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We discuss the phenomenology of charged Higgs bosons in the MSSM with minimal flavor violation. In addition to the constrained MSSM (CMSSM) with universal soft supersymmetry breaking mass parameters at the GUT scale, we explore…

High Energy Physics - Phenomenology · Physics 2009-02-18 D. Eriksson , F. Mahmoudi , O. Stål

Recently, the CDF collaboration has reported a new precision measurement of the $W$-boson mass, $M_W$, showing a large deviation from the value predicted by the Standard Model (SM). In this paper, we analyse possible new physics…

High Energy Physics - Phenomenology · Physics 2022-07-27 Henning Bahl , Johannes Braathen , Georg Weiglein

With the aim of exploring the Higgs sector of the Two Higgs Doublet Model (2HDM), we have chosen the exact and soft $Z_2$ symmetry breaking versions of the 2HDM with non-zero vacuum expectation values for both Higgs doublets (Mixed Model).…

High Energy Physics - Phenomenology · Physics 2017-11-15 Neda Darvishi , Maria Krawczyk

We investigate the possibility of detectable 2-Higgs Doublet Model (2HDM) type-II cross-sections at the High-Luminosity phase of the Large Hadron Collider (HL-LHC) for the production of the Standard Model (SM)-like Higgs boson ($h$) in…

High Energy Physics - Phenomenology · Physics 2023-03-17 Ciara Byers , Shubhani Jain , Stefano Moretti , Emmanuel Olaiya

One of the standard ways to study scenarios beyond the Standard Model involves extending the Higgs Sector. This work examines the Three Higgs Doublet Model (3HDM) in a Type-Z or democratic setup, where each Higgs doublet couples exclusively…

High Energy Physics - Phenomenology · Physics 2025-07-17 Nipun Batra , Baradhwaj Coleppa , Akshat Khanna , Santosh Kumar Rai , Agnivo Sarkar

Updating various theoretical and experimental constraints on the four different types of two-Higgs-doublet models (2HDMs), we find that only the "lepton-specific" (or "type X") 2HDM can explain the present muon (g-2) anomaly in the…

High Energy Physics - Phenomenology · Physics 2015-05-05 Eung Jin Chun

Updating various theoretical and experimental constraints on the four different types of two-Higgs-doublet models (2HDMs), we find that only the ``lepton-specific" (or ``type X") 2HDM can explain the present muon g$-$2 anomaly in the…

High Energy Physics - Phenomenology · Physics 2016-09-21 Eung Jin Chun

Motivated by the possible 95 GeV diphoton excess, we investigate the capability of the Type-I Two-Higgs-Doublet Model (2HDM-I) to explain this signal under current theoretical and experimental constraints. Using full Monte Carlo (MC)…

High Energy Physics - Phenomenology · Physics 2026-03-03 Yabo Dong , Kun Wang , Jingya Zhu

Current interpretations of the LHC results on two Higgs doublet models (2HDM) underestimate the sensitivity due to neglecting higher order effects. In this work, we revisit the impact of these effects using the current cross-section times…

High Energy Physics - Phenomenology · Physics 2019-09-20 Wei Su , Martin White , Anthony G. Williams , Yongcheng Wu

We analyse a light charged Higgs boson in the 2-Higgs Doublet Model (2HDM) Type-I, when its mass satisfies the condition $M_{H^{\pm}} < M_{t}+M_{b}$ and the parameter space is consistent with theoretical requirements of self-consistency as…

High Energy Physics - Phenomenology · Physics 2021-12-22 Yan Wang , A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Qi-Shu Yan

For the general two-Higgs doublet model with Yukawa sector of type II (type II 2HDM), the Higgs alignment limit conditions are obtained for the neutral Higgs bosons with indefinite CP-parity $h_1, h_2$ or $h_3$, based on the symbolic…

High Energy Physics - Phenomenology · Physics 2025-04-09 M. N. Dubinin , E. Yu. Fedotova

The N2HDM is based on the CP-conserving 2HDM extended by a real scalar singlet field. Its enlarged parameter space and its fewer symmetry conditions as compared to supersymmetric models allow for an interesting phenomenology compatible with…

High Energy Physics - Phenomenology · Physics 2019-10-02 Margarete Muhlleitner , Marco O. P. Sampaio , Rui Santos , Jonas Wittbrodt

We confront the Two-Higgs-Doublet Model with a variety of experimental constraints as well as theoretical consistency conditions. The most constraining data are the \bar B\to X_s\gamma decay rate (at low values of M_{H^\pm}), and \Delta\rho…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdul Wahab El Kaffas , Odd Magne Ogreid , Per Osland

We analyze the Next-to-minimal supersymmetric standard model with Grand unification boundary conditions under current theoretical and experimental constraints. We compute the mass spectrum of the model and focus on the three lightest…

High Energy Physics - Phenomenology · Physics 2021-01-11 Marwa Telba , Maien Binjonaid

We consider a Z_2-symmetric Two Higgs Doublet Model (2HDM), where the vacuum expectation values of both doublets are non-vanishing. Unitarity constraints for the SM-like 2HDM are analyzed for the mass of the lightest Higgs boson in the…

High Energy Physics - Phenomenology · Physics 2012-01-09 Bogumila Gorczyca , Maria Krawczyk

Imposing the theoretical constraints from vacuum stability, unitarity and perturbativity as well as the experimental constraints from the electroweak precision data, flavor observables and the non-observation of additional Higgs at…

High Energy Physics - Phenomenology · Physics 2015-06-18 Lei Wang , Xiao-Fang Han

The Two Higgs Doublet Model (2HDM) with spontaneously broken $Z_2$ symmetry predicts a production of domain walls at the electroweak scale. We derive cosmological constraints on model parameters for both Type-I and Type-II 2HDMs from the…

High Energy Physics - Phenomenology · Physics 2021-01-04 Richard A. Battye , Apostolos Pilaftsis , Dominic G. Viatic

The LHC is now studying in detail the couplings of the Higgs boson in order to determine if there is new physics. Many recent studies have examined the available fits to Higgs couplings from the perspective of constraining two Higgs doublet…

High Energy Physics - Phenomenology · Physics 2016-10-12 Li Cheng , German Valencia

We perform comparative studies for four types of the two Higgs Doublet Models (2HDMs) under the precision measurements of the Standard Model (SM) Higgs observables at the proposed Higgs factories. We explore the discovery potential based on…

High Energy Physics - Phenomenology · Physics 2021-02-03 Tao Han , Shuailong Li , Shufang Su , Wei Su , Yongcheng Wu

In this work, we present a study of the neutral Higgs bosons in the two Higgs doublet model (2HDM) in terms of their production processes and decay channels as a function of the model parameters. The analysis is performed for all four types…

High Energy Physics - Phenomenology · Physics 2022-06-01 Majid Hashemi , Neda Nowbakht Ghalati