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Higgs boson production via gluon-gluon fusion and vector-boson fusion in proton-proton collisions is measured in the $H\rightarrow W W^* \rightarrow e\nu \mu\nu$ decay channel. The Large Hadron Collider delivered proton-proton collisions at…

High Energy Physics - Experiment · Physics 2023-09-06 ATLAS Collaboration

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

With the standard model working well in describing the collider data, the focus is now on determining the standard model parameters as well as for any hint of deviation. In particular, the determination of the couplings of the Higgs boson…

High Energy Physics - Phenomenology · Physics 2021-07-28 Pankaj Agrawal , Biswajit Das

The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a $b$-quark pair is used. The analysed data, corresponding to…

High Energy Physics - Experiment · Physics 2022-07-14 ATLAS Collaboration

A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy trace of the departure from a Standard Model (SM) Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Moretti , S. Moretti , F. Piccinini , R. Pittau , A. D. Polosa

Multiple production of Higgs particles is essential to study Higgs self-couplings at future high-energy colliders. In this paper we calculated the resonance contributions to the production of three lightest neutral supersymmetric Higgs…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Cynolter , E. Lendvai , G. Pócsik

A search for Higgs boson pair production is presented, targeting final states where one Higgs boson decays to a pair of bottom quarks and the other Higgs boson decays to two W bosons, both of which decay leptonically, to an electron or a…

High Energy Physics - Experiment · Physics 2026-04-03 CMS Collaboration

Pair production processes of neutral Higgs particles will allow us to study the trilinear Higgs couplings at future high--energy colliders. Several mechanisms give rise to multi--Higgs final states in hadron interactions. In the present…

High Energy Physics - Phenomenology · Physics 2011-05-05 T. Plehn , M. Spira , P. M. Zerwas

The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of $\sqrt{s}=$ 7, 8, and 13 TeV, corresponding to…

High Energy Physics - Experiment · Physics 2018-06-13 CMS Collaboration

The Higgs production in the two-photon fusion process is investigated where one of the photons is off-shell while the other one is on-shell. This process is realized in either electron-positron collision or electron-photon collision where…

High Energy Physics - Phenomenology · Physics 2015-06-17 Norihisa Watanabe , Yoshimasa Kurihara , Ken Sasaki , Tsuneo Uematsu

In this work we seek to compute precisely the rate at which these Higgs particles are produced as a function of the transverse momentum and the rapidity at the Large Hadron Collider. This calculation is carried out to next leading order in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christopher J. Glosser

The results obtained at the LHC for constraining the trilinear Higgs self-coupling of the detected Higgs boson at about 125 GeV, $\lambda_{hhh}$, via the Higgs pair production process have significantly improved during the last years. We…

High Energy Physics - Phenomenology · Physics 2025-08-18 S. Heinemeyer , M. Mühlleitner , K. Radchenko , G. Weiglein

This manual describes how to use the MatCHig code for matching the charged Higgs boson production processes gg->tbH+/- and gb->tH+/-. A negative term, correcting for the double-counting between these processes, is implemented as an external…

High Energy Physics - Phenomenology · Physics 2007-05-23 Johan Alwall

Gluon fusion is the main production mechanism for Higgs bosons with masses up to several hundred GeV in $pp$ collisions at the CERN Large Hadron Collider. We investigate the effects of the CP-violating phases on the fusion process including…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Y. Choi , Jae Sik Lee

Gluon-initiated double Higgs production is the most important channel to extract the Higgs self-coupling at hadron colliders. However, new physics could enter into this channel in several distinctive ways including, but not limited to, the…

High Energy Physics - Phenomenology · Physics 2015-06-19 Chuan-Ren Chen , Ian Low

A search for the nonresonant production of Higgs boson pairs (HH) via gluon-gluon and vector boson fusion processes in final states with two bottom quarks and two tau leptons is presented. The search uses data from proton-proton collisions…

High Energy Physics - Experiment · Physics 2023-05-31 CMS Collaboration

We present updated predictions for the total cross section for Higgs boson production through gluon fusion at hadron colliders. In addition to renormalization-group improvement at next-to-next-to-next-to-leading logarithmic accuracy, we…

High Energy Physics - Phenomenology · Physics 2011-04-05 Valentin Ahrens , Thomas Becher , Matthias Neubert , Li Lin Yang

Higgs pair production is studied in the extension of the Standard Model by color octet scalar and vector particles in TeV mass range for the LHC. The relevant parameters are their masses and portal couplings to the Higgs boson.The rate is…

High Energy Physics - Phenomenology · Physics 2015-05-01 Tsedenbaljir Enkhbat

We present a detailed phenomenological analysis of the production of a Standard Model Higgs boson in association with up to three jets. The Higgs is produced via gluon fusion, which is an irreducible background to the vector boson fusion…

High Energy Physics - Phenomenology · Physics 2016-01-15 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter , Valery Yundin

An important task of the LHC is the investigation of the Higgs-boson sector. Of particular interest is the reconstruction of the Higgs potential, i.e. the measurement of the Higgs self-couplings. Based on previous analyses, within the 2HDMs…

High Energy Physics - Phenomenology · Physics 2022-12-22 F. Arco , S. Heinemeyer , M. Mühlleitner , K. Radchenko