TeV-scale B − L model with a flat Higgs potential at the Planck scale: In view of the hierarchy problem
By Satoshi Iso, Y. Orikasa. 2012
136 citations recorded by the source corpus.
The recent discovery of the Higgs-like particle at around 126 GeV has given us a big hint towards the origin of the Higgs potential. Especially the running quartic coupling vanishes near the Planck scale, which indicates a possible link between the physics in the electroweak and the Planck scales. Motivated by this and the hierarchy problem, we investigate a possibility that the Higgs has a flat potential at the Planck scale. In particular, we study the RG analysis of the B − L extension of the standard model [1] with a classical conformality. The B − L symmetry is radiatively broken at the TeV scale via the Coleman-Weinberg mechanism. The electroweak symmetry breaking is triggered by a radiatively generated scalar mixing so that its scale 246 GeV is dynamically related with the B − L breaking scale at TeV. The Higgs boson mass is given at the border of the stability bound, which is lowered by a few GeV from the SM by the effect of the B − L gauge interaction.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/b07e99d4dbc0d18c2aaec7924f21ec1524dbcf78
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In Nuclear and High Energy Physics
Citations in the corpus
- Emergence of the electroweak scale through the Higgs portal (2013, background): “First model-building implications of a ∼ 125 GeV Higgs have also been looked at in [19].”
- Higgs inflation from Standard Model criticality (2014, background): “In this paper, we pursue the possibility that λ(μmin) ' 0 is realized by a principle beyond the ordinary local field theory, such as the multiple point criticality principle [35, 113, 114], classical conformality [26–31, 115–117], asymptotic safety [118], the hidden duality and symmetry [119, 120], ”