Work

Impact of fermionic electroweak multiplet dark matter on vacuum stability with one-loop matching

Year: 2019

Type: article

Abstract: We investigate the effect of fermionic electroweak multiplet dark matter models on the stability of the electroweak vacuum using two-loop renormalization group equations (RGEs) and one-loop matching conditions. Such a treatment is crucial to obtain reliable conclusions, compared with one-loop RGEs and tree-level matching conditions. In addition, we find that the requirement of perturbativity up to the Planck scale would give strong and almost mass-independent constraints on the Yukawa couplings in the dark sector. We also evaluate these models via the idea of finite naturalness for the Higgs mass fine-tuning issue.

Source: Physical review. D/Physical review. D.

DOI: 10.1103/physrevd.99.055009

Authors: Jin-Wei Wang, Xiao-Jun Bi, Peng-Fei Yin, Zhao-Huan Yu

Institutions: Chinese Academy of Sciences, Institute of High Energy Physics, University of Chinese Academy of Sciences, Sun Yat-sen University

Language: English

Topic: Particle physics theoretical and experimental studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Funders: National Natural Science Foundation of China, Sun Yat-sen University

Awards: G3652150751, G4798351005, G5022187771, G8208351956