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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.28728 |
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| _version_ | 1866914608908861440 |
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| author | Yang, Jin-Lei Deppisch, Frank F. |
| author_facet | Yang, Jin-Lei Deppisch, Frank F. |
| contents | The hierarchy problem between the electroweak (EW) and Planck scales remains a central puzzle in modern physics. We discuss a promising solution operating through the cosmological selection of the EW vacuum in a multiverse landscape, where the EW scale is dynamically approached as the configuration that maximizes the vacuum energy. By extending the Standard Model with a complex scalar singlet and right-handed neutrinos, charged under a global $U(1)_{B-L}$ symmetry, the model not only explains the smallness of the EW scale. It can also account for neutrino masses via the seesaw mechanism and the matter-antimatter asymmetry via leptogenesis. In addition, it provides a viable dark matter candidate that is testable in future neutrino experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_28728 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Linking the Gauge Hierarchy with Neutrino Masses and Dark Matter via Two-step Cosmological Selection Yang, Jin-Lei Deppisch, Frank F. High Energy Physics - Phenomenology The hierarchy problem between the electroweak (EW) and Planck scales remains a central puzzle in modern physics. We discuss a promising solution operating through the cosmological selection of the EW vacuum in a multiverse landscape, where the EW scale is dynamically approached as the configuration that maximizes the vacuum energy. By extending the Standard Model with a complex scalar singlet and right-handed neutrinos, charged under a global $U(1)_{B-L}$ symmetry, the model not only explains the smallness of the EW scale. It can also account for neutrino masses via the seesaw mechanism and the matter-antimatter asymmetry via leptogenesis. In addition, it provides a viable dark matter candidate that is testable in future neutrino experiments. |
| title | Linking the Gauge Hierarchy with Neutrino Masses and Dark Matter via Two-step Cosmological Selection |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.28728 |