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  Reducing θ13 to 9°

Rodejohann, W., & Zhang, H. (2014). Reducing θ13 to 9°. Physics Letters B, 732, 174-181. doi:10.1016/j.physletb.2014.03.040.

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1402.2226.pdf (Preprint), 7MB
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Rodejohann, Werner1, Author           
Zhang, He1, Author
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1Werner Rodejohann - ERC Starting Grant, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907556              

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Free keywords: High Energy Physics - Phenomenology, hep-ph
 Abstract: We propose to consider the possibility that the observed value of θ13 is not the result of a correction from an initially vanishing value, but rather the result of a correction from an initially larger value. As an explicit example of this approach, we consider analytically and numerically well-known CKM-like charged lepton corrections to a neutrino diagonalization matrix that corresponds to a certain mixing scheme. Usually this results in generating θ13= 9° from zero. We note here, however, that 9 is not only given by 0 + 9, but also by 18 - 9. Hence, the extreme case of an initial value of 18 degrees, reduced by charged lepton corrections to 9 degrees, is possible. For some cases under study new sum rules for the mixing parameters, and correlations with CP phases are found.

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Language(s): eng - English
 Dates: 2014-05-01
 Publication Status: Published online
 Pages: 11 pages, 6 figures
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.physletb.2014.03.040
 Degree: -

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Title: Physics Letters B
Source Genre: Journal
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Publ. Info: North-Holland
Pages: - Volume / Issue: 732 Sequence Number: - Start / End Page: 174 - 181 Identifier: ISSN: 0370-2693
CoNE: https://pure.mpg.de/cone/journals/resource/954925524777