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Related papers: Higgs/Electroweak in the SM and the MSSM

200 papers

Studying the properties of the Higgs boson can be an important window to explore the physics beyond the Standard Model (SM). In this work, we present studies on the implications of the Higgs precision measurements at future Higgs Factories.…

High Energy Physics - Phenomenology · Physics 2019-06-26 Ning Chen , Jiayin Gu , Tao Han , Honglei Li , Zhen Liu , Huayang Song , Shufang Su , Wei Su , Yongcheng Wu , Jin Min Yang

We study the heavy Higgs sector of the MSSM composed of the H^\pm, H^0 and A^0 particles in the so-called decoupling limit where m_{A^0} >> m_Z. By integrating out these heavy Higgs particles to one-loop, we compute the effective action for…

High Energy Physics - Phenomenology · Physics 2011-09-13 Antonio Dobado , Maria J. Herrero , Siannah Penaranda

Electroweak precision observables (EWPO) can give valuable information about the last unknown paramter of the Standard Model (SM), the Higgs-boson mass M_H^SM. EWPO can also restrict the parameter space of new physics models (NPM) such as…

High Energy Physics - Phenomenology · Physics 2007-10-17 S. Heinemeyer

High precision experimental measurements of the properties of the Higgs boson at $\sim$ 125 GeV as well as electroweak precision observables such as the W -boson mass or the effective weak leptonic mixing angle are expected at future…

High Energy Physics - Phenomenology · Physics 2021-06-25 Sven Heinemeyer , Stanislaw Jadach , Jürgen Reuter

Accepting the existence of a SM-like Higgs boson in the range 123GeV-127GeV as indicated by the observed ga,ga events, there are two distinct regions left in the Minimal Supersymmetric (SUSY) Standard Model (MSSM) Higgs sector: (a) the…

High Energy Physics - Phenomenology · Physics 2012-07-31 Neil Christensen , Tao Han , Shufang Su

We review the realization of the Brout-Englert-Higgs mechanism in the electroweak theory and describe the experimental and theoretical constraints on the mass of the single Higgs boson expected in the minimal Standard Model. We also discuss…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Giovanni Ridolfi , Fabio Zwirner

I briefly review the Higgs sector in the Standard Model and its minimal Supersymmetric extension, the MSSM. After summarizing the properties of the Higgs bosons and the present experimental constraints, I will discuss the prospects for…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Djouadi

After the discovery of a Higgs-like boson with a mass of m~125 GeV at the LHC, we can now attempt to draw conclusions about physics beyond the Standard Model. I argue that there are several hints towards new physics at intermediate scales >…

High Energy Physics - Phenomenology · Physics 2017-08-23 Alexander K Knochel

We review the theoretical status and the future perspectives of the most important electroweak precision observables in the MSSM. This comprises the mass of the W boson, M_W, the effective leptonic mixing angle, sin^2(theta_eff), the mass…

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

We perform a global analysis of electroweak precision measurements to find constraints on physics beyond the Standard Model. In particular, we discuss oblique parameters, which are useful to constrain additional matter fields, as well as…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler

The potential to discover a Standard-Model-like Higgs boson at the LHC in the mass range from 150-180 GeV, decaying into a pair of W bosons with subsequent leptonic decays, has been established during the last 10 years. Assuming that such a…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Davatz , M. Dittmar , F. Pauss

The status of the evaluation of the MSSM Higgs sector is reviewed. The phenomenological impact of recently obtained corrections is discussed. In particular it is shown that the upper bound on m_h within the MSSM is shifted upwards.…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Degrassi , S. Heinemeyer , W. Hollik , P. Slavich , G. Weiglein

The observed Higgs boson mass and the naturalness argument leave us a narrow window for the soft mass spectrum in natural supersymmetry that can be studied through the electroweak precision tests (EWPTs). We divide the analysis into the…

High Energy Physics - Phenomenology · Physics 2015-01-27 Sibo Zheng , Yao Yu

We study the effects of the extended electroweak gauge sector on the signal strengths of the Higgs boson at the LHC. Extension of the Higgs sector associate with the extension of the electroweak gauge symmetry. In our setup, there are two…

High Energy Physics - Phenomenology · Physics 2013-04-19 Tomohiro Abe , Ning Chen , Hong-Jian He

The recently reported observation of a new particle with mass about 125 GeV and couplings generally resembling those of the Standard Model Higgs boson provides a potential probe of the physics of electroweak symmetry breaking. Although the…

High Energy Physics - Phenomenology · Physics 2012-07-17 Andrew G. Cohen , Martin Schmaltz

While the existence of a Higgs boson with a mass near 125 GeV has been clearly established, the detailed structure of the entire Higgs sector is yet unclear. Besides the Standard Model interpretation, various possibilities for extended…

High Energy Physics - Experiment · Physics 2015-06-19 Rainer Mankel

In this paper I review the calculations (and partially simulations and theoretical studies) that have been made and published during the last two to three years focusing on the electroweak symmetry breaking sector and the Higgs boson(s)…

High Energy Physics - Phenomenology · Physics 2012-01-24 Juergen Reuter

In these proceedings, I review recent precision calculations relevant for the LHC, all related to the electroweak, Higgs or top sector of the Standard Model. These applications range from triboson production to the production of a…

High Energy Physics - Phenomenology · Physics 2024-07-31 Mathieu Pellen

An updated global analysis within the Standard Model (SM) of all relevant electroweak precision and Higgs boson search data is presented with special emphasis on the implications for the Higgs boson mass, M_H. Included are, in particular,…

High Energy Physics - Phenomenology · Physics 2015-03-13 Jens Erler

The possibility of identification of an observable CMS $\mu^+ \mu^-$ excess at 28 GeV in the channel $pp\to \mu^+ \mu^- b \bar b$ at $\sqrt{s}$=8 TeV and 13 TeV as a manifestation of one of the minimal supersymmetric standard model (MSSM)…

High Energy Physics - Phenomenology · Physics 2019-08-15 Mikhail Dubinin , Elena Fedotova