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Perhaps the most important question in particle physics today is whether the boson with mass near 125 GeV discovered at the Large Hadron Collider (LHC) is the Higgs Boson of the Standard Model. Since a particularly important property of the…

High Energy Physics - Phenomenology · Physics 2013-07-12 A. Freitas , J. S. Gainer

A major goal of the future Large Hadron Collider will be the Higgs boson search. In this paper the discovery In this paper the discovery potential is described as a function of the Higgs mass showing that a Standard Model Higgs boson can be…

High Energy Physics - Experiment · Physics 2007-05-23 Davide Costanzo

Interpretations of Higgs searches critically involve production cross sections and decay probabilities for different analysis channels. Mixing effects can reduce production rates, while invisible decays can reduce decay probabilities. Both…

High Energy Physics - Phenomenology · Physics 2015-06-03 Christoph Englert , Tilman Plehn , Michael Rauch , Dirk Zerwas , Peter M. Zerwas

The investigation of the electroweak symmetry breaking is one of the primary tasks of the experiments at the CERN Large Hadron Collider (LHC). The potential of the ATLAS experiment for the discovery of the Higgs boson(s) in Standard Model…

High Energy Physics - Experiment · Physics 2019-08-13 E. Richter-Was

Statistical tools have been developed to quantify the agreement between a hypothesis or a model and the observed data for probabilistic phenomena. In this work, we define statistical methods used to measure the properties of the higgs boson…

Popular Physics · Physics 2020-05-21 Abdeljalil Habjia

This review is based on the talk presented at the SUSY 2012 (Beijing). The new particle around 125 GeV observed at the Large Hadron Collider (LHC) is almost consistent with the standard model Higgs boson, except that the diphoton decay mode…

High Energy Physics - Phenomenology · Physics 2012-12-24 Jung Chang , Kingman Cheung , Po-Yan Tseng , Tzu-Chiang Yuan

Heavy charged Higgs bosons ($H^\pm$) of a Type II 2-Higgs Doublet Model (2HDM) can be detected at future electron-positron Linear Colliders (LCs) even when their mass is larger than half the collider energy. The single Higgs mode $e^+e^-\to…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Moretti

Higgs mechanism of EWSB can be realized in both well known minimal model and with more complex non-minimal Higgs models. These non-minimal models contain new Higgs bosons -- neutral $h_a$ and charged $H_b^\pm$. Necessary step in the…

High Energy Physics - Phenomenology · Physics 2015-05-19 I. F. Ginzburg

A search for a Higgs boson produced in e^+e^- collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the L3 detector at centre-of-mass energies from 189 GeV to 209 GeV are…

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

Recent studies are presented demonstrating the important role played by silicon detectors in the the discovery of the Higgs boson. CMS is planning to replace its in an extended technical stop of the LHC in the winter of 2016 . We present…

High Energy Physics - Experiment · Physics 2015-06-30 D. Bortoletto

We review some recent developments in Higgs physics at a $\gamma\gamma$ collider. We begin with single Higgs boson production in $\gamma\gamma$ collisions proceeding via the hadronic content of the photon. For SM Higgs masses of current…

High Energy Physics - Phenomenology · Physics 2017-08-23 Stephen Godfrey , Shouhua Zhu

In most extensions of the Standard Model, heavy charged Higgs bosons at the LHC are dominantly produced in association with heavy quarks. An up-to-date determination of the next-to-leading order total cross section in a type-II…

High Energy Physics - Phenomenology · Physics 2015-07-27 Martin Flechl , Richard Klees , Michael Kramer , Michael Spira , Maria Ubiali

The Higgs particle is a new elementary particle predicted in the Standard Model of the elementary particle physics. It plays a special role in the theory of mass generation of quarks, leptons, and gauge bosons. In this article, theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yasuhiro Okada

Since the TESLA Technical Design Report (TDR) was published in 2001, the physics programme of an electron-positron linear collider (LC) has been further developed and a wide consensus has been reached on the physics case and the need for a…

High Energy Physics - Phenomenology · Physics 2009-11-07 Andre Sopczak

We review the role of a muon collider in the study of Higgs bosons via production in the s-channel. Very precise measurements of a Standard Model-like Higgs boson mass and total width can be performed, and may lead to a discrimination…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. S. Berger

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

This Letter presents the first study of Higgs boson production in association with a vector boson (V = W or Z) in the fully hadronic $qqbb$ final state using data recorded by the ATLAS detector at the LHC in proton-proton collisions at…

High Energy Physics - Experiment · Physics 2024-04-04 ATLAS Collaboration

The particle recently discovered by the CMS and ATLAS collaborations at CERN is almost certainly a Higgs boson, fulfilling a quest that can be traced back to three seminal high energy papers of 1964, but which is intimately connected to…

High Energy Physics - Phenomenology · Physics 2015-06-16 Roland E. Allen

Quantum machine learning provides a fundamentally different approach to analyzing data. However, many interesting datasets are too complex for currently available quantum computers. Present quantum machine learning applications usually…

Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, $H\rightarrow\gamma\gamma$, $H\rightarrow ZZ^{*}\rightarrow 4 \ell$ and $H\rightarrow W W…

High Energy Physics - Experiment · Physics 2014-10-27 ATLAS Collaboration