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Related papers: Fundamental or Composite? The Higgs Enigma

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The cause of the screening of the weak interactions at long distances puzzled the high-energy community for more nearly half a century. With the discovery of the Higgs boson a new era started with direct experimental information on the…

High Energy Physics - Phenomenology · Physics 2017-08-03 C. Grojean

After the discovery of the Higgs boson particle on the 4th of July of 2012 at the Large Hadron Collider, sited at the european CERN laboratory, we are entering in a fascinating period for Particle Physics where both theorists and…

High Energy Physics - Phenomenology · Physics 2014-01-29 Maria Herrero

There are many indirect and direct experimental indications that the new particle H discovered by the ATLAS and CMS Collaborations has spin zero and (mostly) positive parity, and that its couplings to other particles are correlated with…

High Energy Physics - Phenomenology · Physics 2015-06-15 John Ellis , Tevong You

The present experimental and theoretical knowledge of the physics of electroweak symmetry breaking is reviewed. Data still favor a light Higgs boson, of a kind that can be comfortably accommodated in the Standard Model or in its Minimal…

High Energy Physics - Phenomenology · Physics 2009-11-07 Fabio Zwirner

Eleven years ago, the Higgs boson was discovered at the LHC. I briefly survey the status of Higgs boson physics today and explore some of the implications for future Higgs studies. Although current experimental measurements are consistent…

High Energy Physics - Phenomenology · Physics 2023-10-13 Howard E. Haber

According to the long-standing received wisdom, a "small" value of the Higgs mass - as for instance implied by general unitarity constraints - is highly "unnatural" and essentially $\mbox{requires}$ new physics to be present at or near…

High Energy Physics - Phenomenology · Physics 2015-07-30 M. Holman

A composite model of quarks and bosons is proposed in which a spin $1/2$ isospin doublet $\psi$ is the basic building block of quarks, $W^\pm$, $Z^0$ and Higgs boson $H^0$ in the standard model. The $\psi$ has two components $\alpha$ and…

High Energy Physics - Phenomenology · Physics 2017-01-04 J. W. Moffat

The discovery of the Standard Model (SM) Higgs boson by ATLAS and CMS at the LHC in 2012 marked a major milestone in particle physics. However, many questions remain unanswered, which has led to an active research program to search for…

High Energy Physics - Experiment · Physics 2023-06-01 Jay Chan

Nobody knows exactly what kind of Higgs physics will be unveiled when the Large Hadron Collider is turned on. There could be one Standard Model Higgs boson or five Higgs bosons as is the case in two-Higgs-doublet models; there could be more…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Drollinger

The Higgs boson was postulated in 1964, and phenomenological studies of its possible production and decays started in the early 1970s, followed by studies of its possible production in e+ e-, pbar p and pp collisions, in particular. Until…

High Energy Physics - Phenomenology · Physics 2012-01-31 John Ellis , Mary K. Gaillard , Dimitri V. Nanopoulos

Composite Higgs models are an attractive scenario, where the discovered Higgs boson is regarded as a Nambu-Goldstone boson associated with spontaneous breakdown of a global symmetry of more fundamental theory. This class of models predicts…

High Energy Physics - Phenomenology · Physics 2015-04-30 Kunio Kaneta

The discovery of the Higgs boson at the Large Hadron Collider marked a significant milestone in particle physics. The Higgs mechanism, a key theoretical framework, provides profound insights into the origin of particle masses and the…

High Energy Physics - Phenomenology · Physics 2023-06-14 Ahmed Abokhalil

The discovery of the Standard Model Higgs boson opens up a range of speculative cosmological scenarios, from the formation of structure in the early universe immediately after the big bang, to relics from the electroweak phase transition…

High Energy Physics - Phenomenology · Physics 2015-07-22 Ian G. Moss

We propose UV complete (Partially) Composite Higgs models with compositeness scale up to the Planck scale assisted by a novel mechanism. This mechanism is based on softly breaking a global $ \mathbb{Z}_2 $ symmetry by technically natural…

High Energy Physics - Phenomenology · Physics 2022-07-28 Martin Rosenlyst

We determine the current status of the fundamental composite electroweak dynamics paradigm after the discovery of the Higgs boson at the Large Hadron Collider experiments. Our analysis serves as universal and minimal template for a wide…

High Energy Physics - Phenomenology · Physics 2017-02-08 Alexandre Arbey , Giacomo Cacciapaglia , Haiying Cai , Aldo Deandrea , Solene Le Corre , Francesco Sannino

The quest for the Higgs boson of the Standard Model, which was a cornerstone in the physics programme at particle colliders operating at the energy frontier for several decades, is the subject of this review. After reviewing the formulation…

High Energy Physics - Phenomenology · Physics 2015-06-12 S. Dittmaier , M. Schumacher

Since the discovery of the Higgs boson in the year 2012, the CMS experiment continuously makes use of a variety of final states to measure the properties of the Higgs boson, as well as to search for it in final states where the discovery…

High Energy Physics - Experiment · Physics 2018-03-16 Teresa Lenz

The implications of the discovery of a scalar Higgs boson at the LHC with a mass of approximately 125 GeV are summarised in the context of the Standard Model of particle physics with its unique scalar boson and of its most celebrated new…

High Energy Physics - Phenomenology · Physics 2015-05-06 Abdelhak Djouadi

The Higgs boson, discovered back in 2012 through collision data at the Large Hadron Collider (LHC) by ATLAS and CMS experiments, marked a significant inflection point in High Energy Physics (HEP). Today, it's crucial to precisely measure…

High Energy Physics - Experiment · Physics 2024-09-18 Rishivarshil Nelakurti , Christopher Hill

The discovery of the Higgs boson by the ATLAS and CMS collaborations in 2012 concluded the longest search for a particle in the history of particle physics and was based on the largest and most complex physics experiments ever conducted,…