Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-05-20
Phys.Rev. D70 (2004) 113014
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages in LaTeX, 4 figures, References added
Scientific paper
10.1103/PhysRevD.70.113014
We construct a family of simple gauge models in which three sterile neutrinos become naturally light by virtue of a generalized seesaw mechanism involving a chiral gauge symmetry. Examples where the chiral gauge group is SU(5)', SU(7)', SU(3)' and/or their descendants are presented. A unified model based on SO(10) x SO(10)' which embeds many of these models is constructed wherein three light sterile neutrinos are just as natural as the three ordinary neutrinos. These gauge models have relevance to current neutrino oscillation data, including the LSND anomaly.
Babu K. S.
Seidl Gerhart
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