# Multiple-point principle realized with strong dynamics

**Authors:** Naoyuki Haba, Toshifumi Yamada

arXiv: 1703.04235 · 2017-06-21

## TL;DR

This paper proposes a new Standard Model extension that realizes the multiple-point principle with two minima in the scalar potential, consistent with Higgs mass measurements, involving strong dynamics and predicting new particles around 300 GeV.

## Contribution

It introduces a classically scale-invariant model with strong dynamics that achieves the multiple-point principle without conflicting with experimental Higgs data.

## Key findings

- Scalar potential has two minima at 246 GeV and Planck scale
- Predicts new scalar particles around 300 GeV
- Introduces a light gauge boson coupled to SM fermions

## Abstract

We present a novel extension of the Standard Model which fulfills the multiple-point principle without contradicting the Higgs particle mass measurement. In the model, the scalar potential has two minima where the scalar field has vacuum expectation values of 246 GeV and the Planck mass $\simeq 2.44\times 10^{18}$ GeV, the latter of which is realized by considering a classically scale invariant setup and requiring that the scalar quartic coupling and its beta function vanish at the Planck scale. The Standard Model Higgs field is a mixture of an elementary scalar and composite scalars in a new strongly-coupled gauge theory, and the strong dynamics gives rise to the negative mass for the SM Higgs field, and at the same time, causes separation of the SM Higgs quartic coupling and the quartic coupling for the elementary scalar, which leads to the vanshing of the latter quartic coupling and its beta function at the Planck scale. The model predicts new scalar particles with about 300 GeV mass possessing electroweak charges and Yukawa-type couplings with Standard Model fermions, and a new light gauge boson that couples to Standard Model fermions.

## Full text

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## Figures

4 figures with captions in the complete paper: https://tomesphere.com/paper/1703.04235/full.md

## References

29 references — full list in the complete paper: https://tomesphere.com/paper/1703.04235/full.md

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Source: https://tomesphere.com/paper/1703.04235