Discovery prospects for electron and neutron electric dipole moments in the general two Higgs doublet model

Hou, Wei-Shu; Kumar, Girish; Teunissen, Sven

doi:10.1103/physrevd.109.l011703

Cited by 2 publications

(1 citation statement)

References 42 publications

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“…We note that in the C2HDM the stringent eEDM bounds can only be evaded either close to the CP-conserving limit of the model, or in scenarios where cancellations between diagrams with different neutral scalar particles occur [62][63][64]. 4 Also, henceforth HB stands for HiggsBounds and HT for HiggsTools.…”

Section: Jhep05(2024)127mentioning

confidence: 99%

Impact of new experimental data on the C2HDM: the strong interdependence between LHC Higgs data and the electron EDM

Biekötter,

Fontes,

Mühlleitner

et al. 2024

J. High Energ. Phys.

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The complex two-Higgs doublet model (C2HDM) is one of the simplest extensions of the Standard Model with a source of CP-violation in the scalar sector. It has a $${\mathbb{Z}}_{2}$$ symmetry, softly broken by a complex coefficient. There are four ways to implement this symmetry in the fermion sector, leading to models known as Type-I, Type-II, Lepton-Specific and Flipped. In the latter three models, there is a priori the surprising possibility that the 125 GeV Higgs boson couples mostly as a scalar to top quarks, while it couples mostly as a pseudoscalar to bottom quarks. This “maximal” scenario was still possible with the data available in 2017. Since then, there have been more data on the 125 GeV Higgs boson, direct searches for CP-violation in angular correlations of τ-leptons produced in Higgs boson decays, new results on the electron electric dipole moment, new constraints from LHC searches for additional Higgs bosons and new results on b → sγ transitions. Highlighting the crucial importance of the physics results of LHC’s Run 2, we combine all these experiments and show that the “maximal” scenario is now excluded in all models. Still, one can have a pseudoscalar component in $$h\tau \overline{\tau }$$ couplings in the Lepton-Specific case as large as 87% of the scalar component for all mass orderings of the neutral scalar bosons.

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Section: Jhep05(2024)127mentioning

confidence: 99%

Impact of new experimental data on the C2HDM: the strong interdependence between LHC Higgs data and the electron EDM

Biekötter,

Fontes,

Mühlleitner

et al. 2024

J. High Energ. Phys.

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Searching for Extra Higgs Boson Effects in General Two-Higgs Doublet Model (2HDM)

Hou

2024

Symmetry

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Starting from our current impasse at the LHC, of observing an SM-like Higgs boson but nothing beyond, we focus on the General 2HDM (G2HDM), which possesses extra sets of Yukawa couplings as a likely Next New Physics. After expounding its merits, we explore our “Decadal Mission of the New Higgs/Flavor era”, reporting on an Academic Summit Project (ASP) in Taiwan that conducts a four-pronged pursuit of G2HDM: CMS and Belle II searches, a lattice study of first-order electroweak phase transition, and phenomenology. The ASP Midterm report is based on ATLAS and CMS searches for cg→tH/tA→ttc¯, where H and A are exotic neutral scalar bosons, and now progressing onto a post-Midterm cg→bH+→btb¯ search, where H+ is the exotic charged Higgs boson, plus a few other searches at the LHC, all with discovery potential. We then discuss a plethora of flavor observables that can be explored by CMS and Belle II, as well as other dedicated experiments. Finally, we elucidate why G2HDM, providing myriad new dynamics, can remain well hidden so far. This brief report summarizes the progress of the ASP of the NSTC of Taiwan.

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Discovery prospects for electron and neutron electric dipole moments in the general two Higgs doublet model

Cited by 2 publications

References 42 publications

Impact of new experimental data on the C2HDM: the strong interdependence between LHC Higgs data and the electron EDM

Impact of new experimental data on the C2HDM: the strong interdependence between LHC Higgs data and the electron EDM

Searching for Extra Higgs Boson Effects in General Two-Higgs Doublet Model (2HDM)

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