Radiative corrections to the Higgs potential in the LH model
Antonio Dobado, Lourdes Tabares-Cheluci (Madrid U.), Siannah Penaranda, (Zaragoza U.), Javier Rodriguez-Laguna (Carlos III U.)
TL;DR
This paper calculates the radiative corrections to the Higgs potential in the Littlest Higgs model, analyzing how new scalar fields influence Higgs properties and constraining model parameters.
Contribution
It provides a detailed computation of radiative corrections from Higgs and scalar fields in the LH model, completing a series of studies on the Higgs effective potential.
Findings
Radiative corrections significantly affect the Higgs mass and quartic couplings.
Constraints on model parameters are derived from the new contributions.
The work completes a comprehensive analysis of the Higgs potential in the LH model.
Abstract
In this work we compute the radiative corrections to the Higgs mass and the Higgs quartic couplings coming from the Higgs sector itself and the scalar fields in the Littlest Higgs (LH) model. The restrictions that the new contributions set on the parameter space of the models are also discussed. Finally this work, together with our three previous papers, complete our program addressed to compute the relevant contributions to the Higgs low-energy effective potential in the LH model and the analysis of their phenomenological consequences.
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