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High Energy Physics - Phenomenology

arXiv:hep-ph/0505140 (hep-ph)
[Submitted on 16 May 2005 (v1), last revised 15 Jun 2005 (this version, v2)]

Title:Dirac Neutrinos and Hybrid Inflation from String Theory

Authors:Stefan Antusch, Oliver J. Eyton-Williams, Steve F. King
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Abstract: We consider a possible scenario for the generation of Dirac neutrino masses motivated by Type I string theory. The smallness of the neutrino Yukawa couplings is explained by an anisotropic compactification with one compactification radius larger than the others. In addition to this we utilise small Yukawa couplings to develop strong links between the origin of neutrino masses and the physics driving inflation. We construct a minimal model which simultaneously accommodates small Dirac neutrino masses leading to bi-large lepton mixing as well as an inflationary solution to the strong CP and to the $\mu$ problem.
Comments: 24 pages, 3 figures, typos corrected, reference added to section 1
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: SHEP-0514
Cite as: arXiv:hep-ph/0505140
  (or arXiv:hep-ph/0505140v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0505140
Journal reference: JHEP0508:103,2005
Related DOI: https://doi.org/10.1088/1126-6708/2005/08/103

Submission history

From: Oliver Eyton-Williams [view email]
[v1] Mon, 16 May 2005 15:53:46 UTC (49 KB)
[v2] Wed, 15 Jun 2005 15:27:16 UTC (49 KB)
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