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Related papers: Higgs Physics at the LHC: Some Theory Aspects

200 papers

We consider Mirror Twin Higgs models in which the breaking of the global symmetry is realized linearly. In this scenario, the radial mode in the Higgs potential is present in the spectrum, and constitutes a second portal between the twin…

High Energy Physics - Phenomenology · Physics 2018-03-28 Zackaria Chacko , Can Kilic , Saereh Najjari , Christopher B. Verhaaren

A wide class of Higgs sectors is investigated in supersymmetric standard models. When the lightest Higgs boson (h) looks the standard model one, the mass (m_h) and the triple Higgs boson coupling (the hhh coupling) are evaluated at the…

High Energy Physics - Phenomenology · Physics 2011-06-16 Shinya Kanemura , Tetsuo Shindou , Kei Yagyu

Eleven years ago, the Higgs boson was discovered at the LHC. I briefly survey the status of Higgs boson physics today and explore some of the implications for future Higgs studies. Although current experimental measurements are consistent…

High Energy Physics - Phenomenology · Physics 2023-10-13 Howard E. Haber

The $\mu\nu$SSM is a supersymmetric standard model that accounts for light neutrino masses and solves the $\mu$ problem of the MSSM by simply using right-handed neutrino superfields. Since this mechanism breaks R-parity, a peculiar…

High Energy Physics - Phenomenology · Physics 2015-05-28 Javier Fidalgo , Daniel E. Lopez-Fogliani , Carlos Munoz , Roberto Ruiz de Austri

In these lectures we present a brief review of the Higgs boson sector in the ``Standard Model'', and its Minimal Supersymmetric Extension, with particular emphasis on the main mechanisms for Higgs production and decay at LEP2 and LHC, and…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Quiros

I start with a brief summary of Higgs Mechanism and supersymmetry. Then I discuss the theoretical constraints, current limits and search strategies for Higgs boson(s) at LHC - first in the SM and then in the MSSM. Finally, I discuss the…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. P. Roy

Gauge singlet extensions of the Standard Model (SM) scalar sector may help remedy its theoretical and phenomenological shortcomings while solving outstanding problems in cosmology. Depending on the symmetries of the scalar potential, such…

High Energy Physics - Phenomenology · Physics 2008-11-26 Vernon Barger , Paul Langacker , Mathew McCaskey , Michael J. Ramsey-Musolf , Gabe Shaughnessy

The study of the Higgs boson properties offers compelling perspectives for testing the effects of physics beyond the Standard Model and has deep implications for the LHC program and future colliders. Accurate determinations of the Higgs…

High Energy Physics - Phenomenology · Physics 2022-09-08 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , M. Muhlleitner , M. Spira

In this talk, I discuss theoretical advances in understanding the properties of the Higgs boson and the implications for models of electroweak symmetry breaking. I begin by reviewing some of the recent progress in Standard Model…

High Energy Physics - Phenomenology · Physics 2015-11-13 S. Dawson

Recent data on 125 GeV Higgs-like boson at the LHC starts to constrain the electroweak symmetry breaking sector of the SM and its various extensions. If one imposes the local gauge symmetry of the Standard Model (SM) ($SU(3)_c \times…

High Energy Physics - Phenomenology · Physics 2015-06-16 Suyong Choi , Sunghoon Jung , P. Ko

The latest results of Higgs boson searches beyond the Standard Model from the ATLAS and CMS experiments are reviewed. This includes searches for additional neutral, charged, and double charged Higgs-like bosons, searches for dark matter…

High Energy Physics - Experiment · Physics 2024-09-24 André Sopczak

Prospective searches about Higgs physics and beyond the Standard Model are presented for the CMS and ATLAS experiments. Possible excesses of events in real data could be an indication of the existence of new particles, even with few hundred…

High Energy Physics - Experiment · Physics 2009-06-11 N. De Filippis , for CMS , ATLAS Collaboration

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

We interpret the current experimental limit on the lightest Higgs boson mass to suggest that if nature is supersymmetric, there are additional interactions beyond those of the MSSM coming from new degrees of freedom around the TeV scale.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Dine , Nathan Seiberg , Scott Thomas

Though the predictions of the Standard Model (SM) are in excellent agreement with experiments there are still several theoretical problems, such as fine-tuning and the hierarchy problem. These problems are associated with the Higgs sector…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Rai Choudhury , A. S. Cornell , Naveen Gaur , Ashok Goyal

The prospects for detecting a candidate supersymmetric dark matter particle at the LHC are reviewed, and compared with the prospects for direct and indirect searches for astrophysical dark matter, on the basis of a frequentist analysis of…

High Energy Physics - Phenomenology · Physics 2010-11-02 John Ellis

We study extensions of the Minimal Supersymmetric Standard Model (MSSM) with new degrees of freedom that couple sizably to the MSSM Higgs sector and lie in the TeV range. After integrating out the physics at the TeV scale, the resulting…

High Energy Physics - Phenomenology · Physics 2014-11-21 Marcela Carena , Eduardo Ponton , Jose Zurita

Maximally Symmetric $n$-Higgs Doublet Models (MS-$n$HDMs)define very economic settings that enable sharp Higgs-sector predictions beyond the Standard Model (SM) potentially testable at high-energy colliders. The scalar potential of a…

High Energy Physics - Phenomenology · Physics 2022-01-04 Neda Darvishi , M. R. Masouminia , Apostolos Pilaftsis

We review the theory of Higgs bosons, with emphasis on the Higgs scalars of the Standard Model and its non-supersymmetric and supersymmetric extensions. After surveying the expected knowledge of Higgs boson physics after the Tevatron and…

High Energy Physics - Phenomenology · Physics 2007-05-23 John F. Gunion , Howard E. Haber , Rick Van Kooten

We discuss the interpretation of the LHC Higgs data and the test of the Higgs mechanism. This is done in a more model-independent approach relying on an effective Lagrangian, as well as in specific models like composite Higgs models and…

High Energy Physics - Phenomenology · Physics 2016-02-22 M. Krämer , M. Muhlleitner