Abstract
The neutrino mass problem of superstring models is discussed and possible solutions are identified. I focus on models with intermediate scales where the gauge group below the Planck scale is restricted. Models in which light E 6 singlets survive after compactification are shown to give rise to new mechanisms of understanding small neutrino masses while avoiding fast proton decay. I also briefly discuss a recently proposed solution to the solar neutrino problem involving the oscillation of the electron neutrino into a new sterile lepton predicted in the superstring theory.
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Valle, J.W.F. (1986). Expectations for Neutrino Mass and Baryon Number Violation in Superstring Models. In: Klapdor, H.V. (eds) Weak and Electromagnetic Interactions in Nuclei. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71689-8_180
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DOI: https://doi.org/10.1007/978-3-642-71689-8_180
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