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High Energy Physics - Phenomenology

arXiv:2111.04010 (hep-ph)
[Submitted on 7 Nov 2021 (v1), last revised 16 Feb 2022 (this version, v2)]

Title:Festina-Lente Bound on Higgs Vacuum Structure and Inflation

Authors:Sung Mook Lee, Dhong Yeon Cheong, Sang Chul Hyun, Seong Chan Park, Min-Seok Seo
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Abstract:The recently suggested Festina-Lente (FL) bound provides a lower bound on the masses of ${\rm U(1)}$ charged particles in terms of the positive vacuum energy. Since the charged particle masses in the Standard Model (SM) are generated by the Higgs mechanism, the FL bound provides a testbed of consistent Higgs potentials in the current dark energy-dominated universe as well as during inflation. We study the implications of the FL bound on the UV behavior of the Higgs potential for a miniscule vacuum energy, as in the current universe. We also present values of the Hubble parameter and the Higgs vacuum expectation value allowed by the FL bound during inflation, which implies that the Higgs cannot stay at the electroweak scale during this epoch.
Comments: 14 pages, 3 figures, v2: version appeared in JHEP, expanded appendix A
Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
Cite as: arXiv:2111.04010 [hep-ph]
  (or arXiv:2111.04010v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2111.04010

Submission history

From: Sung Mook Lee [view email]
[v1] Sun, 7 Nov 2021 05:55:01 UTC (484 KB)
[v2] Wed, 16 Feb 2022 08:56:33 UTC (495 KB)
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