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Benbrik, Rachid; Chen, Chuan Hung; Nomura, Takaaki

doi:10.1103/physrevd.93.095004

Cited by 40 publications

(37 citation statements)

References 63 publications

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“…[9], we show now some phenomenological results on HLFV in the type-III 2HDM. We refer to [31,34,42,46,47,53,56,72,76,78,87,89,124] for additional HLFV phenomenological studies in the 2HDM.…”

Section: Hlfv Phenomenologymentioning

confidence: 99%

Higgs Lepton Flavor Violating Decays in Two Higgs Doublet Models

Vicente

2019

Front. Phys.

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The discovery of a non-zero rate for a lepton flavor violating decay mode of the Higgs boson would definitely be an indication of New Physics. We review the prospects for such signal in Two Higgs Doublet Models, in particular for Higgs boson decays into τ µ final states. We will show that this scenario contains all the necessary ingredients to provide large flavor violating rates and still be compatible with the stringent limits from direct searches and low-energy flavor experiments.1

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Section: Hlfv Phenomenologymentioning

confidence: 99%

Higgs Lepton Flavor Violating Decays in Two Higgs Doublet Models

Vicente

2019

Front. Phys.

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“…It was found that the same FCNC coupling in the quark sector can help to resolve R D and R D * excesses by the charged-Higgs mediation [12,59]. In addition, the tree-level FCNCs in the lepton sector not only can resolve the muon g − 2 anomaly, but also can provide a large BR to the lepton-flavor violating process, such as h → τ μ, for which the details can be found in our previous work [60].…”

Section: Introductionmentioning

confidence: 98%

“…To obtain the scalar couplings to the quarks and leptons in the model, the Yukawa sector is written as [60,68] …”

Section: Charged-higgs Yukawa Couplings In the Thdmmentioning

confidence: 99%

“…Although the errors in the current observation are still large, any significant deviations from the SM results can indicate the new physics [18,62]. Based on the current experimental indications and from a phenomenological viewpoint, we investigate the impacts of a charged-Higgs on the semileptonic B decays in a generic two-Higgs-doublet model (THDM) [12,59,60].…”

Section: Introductionmentioning

confidence: 99%

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Charged-Higgs on $$R_{D^{(*)}}$$ R D ( ∗ ) , $$\tau $$ τ polarization, and FBA

Chen

Nomura²

2017

Eur. Phys. J. C

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We study the influence of a charged-Higgs on the excess of branching fraction ratio,, in a generic twoHiggs-doublet model. In order to investigate the lepton polarization, the detailed decay amplitudes with lepton helicity are given. When the charged-Higgs is used to resolve excesses, it is found that two independent Yukawa couplings are needed to explain the R D and R D * anomalies. We show that when

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“…2 For small mixing, we have H 2 ≃ h and H 3 ≃ ρ. Note also that our case realizes alignment limit β − α ≃ π/2 in two Higgs doublet sector which is consistent with current SM Higgs analysis [17]. In addition, we take into account constraint from h → aa decay which is induced by interaction term 1/(v S )ρ∂ µ a∂ µ a from kinetic term of S. The decay width can be estimated as…”

Section: Jhep03(2017)059mentioning

confidence: 52%

Dark matter physics in neutrino specific two Higgs doublet model

Baek¹,

Nomura²

2017

J. High Energ. Phys.

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Although the seesaw mechanism is a natural explanation for the small neutrino masses, there are cases when the Majorana mass terms for the right-handed neutrinos are not allowed due to symmetry. In that case, if neutrino-specific Higgs doublet is introduced, neutrinos become Dirac particles and their small masses can be explained by its small VEV. We show that the same symmetry, which we assume a global U(1) X , can also be used to explain the stability of dark matter. In our model, a new singlet scalar breaks the global symmetry spontaneously down to a discrete Z 2 symmetry. The dark matter particle, lightest Z 2 -odd fermion, is stabilized. We discuss the phenomenology of dark matter: relic density, direct detection, and indirect detection. We find that the relic density can be explained by a novel Goldstone boson channel or by resonance channel. In the most region of parameter space considered, the direct detections is suppressed well below the current experimental bound. Our model can be further tested in indirect detection experiments such as FermiLAT gamma ray searches or neutrinoless double beta decay experiments.

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h, Z→ℓiℓ¯j,Δ

Cited by 40 publications

References 63 publications

Higgs Lepton Flavor Violating Decays in Two Higgs Doublet Models

Higgs Lepton Flavor Violating Decays in Two Higgs Doublet Models

Charged-Higgs on $$R_{D^{(*)}}$$ R D ( ∗ ) , $$\tau $$ τ polarization, and FBA

Dark matter physics in neutrino specific two Higgs doublet model

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