Cosmological Relaxation of the Electroweak Scale

Graham, Peter W.; Kaplan, David E.; Rajendran, Surjeet

doi:10.1103/physrevlett.115.221801

Cited by 652 publications

(1,121 citation statements)

References 58 publications

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“…This can be realised in explicit simple models with extra vector-like fermions, described by a QCD-like fundamental Lagrangian. The electroweak scale could be linked to the new strong interactions in a more subtle way as in [45] or [46] or because of dark matter.…”

Section: Jhep03(2016)144mentioning

confidence: 99%

What is the γγ resonance at 750 GeV?

Franceschini

Giudice

Kamenik

et al. 2016

J. High Energ. Phys.

229

396

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Run 2 LHC data show hints of a new resonance in the diphoton distribution at an invariant mass of 750 GeV. We analyse the data in terms of a new boson, extracting information on its properties and exploring theoretical interpretations. Scenarios covered include a narrow resonance and, as preliminary indications suggest, a wider resonance. If the width indications persist, the new particle is likely to belong to a strongly-interacting sector. We also show how compatibility between Run 1 and Run 2 data is improved by postulating the existence of an additional heavy particle, whose decays are possibly related to dark matter.

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Section: Jhep03(2016)144mentioning

confidence: 99%

What is the γγ resonance at 750 GeV?

Franceschini

Giudice

Kamenik

et al. 2016

J. High Energ. Phys.

229

396

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show abstract

“…In regard to this, we simply adopt the schemes suggested in [1]. One option is to generate V br through the QCD anomaly.…”

Section: Jhep01(2016)149 3 a Uv Model With High Scale Supersymmetrymentioning

confidence: 99%

“…This option corresponds to the minimal model, however generically is in conflict with the axion solution to the strong CP problem. Alternative option is to introduce a new hidden gauge interaction which confines around the weak scale and generates a back reaction potential given by [1,16] …”

Section: Jhep01(2016)149 2 Exponentially Long Relaxion From Multiple mentioning

confidence: 99%

“…Recently a new approach to address the hierarchy problem has been proposed in [1]. The scheme introduces a scalar degree of freedom, the relaxion φ, making the Higgs boson mass a dynamical field depending on φ.…”

Section: Introductionmentioning

confidence: 99%

“…Right after the relaxion crosses the point µ h (φ) = 0, so that µ 2 h (φ) becomes negative, a nonzero Higgs vacuum expectation value (VEV) is developed and a Higgs-dependent back reaction potential begins to operate to stabilize the relaxion. 1 One can then arrange the model parameters in a technically natural way to result in the relaxion stabilized at a point where the corresponding Higgs VEV is much smaller than the initial Higgs boson mass.…”

Section: Introductionmentioning

confidence: 99%

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Realizing the relaxion from multiple axions and its UV completion with high scale supersymmetry

Choi

2016

J. High Energ. Phys.

241

301

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We discuss a scheme to implement the relaxion solution to the hierarchy problem with multiple axions, and present a UV-completed model realizing the scheme. All of the N axions in our model are periodic with a similar decay constant f well below the Planck scale. In the limit N ≫ 1, the relaxion φ corresponds to an exponentially long multi-helical flat direction which is shaped by a series of mass mixing between nearby axions in the compact field space of N axions. With the length of flat direction given by ∆φ = 2πf eff ∼ e ξN f for ξ = O(1), both the scalar potential driving the evolution of φ during the inflationary epoch and the φ-dependent Higgs boson mass vary with an exponentially large periodicity of O(f eff ), while the back reaction potential stabilizing the relaxion has a periodicity of O(f ). A natural UV completion of our scheme can be found in high scale or (mini) split supersymmetry (SUSY) scenario with the axion scales generated by SUSY breaking as f ∼ √ m SUSY M * , where the soft SUSY breaking scalar mass m SUSY can be well above the weak scale, and the fundamental scale M * can be identified as the Planck scale or the GUT scale.

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Constraining Exotic Interactions

Ficek

Budker

2018

Annalen der Physik

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Beyond-the-standard-model interactions mediated by an exchange of virtual "new" bosons result in a finite set of possible effective interaction potentials between standard-model particles such as electrons and nucleons. The classification of such potentials is discussed and recent experiments searching for such exotic interactions at spatial scales from sub-nanometers to tens of thousand kilometers are briefly reviewed. standard model. We begin with a presentation of a nonrelativistic framework used to deal with fundamental interactions carried by spin-0 and spin-1 bosons at lowenergy scales and then we explore some of the systems used to give such constraints at various scales.

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Cosmological Relaxation of the Electroweak Scale

Cited by 652 publications

References 58 publications

What is the γγ resonance at 750 GeV?

What is the γγ resonance at 750 GeV?

Realizing the relaxion from multiple axions and its UV completion with high scale supersymmetry

Constraining Exotic Interactions

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