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Related papers: NMSSM Higgs Discovery at the LHC

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The recent LHC indications of a SM-like Higgs boson near 125 GeV are consistent not only with the Standard Model (SM) but also with Supersymmetry (SUSY). However naturalness arguments disfavour the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2015-06-03 S. F. King , M. Muhlleitner , R. Nevzorov

The mass of the Standard Model (SM) Higgs boson was constrained by the Large Electron-Positron (LEP) collider to be above 114.4 GeV. Simple extensions of the scalar sector like adding singlets and/or doublets allow the lightest Higgs to be…

High Energy Physics - Phenomenology · Physics 2010-11-19 Alexander Belyaev , Renato Guedes , Stefano Moretti , Rui Santos

The Large Electron-Positron (LEP) collider experiments have constrained the mass of the Standard Model (SM) Higgs boson to be above 114.4 GeV. This bound applies to all extensions of the SM where the coupling of a Higgs boson to the Z boson…

High Energy Physics - Phenomenology · Physics 2010-05-25 Alexander Belyaev , Renato Guedes , Stefano Moretti , Rui Santos

The Next-to-Minimal Supersymmetric Standard Model (NMSSM), the singlet extension of the MSSM which fixes many of the MSSM's shortcomings, is shown to be within reach of the upcoming runs of the Large Hadron Collider (LHC). A systematic…

High Energy Physics - Phenomenology · Physics 2019-04-08 Sebastian Baum , Nausheen R. Shah , Katherine Freese

Charged Higgs bosons are predicted in several extensions of the Standard Model, where the Higgs sector contains more than one doublet of complex scalars, for instance in the Minimal Supersymmetric Standard Model (MSSM). For $m_{H^+} <…

High Energy Physics - Experiment · Physics 2015-06-03 Daniel Pelikan

We investigate signatures induced by a very light pseudoscalar Higgs in neutralino decays in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and determine their observability at the LHC. We concentrate on scenarios which feature…

High Energy Physics - Phenomenology · Physics 2014-02-17 David G. Cerdeno , Pradipta Ghosh , Chan Beom Park , Miguel Peiro

The search strategy for the Standard Model Higgs boson at the Large Hadron Collider is reviewed, with a particular emphasis on its potential observation by the ATLAS and CMS detectors in the $\gamma\gamma$, $\tau^+\tau^-$, $ZZ^{*}$ and…

High Energy Physics - Experiment · Physics 2009-09-03 Marco Delmastro

We study the collider phenomenology of the extended Higgs sector of the Next-to-Minimal Supersymmetric Standard Model (NMSSM). The region of NMSSM parameter space favored by a 125\,GeV SM-like Higgs and naturalness generically features a…

High Energy Physics - Phenomenology · Physics 2017-07-05 Sebastian Baum , Katherine Freese , Nausheen R. Shah , Bibhushan Shakya

The discovery of a Higgs particle is possible in a variety of search channels at the LHC. However the true identity of any putative Higgs boson will at first remain ambiguous, until one has experimentally excluded other possible assignments…

High Energy Physics - Phenomenology · Physics 2014-11-20 A. De Rujula , Joseph Lykken , Maurizio Pierini , Christopher Rogan , Maria Spiropulu

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

A prospective for the inclusive search of the Standard Model Higgs boson in the decay channel H->gammagamm is presented with the CMS experiment at the LHC. The analysis relies on a strategy to determine the background characteristics and…

High Energy Physics - Experiment · Physics 2009-11-13 Serguei Ganjour

The CP-violating MSSM allows existence of a light neutral Higgs boson ($M_{H_1} \lapp 50$ GeV) in the CPX scenario in the low $\tan \beta (\lapp 5)$ region, which could have escaped the LEP searches due to a strongly suppressed $H_1 Z Z$…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dilip Kumar Ghosh , R. M. Godbole , D. P. Roy

We analyse the impact of explicit CP-violation in the Higgs sector of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) on its consistency with the Higgs boson data from the Large Hadron Collider (LHC). Through detailed scans of the…

High Energy Physics - Phenomenology · Physics 2015-08-04 Stefano Moretti , Shoaib Munir

The simplest supersymmetric model that solves the mu problem and in which the GUT-scale parameters need not be finely tuned in order to predict the correct value of the Z boson mass at low scales is the Next-to-Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-02-18 J. R. Forshaw , J. F. Gunion , L. Hodgkinson , A. Papaefstathiou , A. D. Pilkington

We discuss the importance of being able to detect Higgs-to-Higgs-pair decays in the context of the Next-to-Minimal Supersymmetric Model (NMSSM) and demonstrate the excellent capabilities of a photon collider for this purpose.

High Energy Physics - Phenomenology · Physics 2007-05-23 John F. Gunion , Michal Szleper

Results are presented for the search for invisible Higgs boson production using the full LHC dataset corresponding to integrated luminosity of 5.1 fb^-1 and 19.6 fb^-1 of proton-proton collision data at sqrt(s)= 7 TeV and 8 TeV…

High Energy Physics - Experiment · Physics 2019-08-14 Matthew E. Chasco

We study the scope of the Large Hadron Collider in accessing a neutral Higgs boson of the $B-L$ Supersymmetric Standard Model. After assessing the surviving parameter space configurations following the Run 1 data taking, we investigate the…

High Energy Physics - Phenomenology · Physics 2016-07-20 A. Hammad , S. Khalil , S. Moretti

In the Next-to Minimal Supersymmetric Standard Model (NMSSM), a sizable coupling $\lambda$ between the singlet and Higgs fields can naturally accommodate the observed Higgs boson mass of 125 GeV. This large coupling also results in a large…

High Energy Physics - Phenomenology · Physics 2015-03-05 Bhaskar Dutta , Yu Gao , Bibhushan Shakya

The prospects for Higgs boson discovery and study at present and future colliders are reviewed, with emphasis on the Minimal Supersymmetric Standard Model (MSSM) states. The expected experimental coverages with different production and…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger

In the Next-to-Minimal Supersymmetric Standard Model (NMSSM) a variety of parameter configurations yields a Higgs boson consistent with the one observed at the LHC. Additionally, the Higgs sector of the model can contain explicit…

High Energy Physics - Phenomenology · Physics 2014-05-15 Shoaib Munir
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