The RG-improved Twin Higgs effective potential at NNLL
Sep 19, 2016Citations per year
Abstract: (Springer)
We present the Renormalization Group improvement of the Twin Higgs effective potential at cubic order in logarithmic accuracy. We first introduce a model-independent low-energy effective Lagrangian that captures both the pseudo-Nambu-Goldstone boson nature of the Higgs field and the twin light degrees of freedom charged under a copy of the Standard Model. We then apply the background field method to systematically re-sum all the one loop diagrams contributing to the potential. We show how this technique can be efficient to implicitly renormalize the higher-dimensional operators in the twin sector without classifying all of them. A prediction for the Higgs mass in the Twin Higgs model is derived and found to be of the order of M ∼ 120 GeV with an ultraviolet cut-off m ∼ 10–20 TeV. Irrespective of any possible ultraviolet completion of the low-energy Lagrangian, the infrared degrees of freedom alone are therefore enough to account for the observed value of the Higgs mass through running effects.Note:
- 28 pages, 6 figures
- Renormalization Group
- Beyond Standard Model
- Effective field theories
- Spontaneous Symmetry Breaking
- effective potential: Higgs
- Higgs particle: mass
- operator: higher-dimensional
- higher-order: 2
- energy: low
- renormalization group
References(24)
Figures(6)
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