期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 25, 期 21, 页码 4033-4053出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X1005024X
关键词
Extra U(1); neutrino mass; mu problem
We propose a supersymmetric extra U(1) model, which can generate small neutrino masses and necessary mu terms, simultaneously. Fields including quarks and leptons are embedded in three 27' s of E-6 in a different way among generations. The model has an extra U(1) gauge symmetry at TeV regions, which has discriminating features from other models studied previously. Since a neutrino mass matrix induced in the model has a constrained texture with limited parameters, it can give a prediction. If we impose neutrino oscillation data to fix those parameters, a value of theta(13) can be determined. We also discuss several phenomenological features which are discriminated from the ones of the MSSM.
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