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Run 1 at the LHC was very successful with the discovery of a new boson. The boson's properties are found to be compatible with those of the Standard Model Higgs boson. It is now revealing the mechanism of electroweak symmetry breaking and…

High Energy Physics - Experiment · Physics 2016-09-28 M. Slawinska

We study the impact of Higgs precision measurements at a high-energy and high-luminosity linear electron positron collider, such as CLIC or the ILC, on the parameter space of a strongly interacting Higgs boson. Some combination of anomalous…

High Energy Physics - Phenomenology · Physics 2014-02-20 Roberto Contino , Christophe Grojean , Duccio Pappadopulo , Riccardo Rattazzi , Andrea Thamm

We study direct searches of additional Higgs bosons in multi-top-quarks events at the LHC Run-II, its luminosity upgraded version with 3000 fb$^{-1}$, and the International Linear Collider (ILC) with the collision energy of 1 TeV.…

High Energy Physics - Phenomenology · Physics 2015-12-09 Shinya Kanemura , Hiroshi Yokoya , Ya-Juan Zheng

Differential Higgs boson (H) production cross sections are sensitive probes for physics beyond the standard model. New physics may contribute in the gluon-gluon fusion loop, the dominant Higgs boson production mechanism at the LHC, and…

High Energy Physics - Experiment · Physics 2019-04-17 CMS Collaboration

In this work, the neutral Higgs boson pair production is analyzed at Compact Linear Collider (CLIC) to be operating at center of mass energies $\sqrt{s}$=1400 GeV (stage 2) and $\sqrt{s}$=3000 GeV (stage 3). The Higgs bosons to be searched…

High Energy Physics - Phenomenology · Physics 2023-08-10 Majid Hashemi , Marieh Molanaei

Higgs physics at hadron colliders as the LHC is reviewed within the Standard Model (SM) and its minimal supersymmetric extension (MSSM) by summarizing the present state-of-the-art of theoretical predictions for the production cross sections…

High Energy Physics - Phenomenology · Physics 2021-03-15 Michael Spira

We study the production of the charged Higgs boson at the LHC in the left-right symmetric model. It is shown that there exists a lower bound of the cross section. We investigate that predicted cross sections of this model are generally…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dong-Won Jung , Kang Young Lee

The Circular Electron Positron Collider (CEPC) is a large-scale particle accelerator designed to collide electrons and positrons at high energies. One of the primary goals of the CEPC is to achieve high-precision measurements of the…

High Energy Physics - Experiment · Physics 2025-02-12 Xiaotian Ma , Zuofei Wu , Jinfei Wu , Yanping Huang , Gang Li , Manqi Ruan , Fábio L. Alves , Shan Jin , Ligang Shao

We investigate the prospects of determining the CP nature of the 126 GeV neutral spin-0 (Higgs) boson h, discovered at the LHC, at a future linear collider. We consider the production of h by the Higgsstrahlung process and its subsequent…

High Energy Physics - Phenomenology · Physics 2013-12-11 Stefan Berge , Werner Bernreuther , Hubert Spiesberger

The production of pairs of Higgs bosons at hadron colliders provides unique information on the Higgs sector and on the mechanism underlying electroweak symmetry breaking (EWSB). Most studies have concentrated on the gluon fusion production…

High Energy Physics - Phenomenology · Physics 2017-11-30 Fady Bishara , Roberto Contino , Juan Rojo

The LHC may be currently seeing the first hints of the Higgs boson. The dominant production mode for the Higgs at the LHC involves a top-quark loop. An accurate measurement of Higgs production cross-sections and decay widths can thus be…

High Energy Physics - Phenomenology · Physics 2012-11-28 Debajyoti Choudhury , Pratishruti Saha

A SM-like Higgs boson can be produced in a variety of channels at the LHC. By combining information from production via gluon fusion and weak boson fusion, various partial widths and the total Higgs boson width can be extracted. Expected…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Zeppenfeld

The present knowledge on the Higgs-like boson discovered at the LHC is summarized. The data accumulated so far are consistent with the Standard Model predictions and put interesting constraints on alternative scenarios of electroweak…

High Energy Physics - Phenomenology · Physics 2015-06-16 Antonio Pich

In this paper I review the calculations (and partially simulations and theoretical studies) that have been made and published during the last two to three years focusing on the electroweak symmetry breaking sector and the Higgs boson(s)…

High Energy Physics - Phenomenology · Physics 2012-01-24 Juergen Reuter

Triple Higgs boson production (3H) may provide essential information to reconstruct the Higgs potential. We consider 3H-production in the International Linear Collider (ILC) both in the Minimal Supersymmetric Standard Model (MSSM) and in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Giancarlo Ferrera , Jaume Guasch , David Lopez-Val , Joan Sola

The imperfect knowledge of the Higgs boson decay rates and cross sections at the LHC constitutes a critical systematic uncertainty in the study of the Higgs boson properties. We show that the full covariance matrix between the Higgs rates…

High Energy Physics - Phenomenology · Physics 2016-12-21 Alexandre Arbey , Sylvain Fichet , Farvah Mahmoudi , Grégory Moreau

New theoretical and experimental information motivates a re-examination of the Standard Model Higgs production rates at the LHC pp collider. We present calculations of the relevant cross sections and branching ratios, including recently…

High Energy Physics - Phenomenology · Physics 2008-02-03 Z. Kunszt , S. Moretti , W. J. Stirling

The Higgs boson will be subject of intense experimental searches in future high-energy experiments. In addition to the effort made at the Large Hadron Collider, where it was discovered, it will be the major subject of study at the…

Popular Physics · Physics 2014-07-09 Francesca Borzumati , Eriko Kato

We study direct searches of additional Higgs bosons in multi-top-quarks events at the LHC with the collision energy of 14 TeV as well as the International Linear Collider (ILC) with the collision energy of 1 TeV. As a benchmark model, we…

High Energy Physics - Phenomenology · Physics 2015-05-20 Hiroshi Yokoya

The Higgs boson may decay predominantly into a hidden sector, producing lepton jets instead of the standard Higgs signatures. We propose a search strategy for such a signal at hadron colliders. A promising channel is the associated…

High Energy Physics - Phenomenology · Physics 2010-12-28 Adam Falkowski , Joshua T. Ruderman , Tomer Volansky , Jure Zupan