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Gravitational interaction of neutrinos in models with large extra dimensions

  • M. Fabbrichesi
  • M. Piai
  • G. Tasinato
Theoretical Physics

Abstract.

Whenever fields are allowed to propagate in different portions of space-time, the four-dimensional theory exhibits an effective violation of the principle of equivalence. We discuss the conditions under which such an effect is relevant for neutrino physics. In the simplest case of compactification on a flat manifold, the effect of gravity is many orders of magnitude too weak and plays no role for solar neutrino oscillations. Instead, it could be important in the study of ultra high energy neutrinos in cosmic rays. Gravity could also be relevant for lower energy neutrino processes involving bulk sterile states, if the mechanism of compactification is more subtle than that on torii.

Keywords

Lower Energy Extra Dimension Sterile State Neutrino Oscillation Solar Neutrino 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg / Società Italiana di Fisica 2003

Authors and Affiliations

  • M. Fabbrichesi
    • 1
  • M. Piai
    • 1
  • G. Tasinato
    • 1
  1. 1.INFN, Sezione di Trieste and Scuola Internazionale Superiore di Studi Avanzati, via Beirut 4, 34014 Trieste, Italy IT

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