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Status of the aligned two-Higgs-doublet model confronted with the Higgs data
High Energy Physics - Phenomenology · Submitted 17 Dec 2013
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The model can provide the marginally better fit to available Higgs signals data than SM, which requires the Higgs couplings with gauge bosons, $u\bar{u}$ and $d\bar{d}$ to be properly suppressed, and favors (1 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_h=$ 125.5 GeV and (0.5 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_H=$ 125.5 GeV.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
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 collider, we study the implications of available Higgs signals on a two-Higgs-doublet model with the alignment of the down-type quarks and charged lepton Yukawa coupling matrices. Compared to the four traditional types of two-Higgs-doublet models, the model has two additional mixing angles $\theta_d$ and $\theta_l$ in the down-type quark and charged lepton Yukawa interactions. We find that the mixing angle $\theta_d$ can loose the constraints on $sin(\beta-\alpha)$, $tan\beta$ and $m_{H^{\pm}}$ sizably. The model can provide the marginally better fit to available Higgs signals data than SM, which requires the Higgs couplings with gauge bosons, $u\bar{u}$ and $d\bar{d}$ to be properly suppressed, and favors (1 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_h=$ 125.5 GeV and (0.5 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_H=$ 125.5 GeV. However, these Higgs couplings are allowed to have sizable deviations from SM for ($m_h=$ 125.5 GeV, 125.5 $\leq m_H\leq$ 128 GeV) and (125 GeV $\leq m_h\leq$ 125.5 GeV, $m_H=$ 125.5 GeV).
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | 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 collider, we study the implications of available Higgs signals on a two-Higgs-doublet model with the alignment of the down-type quarks and charged lepton Yukawa coupling matrices. | contribution 0.73 | 0.88 | 0.07 | asserted 0.81 |
| s1 | Compared to the four traditional types of two-Higgs-doublet models, the model has two additional mixing angles $\theta_d$ and $\theta_l$ in the down-type quark and charged lepton Yukawa interactions. | background 0.53 | 0.19 | 0.03 | asserted 1.00 |
| s2 | We find that the mixing angle $\theta_d$ can loose the constraints on $sin(\beta-\alpha)$, $tan\beta$ and $m_{H^{\pm}}$ sizably. | result 0.99 | 0.96 | 0.25 | asserted 0.85 |
| s3 | The model can provide the marginally better fit to available Higgs signals data than SM, which requires the Higgs couplings with gauge bosons, $u\bar{u}$ and $d\bar{d}$ to be properly suppressed, and favors (1 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_h=$ 125.5 GeV and (0.5 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_H=$ 125.5 GeV. | result 1.00 | 0.93 | 0.46 | asserted 0.81 |
| s4 | However, these Higgs couplings are allowed to have sizable deviations from SM for ($m_h=$ 125.5 GeV, 125.5 $\leq m_H\leq$ 128 GeV) and (125 GeV $\leq m_h\leq$ 125.5 GeV, $m_H=$ 125.5 GeV). | result 0.99 | 0.85 | 0.17 | asserted 0.68 |
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The paper
Original abstract
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 collider, we study the implications of available Higgs signals on a two-Higgs-doublet model with the alignment of the down-type quarks and charged lepton Yukawa coupling matrices. Compared to the four traditional types of two-Higgs-doublet models, the model has two additional mixing angles $\theta_d$ and $\theta_l$ in the down-type quark and charged lepton Yukawa interactions. We find that the mixing angle $\theta_d$ can loose the constraints on $sin(\beta-\alpha)$, $tan\beta$ and $m_{H^{\pm}}$ sizably. The model can provide the marginally better fit to available Higgs signals data than SM, which requires the Higgs couplings with gauge bosons, $u\bar{u}$ and $d\bar{d}$ to be properly suppressed, and favors (1 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_h=$ 125.5 GeV and (0.5 <\theta_d< 2, 0.5 <\theta_l< 2.2) for $m_H=$ 125.5 GeV. However, these Higgs couplings are allowed to have sizable deviations from SM for ($m_h=$ 125.5 GeV, 125.5 $\leq m_H\leq$ 128 GeV) and (125 GeV $\leq m_h\leq$ 125.5 GeV, $m_H=$ 125.5 GeV).
