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Related papers: A 4D Composite Higgs Model: Testing its Scalar Sec…

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We show that the 4-Dimensional Composite Higgs Model (4DCHM) could provide an even better explanation than the Standard Model (SM) of the current Large Hadron Collider (LHC) data pointing to the discovery of a neutral Higgs boson. The full…

High Energy Physics - Phenomenology · Physics 2013-09-17 D. Barducci , A. Belyaev , M. S. Brown , S. De Curtis , S. Moretti , G. M. Pruna

This Thesis is devoted to the phenomenological analysis at the large hadron collider (LHC), as well at a future electron positron collider, of the 4 dimensional (4D) composite Higgs model (4DCHM), a compelling beyond the standard model…

High Energy Physics - Phenomenology · Physics 2014-11-24 Daniele Barducci

Composite Higgs models provide an elegant solution to the hierarchy problem present in the Standard Model (SM) and give an alternative pattern leading to the mechanism of Electro-Weak Symmetry Breaking (EWSB). We present an analysis of the…

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

We propose a four dimensional description of Composite Higgs Models which represents a complete framework for the physics of the Higgs as a pseudo-Nambu-Goldstone boson. Our setup captures all the relevant features of 5D models and more in…

High Energy Physics - Phenomenology · Physics 2014-03-03 Stefania De Curtis , Michele Redi , Andrea Tesi

The LHC has been built to understand the dynamics at the origin of the breaking of the electroweak symmetry. Weakly coupled models with a fundamental Higgs boson have focused most of the attention of the experimental searches. We will…

High Energy Physics - Phenomenology · Physics 2015-06-04 J. R. Espinosa , C. Grojean , M. Muehlleitner

We study the phenomenology of both the Neutral Current (NC) and Charged Current (CC) Drell-Yan (DY) processes at the Large Hadron Collider (LHC) within a 4 Dimensional realization of a Composite Higgs model with partial compositness by…

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

We investigate the scope of the Large Hadron Collider (LHC) in probing the parameter space of a 4-Site (4S) model supplemented by one composite Higgs state. We concentrate on the yield of `mixed' di-boson production giving three leptons and…

High Energy Physics - Phenomenology · Physics 2013-05-30 Stefania De Curtis , Daniele Dominici , Luca Fedeli , Stefano Moretti

We study the production of top-antitop pairs at the Large Hadron Collider as a testbed for discovering heavy Z' bosons belonging to a composite Higgs model, as, in this scenario, such new gauge interaction states are sizeably coupled to the…

High Energy Physics - Phenomenology · Physics 2014-09-10 D. Barducci , S. De Curtis , K. Mimasu , S. Moretti

General Composite Higgs models provide an elegant solution to the hierarchy problem present in the Standard Model and give an alternative pattern leading to the mechanism of electroweak (EW) symmetry breaking. We present an analysis of a…

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

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

Using the 4-Dimensional Composite Higgs Model (4DCHM) realization of the minimal composite Higgs scenario, we discuss the Large Hadron Collider (LHC) sensitivity to new physics signals from multiple $Z^\prime$ and $W^\prime$ broad…

High Energy Physics - Phenomenology · Physics 2022-11-29 J. Fiaschi , F. Giuli , F. Hautmann , S. Moretti

In this work, we present a study of the neutral Higgs bosons in the two Higgs doublet model (2HDM) in terms of their production processes and decay channels as a function of the model parameters. The analysis is performed for all four types…

High Energy Physics - Phenomenology · Physics 2022-06-01 Majid Hashemi , Neda Nowbakht Ghalati

We describe a concrete, predictive incarnation of the general paradigm of a composite Higgs boson, which provides a valid alternative to the standard holographic models in five space-time dimensions. Differently from the latter, our model…

High Energy Physics - Phenomenology · Physics 2015-05-28 Giuliano Panico , Andrea Wulzer

Most of the current experimental searches for charged Higgs bosons at the Large Hadron Collider (LHC) concentrate upon the $tb$ and $\tau\nu$ decay channels. In the present study, we analyze instead the feasibility of the bosonic decay…

High Energy Physics - Phenomenology · Physics 2023-05-18 Z. Li , A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

In this study, we investigate observability of the neutral scalar ($H$) and pseudoscalar ($A$) Higgs bosons in the framework of the Type-I 2HDM at SM-like scenario at a linear collider operating at $\sqrt s=$ 500 and 1000 GeV. The signal…

High Energy Physics - Phenomenology · Physics 2019-06-26 Majid Hashemi , Gholamhossein Haghighat

The properties of the Higgs boson discovered at the Large Hadron Collider are very well described by the Standard Model (SM). Thus, any theory that invokes an extended Higgs sector must explain why the neutral scalar observed at the LHC so…

High Energy Physics - Phenomenology · Physics 2022-10-05 Howard E. Haber

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

We study the Large Hadron Collider (LHC) discovery prospects of a light charged Higgs boson decaying into a $W$ boson and a non-Standard Model (SM)-like Higgs within the 2-Higgs Doublet Model type-I. In the analysis, we consider the…

High Energy Physics - Phenomenology · Physics 2024-02-13 A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

The inclusive search for the Standard Model Higgs boson in four-lepton final states with the ATLAS and CMS detectors at the LHC pp collider is presented. The discussion focusses on the H-> ZZ^(*)->4l+X decay mode for a Higgs boson in the…

High Energy Physics - Experiment · Physics 2007-05-23 Evelyne Delmeire

After the extraordinary discovery of the Higgs boson at the LHC, the next goal is to pin down its underlying dynamics by measuring the Higgs self-couplings, along with its couplings to gauge and matter particles. As a prototype model of new…

High Energy Physics - Phenomenology · Physics 2014-11-11 Vernon Barger , Lisa L. Everett , Chris B. Jackson , Andrea D. Peterson , Gabe Shaughnessy
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