English
Related papers

Related papers: Focus topics for the ECFA study on Higgs / Top / E…

200 papers

We present an introduction to the basic concepts of electroweak symmetry breaking and Higgs physics within the Standard Model and its supersymmetric extensions. A brief overview will also be given on alternative mechanisms of electroweak…

High Energy Physics - Phenomenology · Physics 2007-12-17 M. Gomez-Bock , M. Mondragón , M. Mühlleitner , M. Spira , P. M. Zerwas

Some highlights of the physics case for running an $e^+e^-$ collider at 500 GeV and above are discussed with a particular emphasis on the experimental access to the Higgs potential via di-Higgs and (at sufficiently high energy) triple Higgs…

High Energy Physics - Phenomenology · Physics 2024-10-22 Philip Bechtle , Sven Heinemeyer , Jenny List , Gudrid Moortgat-Pick , Georg Weiglein

The prospects for electroweak physics at the LHC are reviewed focusing mainly on precision studies. This includes projections for measurements of the effective Z pole weak mixing angle, of top quark, W boson, and Higgs scalar properties,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler

The study of the top quark properties will be an integral part of any particle physics activity at future leptonic colliders. In this proceeding we discuss the possibility of testing composite Higgs scenarios at $e^+e^-$ prototypes through…

High Energy Physics - Phenomenology · Physics 2017-05-11 D. Barducci , S. De Curtis , S. Moretti , G. M. Pruna

The physics program of the Higgs factory will focus on measurements of the 125 GeV Higgs boson, with the Higgs-strahlung process being the dominant production channel at 250 GeV. However, similar production of exotic light scalars, in a…

High Energy Physics - Experiment · Physics 2026-04-27 Bartłomiej Brudnowski , Kamil Zembaczyński , Aleksander Filip Żarnecki

This is a brief review of the theoretical status of Higgs production at the LHC in the Standard Model, with an emphasis on the recent developments and computations. In particular, I focus on both inclusive and differential cross sections…

High Energy Physics - Phenomenology · Physics 2016-01-20 Marius Wiesemann

The electroweak symmetry-breaking sector is one of the most promising and uncharted parts of the Standard Model; but it seems likely that new electroweak physics may be out of reach of the present accelerator effort and the hope is to…

High Energy Physics - Phenomenology · Physics 2023-09-13 Raquel Gomez-Ambrosio , Felipe J. Llanes-Estrada , Alexandre Salas-Bernardez , Juan J. Sanz-Cillero

This working group report focuses on the physics potential of $\mu^+\mu^-$ colliders beyond what can be accomplished at linear $e^+e^-$ colliders and the LHC. Particularly interesting possibilities include (i)~$s$-channel resonance…

High Energy Physics - Phenomenology · Physics 2016-09-01 V. Barger , M. S. Berger , K. Fujii , J. F. Gunion , T. Han , C. Heusch , W. Hong , S. K. Oh , Z. Parsa , S. Rajpoot , R. Thun , B. Willis

An essential goal of the Higgs physics program at the LHC and beyond is to explore the nature of the Higgs potential and shed light on the mechanism of electroweak symmetry breaking. An important class of models defining the strength and…

High Energy Physics - Phenomenology · Physics 2022-03-17 Marcela Carena , Jonathan Kozaczuk , Zhen Liu , Tong Ou , Michael J. Ramsey-Musolf , Jessie Shelton , Yikun Wang , Ke-Pan Xie

We know there is new physics at the electroweak scale, but we don't know what it is. Right now, the top quark is our only window on to this physics. In almost all models of electroweak symmetry breaking, top either couples strongly to new…

High Energy Physics - Experiment · Physics 2007-05-23 John Womersley

We summarize the work done by the European working group on Higgs Particles for the Workshop ``Physics with e$^+$e$^-$ Linear Colliders", Annecy--Gran Sasso--Hamburg, Feb.--Sept. 1995. The main focus will be on the physics possibilities at…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Djouadi , W. Kilian , P. Ohmann

In these lectures I start by briefly reviewing the status of the electroweak theory, in the Standard Model and beyond. I then discuss the motivation and the possible avenues for new physics, on the brink of the LHC start.

High Energy Physics - Phenomenology · Physics 2017-08-23 Guido Altarelli

We summarise a recent study looking at top quark polarisation effects in charged Higgs boson production. Lab frame angular and energy observables relating to leptonic decays of top quarks are analysed, and corresponding asymmetry parameters…

High Energy Physics - Phenomenology · Physics 2013-01-30 R. M. Godbole , L. Hartgring , I. Niessen , C. D. White

After the discovery of the Higgs boson, understanding the nature of electroweak symmetry breaking and the associated electroweak phase transition has become the most pressing question in particle physics. Answering this question is a…

High Energy Physics - Phenomenology · Physics 2017-05-16 Peisi Huang , Andrew J. Long , Lian-Tao Wang

This paper is a summary report of the ICFA Beam Dynamics Workshop 'Accelerators for a Higgs Factory: Linear vs. Circular' (HF2012). It discusses four types of accelerators as possible candidates for a Higgs factory: linear e+e- colliders,…

Accelerator Physics · Physics 2013-02-18 Alain Blondel , Alex Chao , Weiren Chou , Jie Gao , Daniel Schulte , Kaoru Yokoya

We re-investigate electroweak signal-background interference in associated Higgs production via gluon fusion in the presence of new physics in the top-Higgs sector. Considering the full final state $pp \to b \bar b \ell^+\ell^-$…

High Energy Physics - Phenomenology · Physics 2016-06-22 Christoph Englert , Rogerio Rosenfeld , Michael Spannowsky , Alberto Tonero

Precise measurements of SM particles properties at the LHC allows to look for heavy New Physics in the context of an Effective Field Theory (EFT). These searches, however, often rely on kinematic regions where the validity of the EFT may be…

High Energy Physics - Phenomenology · Physics 2015-09-16 Martin Gorbahn , Jose Miguel No , Veronica Sanz

In the 10^th International Workshop on the CKM Unitarity Triangle, the sessions of the High-p T flavor physics were devoted to the related topics in top quark physics, Higgs physics, semileptonic decays of B mesons and leptoquark searches.…

High Energy Physics - Experiment · Physics 2019-01-15 Abideh Jafari