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The reactions p\bar{p}/pp -> t\bar{t}H+X represent important channels in the search for the Standard Model Higgs boson at the Tevatron and the LHC. In the leading perturbative order the cross sections suffer from severe (renormalization and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Dittmaier

We present new results from studies in progress on physics at a two-photon collider. We report on the sensitivity to top squark parameters of MSSM Higgs boson production in two-photon collisions; Higgs boson decay to two photons; radion…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Asner , B. Grzadkowski , J. F. Gunion , H. E. Logan , V. Martin , M. Schmitt , M. M. Velasco

New preliminary combined results from the LEP experiments on searches for the Higgs boson beyond the Standard Model are presented. The new determination of the top quark mass at the Tevatron in 2004 influences the interpretations of the LEP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andre Sopczak

In this talk the Higgs boson effects in electroweak precision observables are reviewed and the possibility of indirect information on the Higgs mass from electroweak radiative corrections and precision data is discussed.

High Energy Physics - Phenomenology · Physics 2008-02-03 W. Hollik

To understand the possibility for precision Higgs boson coupling measurements to access effects of very heavy new particles, I present five scenarios in which significant deviations in Higgs boson couplings are produced by new particles…

High Energy Physics - Phenomenology · Physics 2022-10-05 Michael E. Peskin

The completion of the Standard Model of particle physics by the discovery of a light Higgs boson at the LHC in 2012 triggered the debate about the best way forward to discover physics beyond the Standard Model. At the eve of the update of…

Accelerator Physics · Physics 2022-09-21 Roman Pöschl

The presence of extra scalar singlets is a feature of several motivated extensions of the Standard Model, and the mixing of such a singlet with the Higgs boson is allowed to be quite large by current experiments. In this paper we perform a…

High Energy Physics - Phenomenology · Physics 2016-01-20 Dario Buttazzo , Filippo Sala , Andrea Tesi

Selected applications of perturbative Quantumchromodynamics (QCD) to predictions of the Standard Model for processes at high energy colliders are reviewed with emphasis on past successes and future problems. This is a personal retrospective…

High Energy Physics - Phenomenology · Physics 2008-11-26 Richard J. Gonsalves

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

At a future linear collider, a polarized electron beam will play an important role in interpreting new physics signals. Backgrounds to a new physics reaction can be reduced by choice of the electron polarization state. The origin of a new…

High Energy Physics - Experiment · Physics 2015-06-25 M. Woods

I review the physics of the Higgs sector in the Standard Model and its minimal supersymmetric extension, the MSSM. I will discuss the prospects for discovering the Higgs particles at the upgraded Tevatron, at the Large Hadron Collider, and…

High Energy Physics - Phenomenology · Physics 2016-09-06 Abdelhak Djouadi

Higgs factories will be able to measure Higgs properties, and in particular Higgs couplings with high precision. In a follow-up to an earlier analysis we study the impact of the Higgs-strahlung and vector boson fusion processes on the…

High Energy Physics - Phenomenology · Physics 2017-11-08 Remi Lafaye , Tilman Plehn , Michael Rauch , Dirk Zerwas

We compute the cross section and differential distributions for the production of a Standard Model Higgs boson in association with a hadronic jet to next-to-next-to-leading order in quantum chromodynamics (QCD). In Higgs boson studies at…

High Energy Physics - Phenomenology · Physics 2015-06-22 X. Chen , T. Gehrmann , E. W. N. Glover , M. Jaquier

A central objective of future collider experiments is to probe the structure of the Higgs potential, which requires access to trilinear scalar couplings, in particular the self-coupling of the observed Higgs boson. While this coupling is…

High Energy Physics - Phenomenology · Physics 2026-03-31 Henning Bahl , Johannes Braathen , Martin Gabelmann , Kateryna Radchenko , Georg Weiglein

The theoretical status of Higgs boson and supersymmetric particle production at hadron colliders is reviewed with particular emphasis on recent results and open problems.

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Spira

Recent progress in the calculation of radiative corrections and in Monte Carlo event generation, relevant for a future e+e- linear collider, is reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Dittmaier

This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for…

The International Linear Collider is now proposed with a staged machine design, with the first stage at 250 GeV with a luminosity goal of 2 ab-1. In this paper, we review the physics expectations for this machine. These include precision…

Almost all extensions of the Standard Model predict the existence of charged Higgs bosons. This talk focuses on the minimal supersymmetric extension of the Standard Model (MSSM), which is relatively predictive. The outlook for detecting…

High Energy Physics - Phenomenology · Physics 2011-01-27 John Ellis