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Reproducing lepton mixing in a texture zero model

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons30951

Rodejohann,  Werner
Werner Rodejohann - ERC Starting Grant, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons37607

Watanabe,  Atsushi
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Fulltext (public)

1307.6421.pdf
(Preprint), 186KB

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Citation

Lavoura, L., Rodejohann, W., & Watanabe, A. (2013). Reproducing lepton mixing in a texture zero model. Physics Letters B, B(726), 352-355. Retrieved from http://arxiv.org/abs/1307.6421.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-73A8-1
Abstract
We note that the emerging features of lepton mixing can be reproduced if, with inverted neutrino mass ordering, both the smallest neutrino mass and the $\tau\tau$ element of the neutrino mass matrix vanish. Then, the atmospheric neutrino mixing angle is less than maximal and the Dirac phase $\delta$ is close to $\pi$. We derive the correlations among the mixing parameters and show that there is a large cancellation in the effective mass responsible for neutrinoless $\beta\beta$ decay. Three simple seesaw models leading to our scenario are provided.