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We study the potential of hadron colliders in the search for the pair production of neutral Higgs bosons in the framework of the Minimal Supersymmetric Standard Model. We perform a detailed signal and background analysis, working out…

High Energy Physics - Phenomenology · Physics 2009-01-07 A. Belyaev , M. Drees , J. K. Mizukoshi

Measuring the Higgs boson couplings as precisely as possible is one of the major goals of the High Luminosity LHC. We show that the $(b\bar{b})(b\bar{b})$ final state in Higgs boson pair production can be exploited in the boosted regime to…

High Energy Physics - Phenomenology · Physics 2014-08-14 Danilo Enoque Ferreira de Lima , Andreas Papaefstathiou , Michael Spannowsky

After the recent discovery of the Higgs boson, the next important goal is to measure its properties. Probing the Yukawa coupling of the Higgs boson to top quarks is a particularly important test of physics beyond the standard model. This…

High Energy Physics - Experiment · Physics 2019-08-13 Liis Rebane

After the Higgs boson discovery, a main focus at the CERN LHC has been the measurement of its properties. Observing the Higgs boson associated production with a top quark-antiquark pair ($\mathrm{t\bar{t}H}$) is particularly interesting…

High Energy Physics - Experiment · Physics 2022-08-18 Angela Giraldi

We study the potential of hadron colliders in the search for the pair production of neutral Higgs bosons in the framework of the Minimal Supersymmetric Standard Model. Using analytical expressions for the relevant amplitudes, we perform a…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Belyaev , M. Drees , O. J. P Eboli , J. K. Mizukoshi , S. F. Novaes

A primary goal of present and future colliders is measuring the Higgs couplings to Standard Model (SM) particles. Any observed deviation from the SM predictions for these couplings is a sign of new physics whose energy scale can be bounded…

High Energy Physics - Phenomenology · Physics 2021-07-13 Fayez Abu-Ajamieh , Spencer Chang , Miranda Chen , Markus A. Luty

The next generation electron-positron colliders are designed for precision studies of the Standard Model and its extensions, in particular in the Higgs sector. We consider the potential for discovery of composite Higgs models in Higgs pair…

High Energy Physics - Phenomenology · Physics 2021-10-14 A. Bharucha , G. Cacciapaglia , A. Deandrea , N. Gaur , D. Harada , F. Mahmoudi , K. Sridhar

We study the Higgs pair production process at a muon collider using b-pair decays of the Higgs bosons. Efficient identification and good measurement resolution for the b-jet pair invariant mass are crucial for unearthing the di-Higgs…

High Energy Physics - Experiment · Physics 2023-08-09 K. Black , T. Bose , S. Dasu , H. Jia , S. Lomte , V. Sharma , C. Vuosalo , I. Ojalvo , T. Holmes , L. Lee , M. Swiatlowski , M. Valente , J. Oliver

Determining the form of the Higgs potential is one of the most exciting challenges of modern particle physics. Higgs pair production directly probes the Higgs self-coupling and should be observed in the near future at the High-Luminosity…

High Energy Physics - Phenomenology · Physics 2024-11-15 Radha Mastandrea , Benjamin Nachman , Tilman Plehn

It is found that CP symmetry may be explicitly broken in the Higgs sector of a supersymmetric $E_6$ model with two extra neutral gauge bosons at the one-loop level. The phenomenology of the model, the Higgs sector in particular, is studied…

High Energy Physics - Phenomenology · Physics 2010-04-15 S. W. Ham , J. O. Im , E. J. Yoo , S. K. OH

The idea of reduction of couplings provides a systematic procedure to search for relations among seemingly unrelated parameters of a renormalizable theory. As a consequence, such reduced theories exhibit more constrained parameter spaces.…

High Energy Physics - Phenomenology · Physics 2025-02-28 Wojciech Kotlarski , Gregory Patellis

The properties of the Higgs potential are determined by three parameters: the mass parameter, the quartic self-coupling, and a constant term. Remarkably, all three of these parameters seem subject to a significant amount of fine-tuning. All…

High Energy Physics - Phenomenology · Physics 2024-05-07 Thomas Steingasser

An elementary Higgs boson, which is the remnant of the spontaneous symmetry breaking mechanism in the Standard Model, remains one of the most elusive particles. If a Higgs boson candidate is found at future accelerators, it becomes…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Osland , P. N. Pandita

Probing the properties of the discovered Higgs boson may tell us whether or not it is the same particle as the one predicted by the Standard Model. To this aim we parametrize deviations of the Higgs couplings to matter from the Standard…

High Energy Physics - Phenomenology · Physics 2016-02-22 Hermes Belusca-Maito

We perform a complementarity study of gravitational waves and colliders in the context of electroweak phase transitions choosing as our template the xSM model, which consists of the Standard Model augmented by a real scalar. We carefully…

High Energy Physics - Phenomenology · Physics 2018-12-27 Alexandre Alves , Tathagata Ghosh , Huai-Ke Guo , Kuver Sinha

The process of gluon-initiated double Higgs production is sensitive to non-linear interactions of the Higgs boson. In the context of the Standard Model, studies of this process focused on the extraction of the Higgs trilinear coupling. In a…

High Energy Physics - Phenomenology · Physics 2015-06-05 Roberto Contino , Margherita Ghezzi , Mauro Moretti , Giuliano Panico , Fulvio Piccinini , Andrea Wulzer

We study the indirect effects of new physics on the phenomenology of the recently discovered "Higgs-like" particle. In a model independent framework these effects can be parametrized in terms of an effective Lagrangian at the electroweak…

High Energy Physics - Phenomenology · Physics 2013-10-29 Tyler Corbett , O. J. P. Eboli , J. Gonzalez-Fraile , M. C. Gonzalez-Garcia

Higgs factories will be able to measure Higgs properties, and in particular Higgs couplings with high precision. In a follow-up to an earlier analysis we study the impact of the Higgs-strahlung and vector boson fusion processes on the…

High Energy Physics - Phenomenology · Physics 2017-11-08 Remi Lafaye , Tilman Plehn , Michael Rauch , Dirk Zerwas

We study resonant production of pairs of Standard Model (SM)-like Higgs bosons, in the presence of new neutral Higgs states together with new coloured scalars (stops or sbottoms) in loops within the Next-to-Minimal Supersymmetric SM…

High Energy Physics - Phenomenology · Physics 2025-08-05 Stefano Moretti , Luca Panizzi , Jörgen Sjölin , Harri Waltari

We studied the pair production rate of charged Higgs bosons via gluon-gluon collisions in the general two-Higgs-doublet model. The analysis of its production are made with possible parameter values of Higgs sectors in this model. We find…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jiang Yi , Han Liang , Ma Wen-Gan , Yu Zeng-Hui , Han Meng