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Deviations from tribimaximal neutrino mixing using a model with Δ(27) symmetry
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Harrison, P. F., Krishnan, R. and Scott, W. G. (2014) Deviations from tribimaximal neutrino mixing using a model with Δ(27) symmetry. International Journal of Modern Physics A, 29 (18). 1450095. doi:10.1142/S0217751X1450095X ISSN 0217-751X.
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Official URL: http://dx.doi.org/10.1142/S0217751X1450095X
Abstract
We present a model of neutrino mixing based on the flavor group Δ(27) in order to account for the observation of a nonzero reactor mixing angle (θ13). The model provides a common flavor structure for the charged-lepton and the neutrino sectors, giving their mass matrices a "circulant-plus-diagonal" form. Mass matrices of this form readily lead to mixing patterns with realistic deviations from tribimaximal mixing, including nonzero θ13. With the parameters constrained by existing measurements, our model predicts an inverted neutrino mass hierarchy. We obtain two distinct sets of solutions in which the atmospheric mixing angle lies in the first and the second octants. The first (second) octant solution predicts the lightest neutrino mass, m3~29 meV(m3~65 meV) and the CP phase, , offering the possibility of large observable CP violating effects in future experiments.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | International Journal of Modern Physics A | ||||||||||
Publisher: | World Scientific Publishing Co. | ||||||||||
ISSN: | 0217-751X | ||||||||||
Official Date: | 20 July 2014 | ||||||||||
Dates: |
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Volume: | 29 | ||||||||||
Number: | 18 | ||||||||||
Article Number: | 1450095 | ||||||||||
DOI: | 10.1142/S0217751X1450095X | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
Open Access Version: |
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