Universal Seesaw from Left-Right and Peccei-Quinn Symmetry Breaking

Details Universal Seesaw from Left-Right and Peccei-Quinn Symmetry Breaking Universal Seesaw from Left-Right and Peccei-Quinn Symmetry Breaking

2010-10-22

arxiv.org/abs/1010.4635v1

Phys.Lett.B698:40-43,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages

Scientific paper

10.1016/j.physletb.2011.02.042

To generate the lepton and quark masses in the left-right symmetric models, we can consider a universal seesaw scenario by integrating out heavy fermion singlets which have the Yukawa couplings with the fermion and Higgs doublets. The universal seesaw scenario can also accommodate the leptogenesis with Majorana or Dirac neutrinos. We show the fermion singlets can obtain their heavy masses from certain global symmetry breaking, which is driven by one complex scalar singlet or two. The global symmetry can be identified to the Peccei-Quinn symmetry since it is mediated to the standard model quarks at tree and/or loop level.

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