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Related papers: Higgs Couplings without the Higgs

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The measurement of the Higgs coupling to W bosons is an important program at the international linear collider (ILC) to search for the anomaly in the coupling to the gauge bosons. We study the sensitivity of ILC to the Higgs anomalous…

High Energy Physics - Phenomenology · Physics 2010-06-18 Yosuke Takubo , Katsumasa Ikematsu , Nobuchika Okada , Robert N. Hodgkinson , Keisuke Fujii

The process of gluon-initiated double Higgs production is sensitive to non-linear interactions of the Higgs boson. In the context of the Standard Model, studies of this process focused on the extraction of the Higgs trilinear coupling. In a…

High Energy Physics - Phenomenology · Physics 2015-06-05 Roberto Contino , Margherita Ghezzi , Mauro Moretti , Giuliano Panico , Fulvio Piccinini , Andrea Wulzer

Based on Run I data we present a comprehensive analysis of Higgs couplings. For the first time this SFitter analysis includes independent tests of the Higgs-gluon and top Yukawa couplings, Higgs decays to invisible particles, and off-shell…

High Energy Physics - Phenomenology · Physics 2015-05-27 Tyler Corbett , Oscar J. P. Eboli , Dorival Goncalves , J. Gonzalez-Fraile , Tilman Plehn , Michael Rauch

We explore the room for possible deviations from the Standard Model (SM) Higgs boson coupling structure in a systematic study of Higgs coupling scale factor benchmark scenarios using the latest signal rate measurements from the Tevatron and…

High Energy Physics - Phenomenology · Physics 2014-11-21 Philip Bechtle , Sven Heinemeyer , Oscar Stål , Tim Stefaniak , Georg Weiglein

Discovering a Higgs boson at the LHC will address a major outstanding issue in particle physics but will also raise many new questions. A concerted effort to determine the couplings of this new state to other Standard Model fields will be…

High Energy Physics - Phenomenology · Physics 2015-06-04 Aleksandr Azatov , Roberto Contino , Daniele Del Re , Jamison Galloway , Marco Grassi , Shahram Rahatlou

The study of the Higgs boson properties offers compelling perspectives for testing the effects of physics beyond the Standard Model and has deep implications for the LHC program and future colliders. Accurate determinations of the Higgs…

High Energy Physics - Phenomenology · Physics 2022-09-08 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muhlleitner , M. Spira

An interesting question is how present and future experiments will be able to probe the couplings of the Higgs boson and its intrinsic width at a high level of precision. There is a wide variety of beyond the Standard Model (BSM) theories…

High Energy Physics - Phenomenology · Physics 2014-05-09 Margherita Ghezzi , Giampiero Passarino , Sandro Uccirati

We present a detailed analysis of the rare exclusive Higgs-boson decays into a single vector meson and a photon and investigate the possibility of using these processes to probe the light-quark Yukawa couplings. We work with an effective…

High Energy Physics - Phenomenology · Physics 2016-03-30 Matthias Koenig , Matthias Neubert

If the recently discovered Higgs boson's couplings deviate from the Standard Model expectation, we may anticipate new resonant physics in the weak boson fusion channels resulting from high scale unitarity sum rules of longitudinal gauge…

High Energy Physics - Phenomenology · Physics 2015-07-17 Christoph Englert , Philip Harris , Michael Spannowsky , Michihisa Takeuchi

The $2\rightarrow 3$ scattering of longitudinal vector bosons (VBS) has been proven to be a complementary channel to measure the Higgs self-couplings in the Standard Model (SM) and the SM effective field theory (SMEFT) at colliders. We…

High Energy Physics - Phenomenology · Physics 2022-04-06 Junmou Chen , Tong Li , Chih-Ting Lu , Yongcheng Wu , Chang-Yuan Yao

We discuss the strength of the trilinear Higgs boson coupling in technicolor (or composite) models in a model independent way. The coupling is determined as a function of a very general ansatz for the technicolor self-energy, and turns out…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Doff , A. A. Natale

The possibility of having relatively large non-decoupling effects of the heavy Higgs particles within the two-Higgs doublet extension of the electroweak standard model is briefly discussed and demonstrated on an example of the one-loop…

High Energy Physics - Phenomenology · Physics 2015-06-25 Michal Malinsky

Run I of the LHC has not revealed any sign of new physics beyond the Standard Model (BSM). However, the discovery of an SM-like Higgs boson with mass around 125 GeV opens up new possibilities for probing various BSM scenarios with enlarged…

High Energy Physics - Phenomenology · Physics 2014-07-03 Beranger Dumont

Indirect constraints on the total Higgs width $\Gamma_h$ from correlating Higgs signal strengths with cross section measurements in the off-shell region for $p(g)p(g)\to 4\ell$ production have received considerable attention recently, and…

High Energy Physics - Phenomenology · Physics 2014-09-10 Christoph Englert , Michael Spannowsky

The measurement of the Higgs boson width is a critical test of the Standard Model, with significant implications for understanding electroweak symmetry breaking. Direct measurements are limited by detector resolution, but it can be measured…

High Energy Physics - Phenomenology · Physics 2025-09-10 Rafael Coelho Lopes de Sá , Martina Javurkova , Matteo Lazzeretti , Raoul Röntsch

We discuss a possibility that the parameter space of the two Higgs doublet model is significantly narrowed down by considering the synergy between direct searches for additional Higgs bosons at the LHC and its luminosity upgraded operation…

High Energy Physics - Phenomenology · Physics 2021-04-07 Masashi Aiko , Shinya Kanemura , Mariko Kikuchi , Kentarou Mawatari , Kodai Sakurai , Kei Yagyu

The discovery of a Higgs boson by the experiments at the LHC marks a major breakthrough in particle physics, with far-reaching consequences for our understanding of the fundamental principles of our Universe. To fully explore this unique…

High Energy Physics - Experiment · Physics 2014-01-28 Frank Simon

For an intermediate mass Higgs boson with SM-like couplings the LHC allows observation of a variety of decay channels in production by gluon fusion and weak boson fusion. Cross section ratios provide measurements of various ratios of Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Zeppenfeld , R. Kinnunen , A. Nikitenko , E. Richter-Was

We review the effects of new effective interactions on the Higgs boson phenomenology. New physics in the electroweak bosonic sector is expected to induce additional interactions between the Higgs doublet field and the electroweak gauge…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Gonzalez-Garcia

In this talk, I discuss theoretical advances in understanding the properties of the Higgs boson and the implications for models of electroweak symmetry breaking. I begin by reviewing some of the recent progress in Standard Model…

High Energy Physics - Phenomenology · Physics 2015-11-13 S. Dawson
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