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Guo, HK; Li, YY; Liu, T2; Ramsey-Musolf, M; Shu, J1,4,5
Lepton-flavored electroweak baryogenesis
Source PublicationPHYSICAL REVIEW D
AbstractWe explore lepton-flavored electroweak baryogenesis, driven by CP-violation in leptonic Yukawa sector, using the tau - mu system in the two Higgs doublet model as an example. This setup generically yields, together with the flavor-changing decay h -> tau mu, a tree-level Jarlskog invariant that can drive dynamical generation of baryon asymmetry during a first-order electroweak phase transition and results in CP-violating effects in the decay h -> tau tau. We find that the observed baryon asymmetry can be generated in parameter space compatible with current experimental results for the decays h -> tau mu, h -> tau tau, and tau -> mu gamma, as well as the present bound on the electric dipole moment of the electron. The baryon asymmetry generated is intrinsically correlated with the CP-violating decay h -> tau tau and the flavor-changing decay h -> tau mu, which thus may serve as "smoking guns" to test lepton-flavored electroweak baryogenesis.
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Document Type期刊论文
Affiliation1.Univ Massachusetts, Amherst Ctr Fundamental Interact, Dept Phys, Amherst, MA 01003 USA
2.Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
3.Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
4.CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
5.CAS Ctr Excellence Particle Phys, Beijing 100049, Peoples R China
6.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Guo, HK,Li, YY,Liu, T,et al. Lepton-flavored electroweak baryogenesis[J]. PHYSICAL REVIEW D,2017,96(11):115034.
APA Guo, HK,Li, YY,Liu, T,Ramsey-Musolf, M,&Shu, J.(2017).Lepton-flavored electroweak baryogenesis.PHYSICAL REVIEW D,96(11),115034.
MLA Guo, HK,et al."Lepton-flavored electroweak baryogenesis".PHYSICAL REVIEW D 96.11(2017):115034.
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