner

The pair production of a $W$ and a $Z$ boson at the LHC is an important process to study the triple-gauge boson couplings as well as to probe new physics that could arise in the gauge sector. In particular the leptonic channel $p p \to…

High Energy Physics - Phenomenology · Physics 2019-05-13 Julien Baglio , Le Duc Ninh

In these proceedings, we report recent progress of theoretical predictions for loop-induced Higgs boson production at the Large Hadron Collider (LHC). Our contributions include the next-to-leading order (NLO) QCD and electroweak corrections…

High Energy Physics - Phenomenology · Physics 2025-04-15 Hantian Zhang

In this talk we present the first calculation of next-to-leading-order QCD corrections for the production of $W^+W^-$ pairs in association with three jets at the LHC. We show the observed improvement in the dependence of total and…

High Energy Physics - Phenomenology · Physics 2016-07-05 Fernando Febres Cordero , Harald Ita

We present a leading colour computation of the double virtual contributions to top-quark pair production in association with a jet at a hadron collider at next-to-next-to-leading order in QCD. The finite remainders of the two-loop…

High Energy Physics - Phenomenology · Physics 2026-05-15 Simon Badger , Matteo Becchetti , Colomba Brancaccio , Michał Czakon , Heribertus Bayu Hartanto , Rene Poncelet , Simone Zoia