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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

The plan for the International Linear Collider is now being prepared as a staged design, with the first stage at 250 GeV and later stages achieving the full project specifications with 4 ab-1 at 500 GeV. This talk will present the…

High Energy Physics - Experiment · Physics 2017-10-03 Jan Strube

The search and study of heavy Higgs bosons is an important part of the anticipated physics program of a high energy e+e- linear collider. This paper reviews the expected sensitivity of e+e- collisions from 0.5 up to 3 TeV in the study of…

High Energy Physics - Experiment · Physics 2015-03-18 Marco Battaglia

Considering the constraints from the flavor physics, precision electroweak measurements, Higgs data and dark matter detections, we scan over the parameter space of the MSSM and calculate the cross section of $e^+e^- \to h \gamma$ in the…

High Energy Physics - Phenomenology · Physics 2014-09-26 Song Lin Hu , Ning Liu , Jie Ren , Lei Wu

The problems of the origin of mass and of electro-weak symmetry breaking are central to the programme of research in particle physics, at present and in the coming decades. This paper reviews the potential of high energy, high luminosity…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Battaglia

High precision experimental measurements of the properties of the Higgs boson at $\sim$ 125 GeV as well as electroweak precision observables such as the W -boson mass or the effective weak leptonic mixing angle are expected at future…

High Energy Physics - Phenomenology · Physics 2021-06-25 Sven Heinemeyer , Stanislaw Jadach , Jürgen Reuter

We investigate what can be learned at a linear collider about the sector of electroweak symmetry breaking from a precise measurement of the Higgs boson production cross section through the process e+e- -> hZ. We focus on deviations from the…

High Energy Physics - Phenomenology · Physics 2009-11-20 S. Dawson , S. Heinemeyer

Feasibility of the measurement of the trilinear self-couplings of the Higgs boson is studied. Such a measurement would experimentally determine the structure of the Higgs potential. Full hadronic and semi-leptonic final states of the…

High Energy Physics - Experiment · Physics 2007-05-23 C. Castanier , P. Gay , P. Lutz , J. Orloff

A measurement of the mass of the Higgs boson combining the $H\to ZZ^{*} \to 4\ell$ and $H\to\gamma\gamma$ decay channels is presented. The result is based on 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS detector…

High Energy Physics - Experiment · Physics 2024-01-23 The ATLAS Collaboration

A detailed description is reported of the analysis used by the CMS Collaboration in the search for the standard model Higgs boson in pp collisions at the LHC, which led to the observation of a new boson. The data sample corresponds to…

High Energy Physics - Experiment · Physics 2013-07-05 CMS Collaboration

In the two loop approximation, a renormalization group analysis of the Higgs boson mass is performed based on the condition $g^2=(5/3)g'^2=4\lambda$ for SU(2)_L, U(1)_Y gauge and the Higgs quartic coupling constants, respectively. This…

High Energy Physics - Phenomenology · Physics 2011-09-13 Yoshitaka Okumura

The LHC Run-1 was very successful and included the discovery of a new particle with mass of about 125 GeV compatible with the Higgs boson predicted by the Standard Model. The prospects for Higgs physics at the high-luminosity LHC and at…

High Energy Physics - Experiment · Physics 2015-09-30 Flavia de Almeida Dias

The loop induced coupling of an intermediate mass Higgs boson to two photons is a sensitive and unique measure for precision tests of physics beyond the Standard Model. In this work we summarize recent results on the expected precision of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michael Melles

We present the potential for discovering the Standard Model Higgs boson produced by the vector-boson fusion mechanism. We considered the decay of Higgs bosons into the W+W- final state, with both W-bosons subsequently decaying leptonically.…

High Energy Physics - Experiment · Physics 2008-11-26 E. Yazgan , J. Damgov , N. Akchurin , V. Genchev , D. Green , S. Kunori , M. Schmitt , W. Wu , M. T. Zeyrek

We update the experimental constraints on the parameters of the Higgs effective Lagrangian. We combine the most recent LHC Higgs data in all available search channels with electroweak precision observables from SLC, LEP-1, LEP-2, and the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Adam Falkowski , Francesco Riva , Alfredo Urbano

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared with the expectations of Standard Model…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

The effect of the photon emission (bremsstrahlung) in the cross section of the process of direct production of the Higgs boson in the future high luminosity electron and muon colliders is calculated. It was found that cross section at the…

High Energy Physics - Phenomenology · Physics 2016-02-10 S. Jadach , R. A. Kycia

We report on studies of the $e^+e^- \to HZ$ process with the subsequent decay of the Higgs boson $H \to Z Z^\star$, where the $Z Z^\star$ combination is reconstructed in the final states with two jets and two leptons. The analysis is…

High Energy Physics - Experiment · Physics 2021-11-22 E. Antonov , A Drutskoy

The Standard Model of particle physics contains about two dozen parameters - such as particle masses - whose origins are still unknown and cannot be predicted, but whose values are constrained through their interactions. In particular, the…

High Energy Physics - Experiment · Physics 2012-08-27 D0 Collaboration

The Higgs mechanism is essential for the success of the Standard Model (SM) and can be experimentally verified with the determination of the Higgs self-coupling. As the simplest model of a Higgs potential, the SM provides a clear prediction…

High Energy Physics - Experiment · Physics 2026-03-23 Mikael Berggren , Bryan Bliewert , Jenny List , Dimitris Ntounis , Taikan Suehara , Junping Tian , Julie Munch Torndal , Caterina Vernieri