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Related papers: Approximate Higgs alignment without decoupling

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Although supersymmetry remains the best candidate for solving the electroweak hierarchy problem, a supersymmetric Higgs boson near 125 GeV requires heavy scalars, highly-mixed stops, or non-minimal contributions to the Higgs potential.…

High Energy Physics - Phenomenology · Physics 2015-06-12 Nathaniel Craig , Andrey Katz

We perform a comprehensive study of the Higgs sector of the Minimal Supersymmetric extension of the Standard Model in the case where all Higgs bosons are rather light, with masses of ${\cal O}(100 GeV)$, and couple maximally to electroweak…

High Energy Physics - Phenomenology · Physics 2009-12-04 E. Boos , A. Djouadi , M. Muhlleitner , A. Vologdin

We examine the current lower bound on the charged Higgs boson mass in the Minimal Supersymmetric Standard Model. By applying direct search constraints on the neutral Higgs bosons and other supersymmetric states, as well as a number of…

High Energy Physics - Phenomenology · Physics 2009-01-22 Brian Dudley , Christopher Kolda

In two Higgs doublet models (2HDM), there exists an interesting possibility, the hidden light Higgs scenario, that the discovered SM-like Higgs boson is the heavier \textit{CP}-even Higgs boson $H^0$ and the lighter \textit{CP}-even $h^0$…

High Energy Physics - Phenomenology · Physics 2016-04-05 Sanghyeon Chang , Sin Kyu Kang , Jong-Phil Lee , Jeonghyeon Song

The status of the Higgs boson mass in the Standard Model and its supersymmetric extensions is reviewed and the perspectives of Higgs searches are discussed. The parameter space of the Minimal Supersymmetric Standard Model (MSSM) is analysed…

High Energy Physics - Phenomenology · Physics 2009-11-19 D. I. Kazakov

The data collected by the OPAL experiment at sqrts=183 GeV were used to search for Higgs bosons which are predicted by the Standard Model and various extensions, such as general models with two Higgs field doublets and the Minimal…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , G. Abbiendi et al

A short review of the theory and phenomenology of Higgs bosons is given, with focus on the Standard Model (SM) and the minimal supersymmetric extension of the Standard Model (MSSM). The potential for Higgs boson discovery at the Tevatron…

High Energy Physics - Phenomenology · Physics 2007-05-23 Howard E. Haber

One-loop contributions to the Higgs potential at finite temperatures are discussed in the supersymmetric standard model with four Higgs doublet chiral superfields as well as a pair of charged singlet chiral superfields. The mass of the…

High Energy Physics - Phenomenology · Physics 2012-03-05 Shinya Kanemura , Eibun Senaha , Tetsuo Shindou

As soon as a significant signal in one of the Higgs boson discovery channels is observed, it will be important to establish its nature. To do this, a precise measurements of its properties is important. In this article the prospects to…

High Energy Physics - Experiment · Physics 2007-05-23 A. Dahlhoff

This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110 < m(H) < 130 GeV produced in association with a W or Z boson and decaying to bb. Three decay channels are…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

If the LHC does only find a Higgs boson in the low mass region and no other new physics, then one should reconsider scenarios where the Standard Model with three right-handed neutrinos is valid up to Planck scale. We assume in this spirit…

High Energy Physics - Phenomenology · Physics 2012-03-05 Martin Holthausen , Kher Sham Lim , Manfred Lindner

In supersymmetric models, a correlation exists between the structure of the Higgs sector quartic potential and the coupling of the lightest CP-even Higgs to fermions and gauge bosons. We exploit this connection to relate the observed value…

High Energy Physics - Phenomenology · Physics 2015-06-12 Rick S. Gupta , Marc Montull , Francesco Riva

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

Theoretical implications of the possible observation of a Higgs boson with a mass of about 115 GeV at LEP are discussed. Within the Standard Model a Higgs boson in this mass range agrees well with the indirect constraints from electroweak…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Weiglein

Triggering the electroweak symmetry breaking may not be the only key role played by the Higgs boson in particle physics. In a recently proposed warped five-dimensional $SO(5)\otimes U(1)$ gauge-Higgs unification model the Higgs boson can…

High Energy Physics - Phenomenology · Physics 2012-09-03 Alexandre Alves

We present the current status of the Two-Higgs-Doublet model of type II. Taking into account all available relevant information, we exclude at $95$% CL sizeable deviations of the so-called alignment limit, in which all couplings of the…

High Energy Physics - Phenomenology · Physics 2014-06-17 Otto Eberhardt

We investigate how precisely the CP nature of the 125 GeV Higgs boson, parametrized by a scalar-pseudoscalar Higgs mixing angle, can be determined in Higgs-to-tau-pair decay with subsequent tau-lepton decays to charged prongs at the Large…

High Energy Physics - Phenomenology · Physics 2015-12-02 Stefan Berge , Werner Bernreuther , Sebastian Kirchner

The Higgs boson is in the backbone of the standard model of electroweak interactions. It must exist in some form for achieving unification of interactions. In the gauge-Higgs unification scenario the Higgs boson becomes a part of the…

High Energy Physics - Phenomenology · Physics 2015-03-13 Yutaka Hosotani

Studies of the spin, parity and tensor couplings of the Higgs boson in the $H\rightarrow ZZ^*\rightarrow 4\ell$, $H\rightarrow WW^* \rightarrow e\nu\mu\nu$ and $H\rightarrow \gamma \gamma$ decay processes at the LHC are presented. The…

High Energy Physics - Experiment · Physics 2015-10-26 ATLAS Collaboration

The Higgs boson recently discovered at the Large Hadron Collider has shown to have couplings to the remaining particles well within what is predicted by the Standard Model. The search for other new heavy scalar states has so far revealed to…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. Arhrib , P. M. Ferreira , R. Santos
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