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We present the two first terms in the threshold expansion of Higgs production partonic cross-sections at hadron colliders for processes with three partons in the final state. These are contributions to the inclusive Higgs cross-section in…

High Energy Physics - Phenomenology · Physics 2015-06-15 Charalampos Anastasiou , Claude Duhr , Falko Dulat , Bernhard Mistlberger

We discuss methods for the calculation of the total partonic Higgs boson production cross section via gluon fusion and the result for the contribution that stems from two quarks of different flavor in the initial state. Our calculation is…

High Energy Physics - Phenomenology · Physics 2015-10-12 Jens Hoff

The single-logarithmic enhancement of the physical kernel for Higgs production by gluon-gluon fusion in the heavy top-quark limit is employed to derive the leading so far unknown contributions, ln^{5,4,3}(1-z), to the N^3LO coefficient…

High Energy Physics - Phenomenology · Physics 2015-06-22 D. de Florian , J. Mazzitelli , S. Moch , A. Vogt

We present the computation of Higgs boson production in association with a jet at the LHC including QCD corrections up to NNLO. The calculation includes the subsequent decay of the Higgs boson into four leptons, allowing for the full…

High Energy Physics - Phenomenology · Physics 2020-03-11 Xuan Chen , Thomas Gehrmann , Nigel Glover , Alexander Huss

A computation of inclusive cross sections for neutral Higgs boson production through gluon fusion and bottom-quark annihilation is presented in the MSSM with complex parameters. The predictions for the gluon-fusion process are based on an…

High Energy Physics - Phenomenology · Physics 2017-11-07 Stefan Liebler , Shruti Patel , Georg Weiglein

We present updated predictions for the total cross section for Higgs boson production by gluon--gluon fusion in hadron collisions. Our calculation includes the most advanced theoretical information available at present for this observable:…

High Energy Physics - Phenomenology · Physics 2009-11-19 D. de Florian , M. Grazzini

We compute the leading logarithmic behaviour of the cross-section for the production of a pseudoscalar Higgs boson in gluon-gluon fusion to all-orders in perturbation theory, in the limit of large partonic centre of mass energy. We also…

High Energy Physics - Phenomenology · Physics 2011-04-05 Fabrizio Caola , Simone Marzani

We calculate differential cross sections for Higgs boson and/or two-photon production from intermediate (virtual) Higgs boson within the formalism of $k_t$-factorization. The off-shell $g^* g^* \to H$ matrix elements are used. We compare…

High Energy Physics - Phenomenology · Physics 2014-11-26 Antoni Szczurek , Marta Luszczak , Rafal Maciula

The cross section through gluon fusion is calculated for the production of the light neutral Higgs boson through next-to-leading order QCD within the Minimal Supersymmetric Standard Model. The quark-mediated contributions are taken into…

High Energy Physics - Phenomenology · Physics 2011-12-06 Robert V. Harlander , Franziska Hofmann , Hendrik Mantler

We report on the calculation of the cross section for Higgs boson production in association with three jets via gluon fusion, at next-to-leading-order (NLO) accuracy in QCD, in the infinite top-mass approximation. After including the…

High Energy Physics - Phenomenology · Physics 2013-10-02 G. Cullen , H. van Deurzen , N. Greiner , G. Luisoni , P. Mastrolia , E. Mirabella , G. Ossola , T. Peraro , F. Tramontano

We calculated a differential cross section of the Higgs boson production in the $h\to ZZ^*\to 4\ell$ decay channel within the framework of $k_T$-factorization. Results are obtained using an off-shell matrix element for the $g^*g^*\to h\to…

High Energy Physics - Phenomenology · Physics 2019-03-05 Rashidul Islam , Mukesh Kumar , Vaibhav S. Rawoot

In this paper, we present the computation of the Higgs boson pair production cross section, both inclusive as well as differential on the invariant mass distribution, at next-to-next-to-leading order (NNLO) in QCD including effects of new…

High Energy Physics - Phenomenology · Physics 2017-12-04 Daniel de Florian , Ignacio Fabre , Javier Mazzitelli

We present predictions for the inclusive cross section for Higgs boson production by gluon--gluon fusion in proton collisions at $\sqrt{s}=8$ TeV. Our calculation is accurate up to next-to-next-to-leading order in QCD perturbation theory…

High Energy Physics - Phenomenology · Physics 2015-06-05 D. de Florian , M. Grazzini

The single and central diffractive production of the Standard Model Higgs boson is computed using the diffractive factorization formalism, taking into account a parametrization for the Pomeron structure function provided by the H1…

High Energy Physics - Phenomenology · Physics 2015-05-27 M. B. Gay Ducati , M. M. Machado , G. G. Silveira

We calculate the fully differential next-to-next-to-leading-order (NNLO) corrections to vector-boson fusion (VBF) Higgs production at proton colliders, in the limit in which there is no cross-talk between the hadronic systems associated…

High Energy Physics - Phenomenology · Physics 2018-02-22 Matteo Cacciari , Frédéric A. Dreyer , Alexander Karlberg , Gavin P. Salam , Giulia Zanderighi

Higgs-pair production via gluon fusion is the dominant production mechanism of Higgs-boson pairs at hadron colliders. In this work, we present details of our numerical determination of the full next-to-leading-order (NLO) QCD corrections to…

High Energy Physics - Phenomenology · Physics 2020-05-01 J. Baglio , F. Campanario , S. Glaus , M. M. Muhlleitner , J. Ronca , M. Spira , J. Streicher

We present the computation of the contributions to N3LO inclusive Higgs boson production due to two-loop amplitudes. Our result is a Laurent expansion in the dimensional regulator, with coefficients that are linear combinations of harmonic…

High Energy Physics - Phenomenology · Physics 2014-11-14 Falko Dulat , Bernhard Mistlberger

We propose a new method to calculate analytically higher-order perturbative corrections and we apply it to the calculation of the two-loop virtual corrections to Higgs pair production through gluon fusion. The method is based on the…

High Energy Physics - Phenomenology · Physics 2018-11-26 Roberto Bonciani , Giuseppe Degrassi , Pier Paolo Giardino , Ramona Gröber

We present a first computation of the NNLO QCD cross section at the LHC for the production of four leptons from a Higgs boson decaying into W bosons. We study the cross section for a Higgs boson mass Mh = 165 GeV; around this value a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Charalampos Anastasiou , Guenther Dissertori , Fabian Stoeckli

We present the total cross sections at next-to-next-to-leading order (NNLO) in the strong coupling for single and double charged Higgs production via weak boson fusion. Results are obtained via the structure function approach, which builds…

High Energy Physics - Phenomenology · Physics 2011-10-06 Marco Zaro , Paolo Bolzoni , Fabio Maltoni , Sven-Olaf Moch