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A flavor symmetry model for bilarge leptonic mixing and the lepton masses
KTH, Superseded Departments, Physics.ORCID iD: 0000-0002-3525-8349
2002 (English)In: Nuclear Physics B, ISSN 0550-3213, Vol. 643, no 03-jan, 247-279 p.Article in journal (Refereed) Published
Abstract [en]

We present a model for leptonic mixing and the lepton masses based on flavor symmetries and higher-dimensional mass operators. The model predicts bilarge leptonic mixing (i.e., the mixing angles theta(12) and theta(23) are large and the mixing angle theta(13) is small) and an inverted hierarchical neutrino mass spectrum. Furthermore, it approximately yields the experimental hierarchical mass spectrum of the charged leptons. The obtained values for the leptonic mixing parameters and the neutrino mass squared differences are all in agreement with atmospheric neutrino data, the Mikheyev-Smirnov-Wolfenstein large mixing angle solution of the solar neutrino problem, and consistent with the upper bound on the reactor mixing angle. Thus, we have a large, but not close to maximal, solar mixing angle theta(12), a nearly maximal atmospheric mixing angle theta(23), and a small reactor mixing angle theta(13). In addition, the model predicts theta(12) similar or equal to pi/4 - theta(13).

Place, publisher, year, edition, pages
Elsevier Science B.V. , 2002. Vol. 643, no 03-jan, 247-279 p.
Keyword [en]
Neutrino mass models, Leptonic mixing, Neutrino masses, Charged lepton masses, Flavor symmetries, Higher-dimensional operators
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-22023DOI: 10.1016/S0550-3213(02)00689-2ISI: 000179045600012OAI: oai:DiVA.org:kth-22023DiVA: diva2:340721
Note
QC 20100525Available from: 2011-06-17 Created: 2010-08-10 Last updated: 2011-06-17Bibliographically approved

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Publisher's full textNuclear Physics Bhttp://arxiv.org/abs/hep-ph/0206087

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