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Dirac neutrinos and hybrid inflation from string theory

Dirac neutrinos and hybrid inflation from string theory
Dirac neutrinos and hybrid inflation from string theory
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.
supersymmetry phenomenology, neutrino physics, compactification and string models
1-18
Antusch, Stephan
d191e7ec-4820-416e-a307-620c7a6d0bfc
Eyton-Williams, Oliver J.
37dd20e1-7d2b-4908-a84d-65abe5abfc21
King, Steve F.
f8c616b7-0336-4046-a943-700af83a1538
Antusch, Stephan
d191e7ec-4820-416e-a307-620c7a6d0bfc
Eyton-Williams, Oliver J.
37dd20e1-7d2b-4908-a84d-65abe5abfc21
King, Steve F.
f8c616b7-0336-4046-a943-700af83a1538

Antusch, Stephan, Eyton-Williams, Oliver J. and King, Steve F. (2005) Dirac neutrinos and hybrid inflation from string theory. The Journal of High Energy Physics, 8 (103), 1-18. (doi:10.1088/1126-6708/2005/08/103).

Record type: Article

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.

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More information

Published date: 31 August 2005
Keywords: supersymmetry phenomenology, neutrino physics, compactification and string models

Identifiers

Local EPrints ID: 56973
URI: https://eprints.soton.ac.uk/id/eprint/56973
PURE UUID: 168176d5-c136-41ac-aa1f-f6e9a8eaaddb

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Date deposited: 13 Aug 2008
Last modified: 13 Mar 2019 20:34

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Contributors

Author: Stephan Antusch
Author: Oliver J. Eyton-Williams
Author: Steve F. King

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