Human review
References
How the literature uses it
25 arXiv papers cite this in 28 sentences
Papers citing it · 9 sentences without a confident label
Cites it as support 1 paper
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The induced one-loop FCNC Yukawas have been explicitly analysed within the aligned two-Higgs-doublet model (A2HDM) [ref] , and their effects have been found to be small and well below all known experimental constraints, giving further support to the successful phenomenology of this particular new-physics scenario [ref] .
Flavour alignment in multi-Higgs-doublet models · Introduction · 0.97
Cites it as background 17 papers
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The parameter space of the THDM has been extensively scrutinized in the literature, considering LHC data, LEP data, flavour bounds and theoretical constraints [ref] .
Updated global fit of the aligned two-Higgs-doublet model with heavy scalars · Introduction · 0.87
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[ref] and [ref] , respectively, extracting relevant bounds on the model parameters.
Flavour-changing top decays in the aligned two-Higgs-doublet model · Introduction · 0.92
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A large number of papers [ref] performed fits of current data for the 125.5 GeV Higgs-like state (as per the status post Moriond 2013) within the context of 2HDMs, and investigated the consequent phenomenology of the other Higgs states present in the models.
Constraints on and future prospects for Two-Higgs-Doublet Models in light of the LHC Higgs signal · Introduction · 0.87
What it cites · 11 sentences without a confident label
Uses the method or tool of 3 papers
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* [ref] : The code is used to perform a global $χ^2$ fit to the most up-to-date signal strength measurements as of November 2013.
HiggsSignals: Confronting arbitrary Higgs sectors with measurements at the Tevatron and the LHC · numerical calculations · 1.00
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* [ref] : The code is used to implement the constraints from flavor observables, including $B→X_sγ$ [ref] , $B_s→μ^+μ^-$ [ref] , $B_u→τν$ [ref] and $D_s→τν$ [ref] .
Averages of b-hadron, c-hadron, and tau-lepton properties as of early 2012 · numerical calculations · 0.88
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* [ref] : The code is used to implement the exclusion constraints from the neutral and charged Higgses searches at LEP, Tevatron and LHC at 95% confidence level.
HiggsBounds-4: Improved Tests of Extended Higgs Sectors against Exclusion Bounds from LEP, the Tevatron and the LHC · numerical calculations · 1.00
Compares with 4 papers
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Our paper shows that the Higgs couplings to gauge bosons and fermions are not more strongly constrained than Refs. [ref] .
Scrutinizing h(125) in Two Higgs Doublet Models at the LHC, ILC, and Muon Collider · Scenario B · 0.98
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Our paper shows that the Higgs couplings to gauge bosons and fermions are not more strongly constrained than Refs. [ref] .
Higgcision in the Two-Higgs Doublet Models · Scenario B · 0.98
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Our paper shows that the Higgs couplings to gauge bosons and fermions are not more strongly constrained than Refs. [ref] .
Towards a general analysis of LHC data within two-Higgs-doublet models · Scenario B · 0.98
Cites as background 6 papers
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Refs. [ref] assumes the both Higgs doublet fields ($Φ_1$ and $Φ_2$) to couple to the up-type quarks, down-type quarks and charged leptons with aligned Yukawa matrices.
Towards a general analysis of LHC data within two-Higgs-doublet models · Scenario B · 0.89
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There are also some works on the Higgs properties in the A2HDM after the discovery of Higgs boson [ref] .
Scrutinizing h(125) in Two Higgs Doublet Models at the LHC, ILC, and Muon Collider · Introduction · 0.95
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There are also some works on the Higgs properties in the A2HDM after the discovery of Higgs boson [ref] .
Higgcision in the Two-Higgs Doublet Models · Introduction · 0.95
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