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Higgs Criticality and the Metastability Bound: a target for future colliders
High Energy Physics - Phenomenology · Submitted 28 Mar 2025
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim If the vacuum metastability bound plays a role in determining the properties of the Higgs boson, the new physics responsible will likely be discovered or excluded in the entire natural region of parameter space at future facilities.
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The abstract, sentence by sentence
New physics at the TeV scale or lower may destabilise the electroweak vacuum. How low could the vacuum instability scale be? This fundamental question may be tied to a deeper understanding of the Higgs potential and its associated hierarchy problem. The scale of vacuum instability can be viewed as an upper bound on the Higgs mass-the so-called vacuum metastability bound-and criticality of the Higgs potential through some underlying mechanism then places our universe at this metastable point. In this report, we summarise recent work developing this eminently testable hypothesis. If the vacuum metastability bound plays a role in determining the properties of the Higgs boson, the new physics responsible will likely be discovered or excluded in the entire natural region of parameter space at future facilities. This makes it a tantalising and attractive target for future colliders.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | New physics at the TeV scale or lower may destabilise the electroweak vacuum. | background 1.00 | 0.05 | 0.05 | hedged possibility 1.00 |
| s1 | How low could the vacuum instability scale be? | gap 0.68 | 0.03 | 0.03 | unclear 0.93 |
| s2 | This fundamental question may be tied to a deeper understanding of the Higgs potential and its associated hierarchy problem. | background 0.97 | 0.06 | 0.05 | hedged possibility 1.00 |
| s3 | The scale of vacuum instability can be viewed as an upper bound on the Higgs mass-the so-called vacuum metastability bound-and criticality of the Higgs potential through some underlying mechanism then places our universe at this metastable point. | background 0.91 | 0.10 | 0.25 | asserted 0.60 |
| s4 | In this report, we summarise recent work developing this eminently testable hypothesis. | contribution 1.00 | 0.34 | 0.07 | asserted 0.88 |
| s5 | If the vacuum metastability bound plays a role in determining the properties of the Higgs boson, the new physics responsible will likely be discovered or excluded in the entire natural region of parameter space at future facilities. | interpretation 0.90 | 0.11 | 0.52 | hedged possibility 1.00 |
| s6 | This makes it a tantalising and attractive target for future colliders. | interpretation 0.74 | 0.06 | 0.20 | asserted 0.96 |
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The paper
Original abstract
New physics at the TeV scale or lower may destabilise the electroweak vacuum. How low could the vacuum instability scale be? This fundamental question may be tied to a deeper understanding of the Higgs potential and its associated hierarchy problem. The scale of vacuum instability can be viewed as an upper bound on the Higgs mass-the so-called vacuum metastability bound-and criticality of the Higgs potential through some underlying mechanism then places our universe at this metastable point. In this report, we summarise recent work developing this eminently testable hypothesis. If the vacuum metastability bound plays a role in determining the properties of the Higgs boson, the new physics responsible will likely be discovered or excluded in the entire natural region of parameter space at future facilities. This makes it a tantalising and attractive target for future colliders.
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References
How the literature uses it
What this paper does with the arXiv papers it cites
What it cites · 44 sentences without a confident label
Uses data or values from 3 papers
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The observed values for the SM parameters suggest a large value for this instability scale of about $e10$ [ref] .
Investigating the near-criticality of the Higgs boson · Metastability bound · 0.95
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The observed values for the SM parameters suggest a large value for this instability scale of about $e10$ [ref] .
Higgs mass and vacuum stability in the Standard Model at NNLO · Metastability bound · 0.95
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We present the results of Ref. [ref] in Fig. [ref].
2502.07876 · Singlet-doublet model · 0.85
Cites as background 30 papers
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These two regimes are separated by a critical value corresponding to the metastability bound, first introduced in Ref. [ref] (see also Refs. [ref] ),
Self-Organised Localisation · Metastability bound · 0.88
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These two regimes are separated by a critical value corresponding to the metastability bound, first introduced in Ref. [ref] (see also Refs. [ref] ),
Higgs criticality in and beyond the Standard Model · Metastability bound · 0.88
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These two regimes are separated by a critical value corresponding to the metastability bound, first introduced in Ref. [ref] (see also Refs. [ref] ),
Vacuum Metastability from Axion-Higgs Criticality · Metastability bound · 0.88
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