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Hu, Dong; Jiang, Hao-Ran; Li, Hao-Lin; Xiao, Ming-Lei; Yu, Jiang-Hao
Tale of two-U(1) axion models
Source PublicationPHYSICAL REVIEW D
AbstractU(1) global symmetry to solve the strong CP problem could be a remnant of multi-U(1) symmetries from QCD and hidden strong dynamics. Both Peccei-Quinn U(1) and dynamical U(1) are described uniformly, based on which we classify various mixed two-U(1) models to solve both strong CP and quality problems. We propose a moose diagram method with different fermion assignments to directly read relations between CP phases, which illustrate how the strong CP problem is solved in terms of cancellation between CP phases. In two-axion models, we find that the lightest axion is still the same as a QCD axion in the infrared region, while a one-axion model with Z(2) symmetry enhances the axion mass spectrum. Our discussions can be extended to multiaxion cases.
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Document Type期刊论文
Affiliation1.[Hu, Dong
2.Peking Univ, Dept Phys, Beijing 100871, Peoples R China
3.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
4.[Li, Hao-Lin
5.Xiao, Ming-Lei
6.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
7.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
8.Univ Chinese Acad Sci, Sch Fundamental Phys & Math Sci, Hangzhou Inst Adv Study, Hangzhou 310024, Peoples R China
9.Int Ctr Theoret Phys Asia Pacific, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Hu, Dong,Jiang, Hao-Ran,Li, Hao-Lin,et al. Tale of two-U(1) axion models[J]. PHYSICAL REVIEW D,2021,103(9):95025.
APA Hu, Dong,Jiang, Hao-Ran,Li, Hao-Lin,Xiao, Ming-Lei,&Yu, Jiang-Hao.(2021).Tale of two-U(1) axion models.PHYSICAL REVIEW D,103(9),95025.
MLA Hu, Dong,et al."Tale of two-U(1) axion models".PHYSICAL REVIEW D 103.9(2021):95025.
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