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相关论文: Approximate Higgs alignment without decoupling

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The discovered Higgs boson with a mass of 125 GeV exhibits properties which are all in agreement with Standard Model predictions. However, the corresponding measurements still allow for a considerable non-Standard Model behavior of the…

高能物理 - 实验 · 物理学 2018-08-29 Teresa Lenz

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…

高能物理 - 唯象学 · 物理学 2014-11-11 Vernon Barger , Lisa L. Everett , Chris B. Jackson , Andrea D. Peterson , Gabe Shaughnessy

We analyze the Minimal Supersymmetric extension of the Standard Model that we have after the discovery of the Higgs boson at the LHC, the hMSSM (habemus MSSM?), i.e. a model in which the lighter $h$ boson has a mass of approximately 125 GeV…

高能物理 - 唯象学 · 物理学 2014-05-12 A. Djouadi , L. Maiani , G. Moreau , A. Polosa , J. Quevillon , V. Riquer

The charged Higgs boson plays an essential role in distinguishing between a wide variety of standard model extensions with multiple Higgs doublets, and has been searched for in various collider experiments. This paper expands our previous…

高能物理 - 唯象学 · 物理学 2023-09-12 ChunHao Fu , Jun Gao

We present a novel realization of a composite Higgs, which can naturally produce top partners above the current LHC bounds without increasing the tuning above 10%. The essential ingredients are softened breaking of the Higgs shift symmetry…

高能物理 - 唯象学 · 物理学 2021-06-02 Simone Blasi , Csaba Csaki , Florian Goertz

We point out that present experimental limits from searches for neutral Higgs bosons at LEP already imply stringent lower bounds on the mass of the charged Higgs boson in the Minimal Supersymmetric Standard Model (MSSM); these bounds are…

高能物理 - 唯象学 · 物理学 2009-11-19 Manuel Drees , E. Ma , P. N. Pandita , D. P. Roy , S. K. Vempati

The observation of a new boson of mass $\sim 125\gev$ at the CERN LHC may finally have revealed the existence of a Higgs boson. Now we have the opportunity to scrutinize its properties, determining its quantum numbers and couplings to the…

高能物理 - 唯象学 · 物理学 2013-05-30 Alexandre Alves

After the discovery of the Higgs-like boson by the LHC 2012 it is the most important task to check whether this new particle is the Standard Model Higgs boson or something else. In this paper, we study whether the 125 GeV boson could be the…

高能物理 - 唯象学 · 物理学 2013-02-20 J. Reuter , M. Tonini

We construct a six-dimensional gauge-Higgs unification model with the enlarged gauge group of $E_6$ on $S^2/Z_2$ orbifold compactification. The standard model particle contents and gauge symmetry are obtained by utilizing a monopole…

高能物理 - 唯象学 · 物理学 2014-11-21 Cheng-Wei Chiang , Takaaki Nomura

We derive model-independent constraints on Higgs mass and couplings from associated signals for higher masses, accessible at LEP2. This work is motivated by the fact that, in many extensions of the standard model, the Higgs boson can have…

高能物理 - 唯象学 · 物理学 2009-09-17 A. Lopez-Fernandez , J. C. Romão , F. de Campos , J. W. F. Valle

We review possible properties of Higgs bosons in the NMSSM, which allow to discriminate this model from the MSSM: masses of mostly Standard-Model-like Higgs bosons at or above 140 GeV, or enhanced branching fractions into two photons, or…

高能物理 - 唯象学 · 物理学 2015-05-30 Ulrich Ellwanger

A successful connection between Higgs boson decays and the Maximum Entropy Principle is presented. Based on the information theory inference approach we determine the Higgs boson mass as $M_H= 125.04\pm 0.25$ GeV, a value fully compatible…

高能物理 - 唯象学 · 物理学 2014-11-19 Alexandre Alves , Alex G. Dias , Roberto da Silva

A summary of the Higgs boson searches by the ATLAS and CMS collabrations using 1 f b-1 of LHC data is presented, concentrating on the Standard Model Higgs boson. Both experiments have the sensitivity to exclude at 95% CL a Standard Model…

高能物理 - 实验 · 物理学 2012-01-24 William Murray

In this review, we discuss methods of parsing direct and indirect information from collider experiments regarding the Higgs boson and describe simple ways in which experimental likelihoods can be consistently reconstructed and interfaced…

高能物理 - 唯象学 · 物理学 2013-03-20 Aleksandr Azatov , Jamison Galloway

A heavy Standard Model Higgs boson is not only disfavored by electroweak precision observables but is also excluded by direct searches at the 7 TeV LHC for a wide range of masses. Here, we examine scenarios where a heavy Higgs boson can be…

高能物理 - 唯象学 · 物理学 2015-06-03 Yang Bai , JiJi Fan , JoAnne L. Hewett

The decoupling properties of the Higgs sector in the Minimal Supersymmetric Standard Model (MSSM) imply that a light CP-even Higgs boson discovered at the Tevatron or LHC may closely resemble the Standard Model (SM) Higgs boson. In this…

高能物理 - 唯象学 · 物理学 2014-11-17 Marcela Carena , Howard E. Haber , Heather E. Logan , Stephen Mrenna

Old and new ideas regarding Higgs physics are reviewed. We first summarize the quadratic divergence / hierarchy problem which strongly suggests that the SM Higgs sector will be supplemented by new physics at high scales. We next consider…

高能物理 - 唯象学 · 物理学 2008-11-26 John F. Gunion

Recently, the ATLAS and CMS collaborations have announced the discovery of a 125 GeV particle, commensurable with the Higgs boson. We analyze the 2011 and 2012 LHC and Tevatron Higgs data in the context of simplified new physics models,…

高能物理 - 唯象学 · 物理学 2015-06-05 Dean Carmi , Adam Falkowski , Eric Kuflik , Tomer Volansky , Jure Zupan

Early indications from the LHC for the observed scalar boson imply properties close to the Standard Model Higgs, putting considerable constraints on TeV scale new physics scenarios. In this letter we consider flat extra dimensional…

高能物理 - 唯象学 · 物理学 2013-09-23 Ujjal Kumar Dey , Tirtha Sankar Ray

A compact approximation formula for the mass of the lightest neutral CP-even Higgs boson, m_h, in the Minimal Supersymmetric Standard Model (MSSM) is derived from the diagrammatic two-loop result for m_h up to O(alpha alpha_s). By…

高能物理 - 唯象学 · 物理学 2009-10-31 S. Heinemeyer , W. Hollik , G. Weiglein