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arxiv: hep-ph/0008110 · v2 · submitted 2000-08-11 · ✦ hep-ph

Natural Mass Generation for the Sterile Neutrino

classification ✦ hep-ph
keywords neutrinosterilemassproblemsolutionbreakingcosmologicaldeeply
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We point out that there is a serious cosmological problem in the supersymmetric standard model if a sterile neutrino is responsible for the solar neutrino oscillation, and propose a possible solution to this problem. We show that our solution induces naturally a mass of order 10^{-4} eV for the sterile neutrino, which is deeply related to the mechanism of supersymmetry breaking.

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