Dirac neutrinos and hybrid inflation from string theory | Zendy

Stefan Antusch | Zendy; Oliver J Eyton-Williams | Zendy; Stephen F. King | Zendy

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Dirac neutrinos and hybrid inflation from string theory

Author(s) -

Stefan Antusch,

Oliver J Eyton-Williams,

Stephen F. King

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/08/103

Subject(s) - compactification (mathematics) , physics , neutrino , yukawa potential , particle physics , sterile neutrino , dirac (video compression format) , lepton , extra dimensions , string theory , theoretical physics , neutrino oscillation , quantum mechanics , electron , mathematics , pure mathematics

We consider a possible scenario for the generation of Dirac neutrino massesmotivated by Type I string theory. The smallness of the neutrino Yukawacouplings is explained by an anisotropic compactification with onecompactification radius larger than the others. In addition to this we utilisesmall Yukawa couplings to develop strong links between the origin of neutrinomasses and the physics driving inflation. We construct a minimal model whichsimultaneously accommodates small Dirac neutrino masses leading to bi-largelepton mixing as well as an inflationary solution to the strong CP and to the$\mu$ problem.Comment: 24 pages, 3 figures, typos corrected, reference added to section

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