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The simplest neutrino mass matrix
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UNSPECIFIED (2004) The simplest neutrino mass matrix. PHYSICS LETTERS B, 594 (3-4). pp. 324-332. doi:10.1016/j.physletb.2004.05.039 ISSN 0370-2693.
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Official URL: http://dx.doi.org/10.1016/j.physletb.2004.05.039
Abstract
We motivate the simplest ansatz for the neutrino mass matrix consistent with the data from neutrino oscillation experiments, and admitting CP violation. It has only two free parameters: an arbitrary mass-scale and a small dimensionless ratio. This mass matrix exhibits two symmetries, democracy and mutativity, which respectively ensure trimaximal mixing of the \nu(2)> mass eigenstate, and mixing parameter values \theta(23)\ = 45degrees and \delta\ = 90degrees, consistent with bimaximal mixing of the \nu(3)> mass eigenstate. A third constraint relates the smallness of \U-e3\ to that of the mass-squared difference ratio, Delta(msol)(2)/Deltam(atm)(2), yielding the prediction sintheta(13) = root2Deltam(sol)(2)/3Deltam(atm)(2) similar or equal to 0.13+/-0.03. (C) 2004 Elsevier B.V.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICS LETTERS B | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0370-2693 | ||||
Official Date: | 5 August 2004 | ||||
Dates: |
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Volume: | 594 | ||||
Number: | 3-4 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 324-332 | ||||
DOI: | 10.1016/j.physletb.2004.05.039 | ||||
Publication Status: | Published |
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