QLC relation and neutrino mass hierarchy

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Latest measurements have revealed that the deviation from a maximal solar mixing angle is approximately the Cabibbo angle, i.e., QLC relation. We argue that it is not plausible that this deviation from maximality, be it a coincidence or not, comes from the charged lepton mixing. Consequently we have calculated the required corrections to the exactly bimaximal neutrino mass matrix ansatz necessary to account for the solar mass difference and the solar mixing angle. We point out that the relative size of these two corrections depends strongly on the hierarchy case under consideration. We find that the inverted hierarchy case with ... continued below

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Ferrandis, Javier & Pakvasa, Sandip January 27, 2005.

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Latest measurements have revealed that the deviation from a maximal solar mixing angle is approximately the Cabibbo angle, i.e., QLC relation. We argue that it is not plausible that this deviation from maximality, be it a coincidence or not, comes from the charged lepton mixing. Consequently we have calculated the required corrections to the exactly bimaximal neutrino mass matrix ansatz necessary to account for the solar mass difference and the solar mixing angle. We point out that the relative size of these two corrections depends strongly on the hierarchy case under consideration. We find that the inverted hierarchy case with opposite CP parities, which is known to guarantee the RGE stability of the solar mixing angle, offers the most plausible scenario for a high energy origin of a QLC-corrected bimaximal neutrino mass matrix. This possibility may allow us to explain the QLC relation in connection with the origin of the charged fermion mass matrices.

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  • Journal Name: Physical Review D; Related Information: Journal Publication Date: 22 February 2005

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  • Report No.: LBNL-56686
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1103/PhysRevD.71.033004 | External Link
  • Office of Scientific & Technical Information Report Number: 964009
  • Archival Resource Key: ark:/67531/metadc935003

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  • January 27, 2005

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 18, 2016, 4:13 p.m.

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Ferrandis, Javier & Pakvasa, Sandip. QLC relation and neutrino mass hierarchy, article, January 27, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc935003/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.