Abstract
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 H ∼ 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.
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ArXiv ePrint: 1609.05922
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Greco, D., Mimouni, K. The RG-improved Twin Higgs effective potential at NNLL. J. High Energ. Phys. 2016, 108 (2016). https://doi.org/10.1007/JHEP11(2016)108
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DOI: https://doi.org/10.1007/JHEP11(2016)108