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The Dilaton-like Higgs boson with scalar singlet dark matter
High Energy Physics - Phenomenology · Submitted 7 Jul 2016
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We found that the magnitude of the dilaton-$\gamma\gamma$ and dilaton-glue-glue coupling is constrained to be close to the standard model values.
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The abstract, sentence by sentence
We study a model with a Higgs-like dilaton and a Standard Model gauge-singlet scalar dark matter candidate. We begin by updating the status of identifying the observed 125 GeV Higgs-like boson with the pseudo Nambu-Goldstone boson that arises from the spontaneous breaking of scale invariance using recent Higgs boson signal strength measurements by the ATLAS and CMS collaborations. We then constrain the extended model with recent constraints on the Higgs invisible width, the observed dark matter relic abundance and the latest dark matter direct detection limits. We found that the magnitude of the dilaton-$\gamma\gamma$ and dilaton-glue-glue coupling is constrained to be close to the standard model values. The mass of the dark matter candidate is contrained to be greater than half the dilaton mass by relic abundance limits and Higgs invisible width limits. Dark matter direct detection limits allow only small mass regions which will be further constrained by upcoming DEAP measurements.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We study a model with a Higgs-like dilaton and a Standard Model gauge-singlet scalar dark matter candidate. | contribution 0.98 | 0.40 | 0.04 | asserted 0.93 |
| s1 | We begin by updating the status of identifying the observed 125 GeV Higgs-like boson with the pseudo Nambu-Goldstone boson that arises from the spontaneous breaking of scale invariance using recent Higgs boson signal strength measurements by the ATLAS and CMS collaborations. | contribution 0.70 | 0.75 | 0.04 | unclear 0.50 |
| s2 | We then constrain the extended model with recent constraints on the Higgs invisible width, the observed dark matter relic abundance and the latest dark matter direct detection limits. | method 0.77 | 0.87 | 0.06 | asserted 0.96 |
| s3 | We found that the magnitude of the dilaton-$\gamma\gamma$ and dilaton-glue-glue coupling is constrained to be close to the standard model values. | result 1.00 | 0.92 | 0.23 | asserted 1.00 |
| s4 | The mass of the dark matter candidate is contrained to be greater than half the dilaton mass by relic abundance limits and Higgs invisible width limits. | result 1.00 | 0.81 | 0.19 | asserted 1.00 |
| s5 | Dark matter direct detection limits allow only small mass regions which will be further constrained by upcoming DEAP measurements. | result 0.84 | 0.53 | 0.12 | asserted 0.92 |
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The paper
Original abstract
We study a model with a Higgs-like dilaton and a Standard Model gauge-singlet scalar dark matter candidate. We begin by updating the status of identifying the observed 125 GeV Higgs-like boson with the pseudo Nambu-Goldstone boson that arises from the spontaneous breaking of scale invariance using recent Higgs boson signal strength measurements by the ATLAS and CMS collaborations. We then constrain the extended model with recent constraints on the Higgs invisible width, the observed dark matter relic abundance and the latest dark matter direct detection limits. We found that the magnitude of the dilaton-$\gamma\gamma$ and dilaton-glue-glue coupling is constrained to be close to the standard model values. The mass of the dark matter candidate is contrained to be greater than half the dilaton mass by relic abundance limits and Higgs invisible width limits. Dark matter direct detection limits allow only small mass regions which will be further constrained by upcoming DEAP measurements.
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How the literature uses it
2 arXiv papers cite this in 3 sentences
Papers citing it · 2 sentences without a confident label
Cites it as background 1 paper
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For more accurate investigation, we acknowledge, for instance, Refs. [ref] and references therein.
A unified composite model of inflation and dark matter in the Nambu-Jona-Lasinio theory · CD Relic abundance · 0.80
What it cites · 52 sentences without a confident label
Uses the method or tool of 6 papers
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In our work we will use the parametrization introduced in [ref] , where the coupling of the dilaton to the top quark is given by [equation] where $δ=Δ_H-1$, and $Δ_H$ is the scaling dimension of the scalar operator in the CFT.
Resonance at 125 GeV: Higgs or Dilaton/Radion? · The Dilaton Like Higgs with a Scalar Singlet · 0.95
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We will follow and use the approach and recent results of Cline et al [ref] (See also [ref] for a calculation of the nucleon matrix elements).
The strangeness content of the nucleon from effective field theory and phenomenology · Direct Detection · 0.99
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We will follow and use the approach and recent results of Cline et al [ref] (See also [ref] for a calculation of the nucleon matrix elements).
The chiral representation of the $\pi N$ scattering amplitude and the pion-nucleon sigma term · Direct Detection · 0.99
Uses data or values from 4 papers
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In Section III we study the constraints that the Higgs properties puts on the parameters of the model using a Markov Chain Monte Carlo fit using the most recent ATLAS CMS combined results for the $√(s)=7$ and 8 TeV data sets [ref] .
Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC $pp$ collision data at $\sqrt{s}=$ 7 and 8 TeV · Introduction · 0.97
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If the dilaton is to mimic the SM Higgs boson, its branching ratio to invisible final states must lie below the most recent $95%$ CL upper bound from the ATLAS collaboration of $BR(H→inv.)<0.28$ [ref] .
Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector · Invisible Dilaton Width · 0.94
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In addition to the signal strengths we include an additional observable in the fit which is the bound derived in [ref] on the total width of the Higgs boson of $6.1^+7.7_-2.9$ MeV.
Total Width of 125 GeV Higgs Boson · Fit to Higgs Signal Strengths Using Markov Chain Monte Carlo · 1.00
Compares with 5 papers
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We find that our results are consistent with results obtained in a similar analysis but with the $7$ TeV data set [ref] .
Resonance at 125 GeV: Higgs or Dilaton/Radion? · Fit to Higgs Signal Strengths Using Markov Chain Monte Carlo · 1.00
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We find that our results are consistent with results obtained in a similar analysis but with the $7$ TeV data set [ref] .
A Higgslike Dilaton · Fit to Higgs Signal Strengths Using Markov Chain Monte Carlo · 1.00
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We find that our results are consistent with results obtained in a similar analysis but with the $7$ TeV data set [ref] .
A higgs-like dilaton: viability and implications · Fit to Higgs Signal Strengths Using Markov Chain Monte Carlo · 1.00
Cites as background 4 papers
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In the case of elementary fermions, in theories of conformal technicolor, fermion masses arise from couplings of fermions to a scalar operator with the quantum numbers of the Higgs [ref] .
Resonance at 125 GeV: Higgs or Dilaton/Radion? · The Dilaton Like Higgs with a Scalar Singlet · 0.90
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It is also possible to study the phenomenology a light dilaton in the presence of a fundamental scalar and this has led to recent work focusing on Higgs-dilaton mixing and how this scenario can be probed at the LHC [ref] ; however, we do not consider that here.
Minimal Dilaton Model · Naturalness of the Standard Model · 0.99
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It is also possible to study the phenomenology a light dilaton in the presence of a fundamental scalar and this has led to recent work focusing on Higgs-dilaton mixing and how this scenario can be probed at the LHC [ref] ; however, we do not consider that here.
Higgs Phenomenology in the Minimal Dilaton Model after Run I of the LHC · Naturalness of the Standard Model · 0.99
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