Models of neutrino masses from oscillations with maximal mixing | Zendy

Guido Altarelli | Zendy; Ferruccio Feruglio | Zendy

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Models of neutrino masses from oscillations with maximal mixing

Author(s) -

Guido Altarelli,

Ferruccio Feruglio

Publication year - 1998

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/1998/11/021

Subject(s) - neutrino , majorana , mixing (physics) , physics , particle physics , neutrino oscillation , sterile neutrino , solar neutrino , dirac (video compression format) , simple (philosophy) , solar neutrino problem , matrix (chemical analysis) , quantum mechanics , philosophy , chemistry , epistemology , chromatography

We discuss models of neutrino masses that lead to a large mixing angle foratmospheric neutrino oscillations. In particular we study a mechanism where asimple texture for the Dirac matrix leads to the observed pattern of mixingsfor a continuous range of Majorana matrices in a reasonably natural way. Bothnearly maximal and small mixing solutions for solar neutrinos are compatiblewith this model. Possible dynamical realizations are discussed and a detailedexample in terms of horizontal U(1) charges is presented.Comment: 10 pages, LATEX, no figures; references added; minor changes to clarify the U(1) exampl

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