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The Higgs boson H of the Standard Model can be searched for in the channels p pbar / pp -> t tbar H + X at the Tevatron and the LHC. The cross sections for these processes and the final-state distributions of the Higgs boson and top quarks…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Beenakker , S. Dittmaier , M. Krämer , B. Plümper , M. Spira , P. M. Zerwas

We present a phenomenological study for the production of the Higgs boson at next-to-next-to-leading order (NNLO) in QCD via the vector boson fusion (VBF) process. After a general discussion about the different production channels of the…

High Energy Physics - Phenomenology · Physics 2010-11-30 Paolo Bolzoni , Marco Zaro , Fabio Maltoni , Sven-Olaf Moch

The Higgs boson production in association with a pair of W-bosons at the Large Hadron Collider(LHC) can be used to probe the coupling between Higgs boson and vector gauge bosons and discover the signature of new physics. We describe the…

High Energy Physics - Phenomenology · Physics 2009-11-20 Song Mao , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Wang Shao-Ming , Han Liang

We present predictions for the SM-Higgs-pair production channels of relevance at the LHC: gluon-gluon fusion, VBF, and top-pair, W, Z and single-top associated production. All these results are at the NLO accuracy in QCD, and matched to…

High Energy Physics - Phenomenology · Physics 2014-05-16 R. Frederix , S. Frixione , V. Hirschi , F. Maltoni , O. Mattelaer , P. Torrielli , E. Vryonidou , M. Zaro

We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation is based on the q_T subtraction formalism and it is…

High Energy Physics - Phenomenology · Physics 2022-03-02 Leandro Cieri

We present accurate predictions for the inclusive production of a Higgs boson in proton-proton collisions, via gluon-gluon fusion. Our calculation includes next-to-next-to-leading order (NNLO) corrections in perturbative QCD, as well as the…

High Energy Physics - Phenomenology · Physics 2014-09-04 Marco Bonvini , Simone Marzani

We describe a new method, based on an extension of the unitarity cutting rules proposed earlier, which is very efficient for the algorithmic evaluation of phase-space integrals for various differential distributions. As a first application,…

High Energy Physics - Phenomenology · Physics 2010-11-15 Charalampos Anastasiou , Lance Dixon , Kirill Melnikov

This paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ channel, using 20.3 fb$^{-1}$ of proton-proton collision data.…

High Energy Physics - Experiment · Physics 2016-09-12 ATLAS Collaboration

We consider the production of a pseudo-scalar particle $A$ at the LHC, and present accurate theoretical predictions for its inclusive cross section in gluon fusion. The prediction is based on combining fixed-order perturbation theory and…

High Energy Physics - Phenomenology · Physics 2016-12-21 Taushif Ahmed , Marco Bonvini , M. C. Kumar , Prakash Mathews , Narayan Rana , V. Ravindran , Luca Rottoli

We study the production of a mixed scalar-pseudoscalar Higgs boson in gluon fusion at the LHC, through next-to-next-to-leading order (NNLO) in QCD. We obtain fully differential results, including the decay of the Higgs boson to two charged…

High Energy Physics - Phenomenology · Physics 2020-06-24 Matthieu Jaquier , Raoul Röntsch

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…

High Energy Physics - Phenomenology · Physics 2017-03-08 Daniel de Florian , Javier Mazzitelli

Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold effects are avoided working in the…

High Energy Physics - Phenomenology · Physics 2008-12-18 S. Actis , G. Passarino , C. Sturm , S. Uccirati

Understanding the Higgs potential by measuring its self-interactions is fundamental in answering several big questions, such as electroweak symmetry breaking, electroweak baryogenesis, electroweak phase transition, and electroweak vacuum…

High Energy Physics - Phenomenology · Physics 2020-11-16 Long-Bin Chen , Hai Tao Li , Hua-Sheng Shao , Jian Wang

We study master integrals needed to compute the Higgs boson production cross section via gluon fusion in the infinite top quark mass limit, using a canonical form of differential equations for master integrals, recently identified by Henn,…

High Energy Physics - Phenomenology · Physics 2015-06-22 Maik Höschele , Jens Hoff , Takahiro Ueda

We present a new numerical program, HTurbo, which provides fast and numerically precise predictions for Higgs boson production cross sections. The present version of the code implements the perturbative QCD expansion up to the…

High Energy Physics - Phenomenology · Physics 2022-06-15 Stefano Camarda , Leandro Cieri , Giancarlo Ferrera , Jesus Urtasun-Elizari

The processes involving a Higgs boson, a photon(gluon) and a fermion pair pose severe challenges to the experimental analysis. They represent rare decays and production mechanisms of the Higgs boson at LHC. However, they are not Yukawa…

High Energy Physics - Phenomenology · Physics 2015-06-16 Giampiero Passarino

We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the q_T subtraction formalism and it is…

High Energy Physics - Phenomenology · Physics 2012-09-17 Leandro Cieri

The evaluation of the top quark mass suppressed terms to the Higgs production cross section in gluon fusion at next-to-next-to-leading order is reported on. In the region below threshold, the Feynman diagrams are evaluated using asymptotic…

High Energy Physics - Phenomenology · Physics 2010-01-19 Robert Harlander , Hendrik Mantler , Simone Marzani , Kemal Ozeren

I report on a calculation of the inclusive Higgs boson production cross section at hadron colliders at next-to-next-to-leading order in QCD. The result is computed as an expansion about the threshold region. By continuing the expansion to…

High Energy Physics - Phenomenology · Physics 2009-11-07 William B. Kilgore

We present a new release of the program iHixs. This easy-to-use tool allows to derive state of the art predictions for the inclusive production cross section of a Higgs boson at hadron colliders in the gluon fusion production mode. This…

High Energy Physics - Phenomenology · Physics 2018-09-26 Falko Dulat , Achilleas Lazopoulos , Bernhard Mistlberger