The European Physical Journal C

, Volume 50, Issue 3, pp 573–578 | Cite as

Quark–lepton complementarity with lepton and quark mixing data predict θ13 PMNS=(9+1 -2

  • B.C. Chauhan
  • M. Picariello
  • J. Pulido
  • E. Torrente-Lujan
Regular Article - Theoretical Physics

Abstract

The complementarity between the quark and lepton mixing matrices is shown to provide a robust prediction for the neutrino mixing angle θ13 PMNS. We obtain this prediction by first showing that the matrix VM, product of the CKM and PMNS mixing matrices, may have a zero (1,3) entry, which is favored by the experimental data. Hence models with bimaximal or tribimaximal forms of the correlation matrix VM are quite possible. Any theoretical model with a vanishing (1,3) entry of VM, which is in agreement with the quark data, and the solar and the atmospheric mixing angle leads to θ13 PMNS=(9+1 -2)°. This value is consistent with the present 90% CL experimental upper limit.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • B.C. Chauhan
    • 1
  • M. Picariello
    • 2
  • J. Pulido
    • 1
  • E. Torrente-Lujan
    • 3
  1. 1.Centro de Física Teórica das Partículas (CFTP) Departamento de FísicaInstituto Superior Técnico Av. Rovisco PaisLisboaPortugal
  2. 2.Dipartimento di FisicaUniversità di Lecce and INFN-LecceLecceItaly
  3. 3.Dep. de Fisica, Grupo de Fisica TeoricaUniv. de MurciaMurciaSpain

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