High Energy Physics - Phenomenology · arXiv:1307.8181 v1 · submitted 31 Jul 2013
Diphoton and Z photon Decays of Higgs Boson in Gauge-Higgs Unification: A Snowmass white paper
The paper says
“However, we show a very specific and general prediction of the gauge-Higgs unification scenario that KK-mode contributions to the H-Z-gamma coupling do not exist at the 1-loop level.”
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Abstract
In the context of gauge-Higgs unification scenario in a 5-dimensional flat spacetime, we investigate Higgs boson production via gluon fusion and its diphoton and Z gamma decay modes at the LHC. We show that the signal strength of the Higgs diphoton decay mode observed at ATLAS (and CMS), which is considerably larger than the Standard Model expectation, can be explained by a simple gauge-Higgs unification model with color-singlet bulk fermions to which a half-periodic boundary condition is assigned. The bulk fermions with mass at the TeV scale also play a crucial role in reproducing the observed Higgs boson mass of around 125 GeV. One naturally expects that the KK modes also contribute to the effective H-Z-gamma coupling. However, we show a very specific and general prediction of the gauge-Higgs unification scenario that KK-mode contributions to the H-Z-gamma coupling do not exist at the 1-loop level. If the excess of the Higgs to diphoton decay mode persists, its correlation with the Higgs to Z photon decay mode can be a clue to distinguish scenarios beyond the SM, providing a significant improvement of the sensitivity for the Higgs boson signals in the future.
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abstract compiled · 2026-09-23 · no language-model review
How the main claim is stated: asserted 1.00
What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.36 · human participants 0.01 · controlled comparison 0.46 · randomized assignment 0.02 · states quantitative result 0.61 · compares with prior results 0.86 · mentions code or data availability 0.02
The abstract, sentence by sentence
This table labels the abstract only (arXiv listing abstract v1). The number is the probability the classifier gave the label.
| Sentence | Role | The authors' own work | States the main conclusion | Strength |
|---|---|---|---|---|
| In the context of gauge-Higgs unification scenario in a 5-dimensional flat spacetime, we investigate Higgs boson production via gluon fusion and its diphoton and Z gamma decay modes at the LHC. | contribution 0.91 | 0.86 | 0.04 | asserted 0.74 |
| We show that the signal strength of the Higgs diphoton decay mode observed at ATLAS (and CMS), which is considerably larger than the Standard Model expectation, can be explained by a simple gauge-Higgs unification model with color-singlet bulk fermions to which a half-periodic boundary condition is assigned. | result 0.86 | 0.85 | 0.44 | asserted 1.00 |
| The bulk fermions with mass at the TeV scale also play a crucial role in reproducing the observed Higgs boson mass of around 125 GeV. | result 0.91 | 0.62 | 0.08 | asserted 0.98 |
| One naturally expects that the KK modes also contribute to the effective H-Z-gamma coupling. | background 0.77 | 0.10 | 0.04 | hedged possibility 0.84 |
| However, we show a very specific and general prediction of the gauge-Higgs unification scenario that KK-mode contributions to the H-Z-gamma coupling do not exist at the 1-loop level. | result 1.00 | 0.92 | 0.49 | asserted 1.00 |
| If the excess of the Higgs to diphoton decay mode persists, its correlation with the Higgs to Z photon decay mode can be a clue to distinguish scenarios beyond the SM, providing a significant improvement of the sensitivity for the Higgs boson signals in the future. | interpretation 0.84 | 0.16 | 0.23 | hedged possibility 0.95 |
What kind of paper the classifier reports this is: theoretical result 0.99 · evidence from proof or derivation 0.83
What was examined, and what was not
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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,170 input tokens, $0.0002 reported.
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Cited by 2 Pith papers
Reviewed papers on Pith that cite this one. The full citation record
- Minimal Higgs inflation hep-ph · Aug 2013
- Higgs Working Group Report of the Snowmass 2013 Community Planning Study hep-ex · Oct 2013
How the literature uses it
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States the same result 1 paper
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We show a very striking result for the gauge-Higgs unification model, namely, the absence of KK-mode contributions to the H-Z-gamma coupling at the 1-loop level.
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