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Matter effects in a rank-1 see-saw model of neutrino masses

This study explores the matter effects in a rank-1 see-saw model of neutrino masses, examining the direction of a single massive sterile eigenstate in space defined by Dirac mass eigenstates. It provides a structure illuminated by a 4x4 analytic example with pseudo-Dirac pairs, along with the content of mass eigenstates for 6x6 pseudo-Dirac pairs. The study concludes that solar neutrinos do not rule out light pseudo-Dirac pairs, and matter effects on other experiments may uncover evidence for light sterile neutrinos.

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Matter effects in a rank-1 see-saw model of neutrino masses

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  1. Matter effects in a rank-1 see-saw model of neutrino masses G. J. Stephenson Jr University of New Mexico with T. Goldman, LANL B. H. J. McKellar, Melbourne dpf-06, Hawaii

  2. Direction of single massive sterile eigenstate in space defined by Dirac mass eigenstates

  3. Structure Illuminated by 4X4 Analytic Example 0 0 For 6 x 6: 2 Pseudo-Dirac pairs

  4. Content of Mass Eigenstates For 6 x 6: 2 Pseudo-Dirac pairs

  5. Schematic matter effect r

  6. CONCLUSIONS • Solar neutrinos do not rule out light pseudo-Dirac pairs • Matter effects on other experiments may be able to uncover evidence for light sterile neutrinos

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