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arxiv: hep-ph/0611389 · v2 · submitted 2006-11-30 · ✦ hep-ph

The smallest neutrino mass

Sacha Davidson , Gino Isidori , Alessandro Strumia This is my paper
classification ✦ hep-ph
keywords massneutrinoaffleck-dinebaryogenesiscompatiblecomputeconsidercontribution
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We consider models where one Majorana neutrino is massless at tree level (like the see saw with two right-handed neutrinos), and compute the contribution to its mass m generated by two-loop quantum corrections. The result is m \sim 10^{-13}eV in the SM and m \sim 10^{-10} eV (tanBeta/10)^4 in the MSSM, compatible with the restricted range suggested by Affleck-Dine baryogenesis.

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