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Twisted Flavors and Tri/bi-Maximal Neutrino Mixing

Naoyuki Haba, Atsushi Watanabe, Koichi Yoshioka

hep-pharXiv:hep-ph/0603116

Abstract

A new framework for handling flavor symmetry breaking in the neutrino sector is discussed where the source of symmetry breaking is traced to the global property of right-handed neutrinos in extra-dimensional space. Light neutrino phenomenology has rich and robust predictions such as the tri/bi-maximal form of generation mixing, controlled mass spectrum, and no need of flavor mixing couplings in the theory.

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