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Simplest neutrino mixing from S 4 symmetry
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Krishnan, R., Harrison, P. F. and Scott, W. G. (2013) Simplest neutrino mixing from S 4 symmetry. Journal of High Energy Physics, Volume 2013 (Number 4). Article no. 87. doi:10.1007/JHEP04(2013)087 ISSN 1029-8479.
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Official URL: http://dx.doi.org/10.1007/JHEP04(2013)087
Abstract
In 2004, two us proposed a texture, the “Simplest” neutrino mass matrix, which predicted sinθ13=2Δm2sol/3Δm2atm−−−−−−−−−−−−−√ and δ CP = 90°. Using today’s measured values for neutrino mass-squared differences, this prediction gives sin22θ13≃0.086+0.003−0.006 , compared with a measured value, found by averaging the results of the Daya Bay and RENO experiments, of sin22θ 13 = 0.093 ± 0.010. Here we present a specific model based on S 4 symmetry leading to this successful texture in the context of the type-1 see-saw mechanism, assuming Majorana neutrinos. In this case, slightly different predictions are obtained relating θ 13 to the light neutrino masses, which are in accord with current experimental limits and testable at future experiments. Large CP asymmetries remain a generic prediction of the texture.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of High Energy Physics | ||||
Publisher: | Springer | ||||
ISSN: | 1029-8479 | ||||
Official Date: | April 2013 | ||||
Dates: |
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Volume: | Volume 2013 | ||||
Number: | Number 4 | ||||
Page Range: | Article no. 87 | ||||
DOI: | 10.1007/JHEP04(2013)087 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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