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Related papers: The CP-conserving 2HDM after the 8 TeV run

200 papers

To explain the observed muon anomaly and simultaneously evade bounds from lepton flavor violation in the same model parameter space is a long cherished dream. In view of a generalized Two Higgs Doublet Model, with a Yukawa structure as a…

High Energy Physics - Phenomenology · Physics 2021-12-22 Nivedita Ghosh , Jayita Lahiri

Motivated by recent results from the LHC experiments, we analyze Higgs couplings in two Higgs doublet models with an approximate PQ symmetry. Models of this kind can naturally accommodate sizable modifications to Higgs decay patterns while…

High Energy Physics - Phenomenology · Physics 2015-06-04 Kfir Blum , Raffaele Tito D'Agnolo

We perform a comprehensive study of the allowed parameter space of the Two Higgs Doublet Model of Type II (2HDM-II). Using the theoretical framework flavio we combine the most recent flavour, collider and electroweak precision observables…

High Energy Physics - Phenomenology · Physics 2022-05-26 Oliver Atkinson , Matthew Black , Alexander Lenz , Aleksey Rusov , James Wynne

In this work, we discuss a distinctive $pp\to {\rm Higgs}\to Z'Z'\to 4l$ ($l=e,\mu$) signal at the Large Hadron Collider (LHC), where the `Higgs' label refers to the SM-like Higgs state discovered in 2012 or a lighter one in the framework…

High Energy Physics - Phenomenology · Physics 2023-03-14 Yaşar Hiçyılmaz , Shaaban Khalil , Stefano Moretti

We study the alignment of Yukawa couplings in the framework of general two Higgs doublet models (2HDMs) considering a scenario in which the lightest neutral Higgs boson is purely CP even while the two heavier neutral Higgs bosons are…

High Energy Physics - Phenomenology · Physics 2020-11-11 Seong Youl Choi , Jae Sik Lee , Jubin Park

In extensions of two Higgs doublet models with vectorlike quarks, the decays of vectorlike quarks may easily be dominated by cascade decays through charged or neutral Higgs bosons leading to signatures with 6 top or bottom quarks. Since top…

High Energy Physics - Phenomenology · Physics 2020-08-26 Radovan Dermisek , Enrico Lunghi , Navin McGinnis , Seodong Shin

This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the Minimal Supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP…

High Energy Physics - Experiment · Physics 2008-11-26 DELPHI Collaboration , J. Abdallah

Updated LHC data on the new 126 GeV boson during the 7 and 8 TeV runnings strengthen the standard model Higgs boson interpretation further. Through the global $\chi^2$ analysis, we investigate whether the new particle could be one of the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Sanghyeon Chang , Sin Kyu Kang , Jong-Phil Lee , Kang Young Lee , Seong Chan Park , Jeonghyeon Song

We use the recently developed code 2HDME to perform a 2-loop renormalization group analyzis of the CP violating Two-Higgs-doublet model (2HDM). Using parameter scans of several scenarios of Z2 symmetry breaking, we investigate the…

High Energy Physics - Phenomenology · Physics 2019-09-13 Joel Oredsson , Johan Rathsman

In this study, we investigate the Large Hadron Collider (LHC) search for the signal process $pp\to A \to Z^{*}h \to \ell^{+} \ell^{-} b \bar{b}$ ($\ell=e,\mu$) within the framework of the 2-Higgs-Doublet Model (2HDM) Type-I, considering an…

High Energy Physics - Phenomenology · Physics 2025-09-01 S. Alanazi , S. Moretti , A. G. Akeroyd

The LHC Higgs data is showing a gradual inclination towards the SM result and realization of an SM-like limit becomes essential for BSM scenarios to survive. Considering the accuracy that can be achieved in future colliders, BSMs that…

High Energy Physics - Phenomenology · Physics 2019-08-28 Dipankar Das , Ipsita Saha

We study the CP-conserving flipped (Type-Y) Two-Higgs-Doublet Model (2HDM) in the large-$\tan\beta$ regime ($\tan\beta>30$), focusing on its implications for electroweak phase transitions (EWPTs) and LHC phenomenology. Viable parameter…

High Energy Physics - Phenomenology · Physics 2026-05-15 Jidong Du , Yun Jiang , Wei Su

Measurements of a Higgs boson at the Large Hadron Collider (LHC) have become increasingly consistent with the predictions of the Standard Model (SM). This fact puts severe constraints on many potential low-energy extensions of the Higgs…

High Energy Physics - Phenomenology · Physics 2019-09-04 Emily Hanson , William Klemm , Roger Naranjo , Yvonne Peters , Apostolos Pilaftsis

In this paper, we study the CP violating processes in a general two-Higgs-doublet model (2HDM) with tree-level flavor changing neutral currents. In this model, sizable Yukawa couplings involving top and charm quarks are still allowed by the…

High Energy Physics - Phenomenology · Physics 2022-11-22 Syuhei Iguro , Yuji Omura

The ATLAS and CMS experiments at the Large Hadron Collider (LHC) at CERN have searched for signals of new physics, in particular for supersymmetry. The data collected until 2012 at center-of-mass energies of 7 and 8 TeV and integrated…

High Energy Physics - Experiment · Physics 2016-09-07 Christian Autermann

We report on the possibility of observing Higgs sector CP violation of the minimal supersymmetric standard model at a hadron machine. The CP phase dependent cross-sections for the $VH_i$ associated production processes are given for the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Abdesselam Arhrib , Dilip Kumar Ghosh , Otto C. W. Kong

The charged fermion mass matrices are invariant under $U(1)^3$ symmetry linked to the fermion number transformation. Under the condition that the definition of this symmetry in arbitrary weak basis does not depend upon Higgs parameters such…

High Energy Physics - Phenomenology · Physics 2015-05-20 Anjan S. Joshipura , Bhavik P. Kodrani

We discuss possible signatures of the $CP$-odd scalar of two-doublet models at the LHC. We find that the inclusive two-photon decay mode and the decay sequence $A^0 \rightarrow Zh, h \rightarrow \gamma \gamma$, where $h$ is a $CP$-even…

High Energy Physics - Phenomenology · Physics 2016-09-01 Dimitris Kominis

The CP-odd Higgs boson $A^0$ of the Minimal Supersymmetric Standard Model (MSSM) and Two Higgs Doublet Model (2HDM) will usually decay into the heaviest possible fermion -- antifermion pair available. The $A^0 \to VV$ decay where, $V…

High Energy Physics - Phenomenology · Physics 2007-05-23 Abdesslam Arhrib , Rachid Benbrik , Bryan Field

We perform a comprehensive study of the Higgs sector in the framework of the next-to-minimal supersymmetric standard model with CP-violating parameters in the superpotential and in the soft-supersymmetry-breaking sector. Since the CP is no…

High Energy Physics - Phenomenology · Physics 2014-11-21 Kingman Cheung , Tie-Jiun Hou , Jae Sik Lee , Eibun Senaha