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Quantum corrections to the effective neutrino mass operator in 5D MSSM

Aldo Deandrea, Pierre Hosteins, Micaela Oertel, Julien Welzel

hep-pharXiv:hep-ph/0611172

Abstract

We discuss in detail a five-dimensional Minimal Supersymmetric Standard Model compactified on S1/Z2 extended by the effective Majorana neutrino mass operator. We study the evolution of neutrino masses and mixings. Masses and angles, in particular the atmospheric mixing angle θ23, can be significantly lowered at high energies with respect to their value at low energy.

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