Neutrino mass ordering and &mu;-&tau; reflection symmetry breaking

Zhi-zhong Xing; Jing-yu Zhu

doi:10.1088/1674-1137/41/12/123103

Chinese Physics C> 2017, Vol. 41> Issue(12) : 123103 DOI: 10.1088/1674-1137/41/12/123103

Neutrino mass ordering and μ-τ reflection symmetry breaking

Zhi-zhong Xing ^1,2,3,, ,
Jing-yu Zhu ^1,2,,

1.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3.
Center for High Energy Physics, Peking University, Beijing 100080, China

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Abstract：
If the neutrino mass spectrum turns out to be m₃ < m₁ < m₂, it may be relabeled as m'₁ < m'₂ < m'₃ such that all the masses of fundamental fermions with the same electrical charges are in order. In this case the columns of the 3×3 lepton flavor mixing matrix U should be reordered accordingly, and the resulting pattern U' may involve one or two large mixing angles in the standard parametrization or its variations. Since the Majorana neutrino mass matrix remains unchanged in such a mass relabeling, a possible μ-τ reflection symmetry is respected in this connection and its breaking effects are model-independently constrained at the 3σ level by using current experimental data.
- neutrinos ,
- flavor symmetry ,
- mass hierarchy

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Zhi-zhong Xing and Jing-yu Zhu. Neutrino mass ordering and μ-τ reflection symmetry breaking[J]. Chinese Physics C, 2017, 41(12): 123103. doi: 10.1088/1674-1137/41/12/123103

Zhi-zhong Xing and Jing-yu Zhu. Neutrino mass ordering and μ-τ reflection symmetry breaking[J]. Chinese Physics C, 2017, 41(12): 123103. doi: 10.1088/1674-1137/41/12/123103 shu

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Received: 2017-07-14
Revised: 2017-09-22

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Supported by National Natural Science Foundation of China (11135009, 11375207)

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沈阳化工大学材料科学与工程学院沈阳 110142

Neutrino mass ordering and μ-τ reflection symmetry breaking

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Neutrino mass ordering and μ-τ reflection symmetry breaking

Corresponding author: Zhi-zhong Xing,

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