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Type-I seesaw mechanism for neutrino mass and mixing in gauged B − L model with D4 × Z4 flavor symmetry
Modern Physics Letters A ( IF 1.5 ) Pub Date : 2021-08-26 , DOI: 10.1142/s0217732321501844
V. V. Vien 1, 2 , H. N. Long 3 , D. P. Khoi 4
Affiliation  

In this paper, we study a non-renormalizable U(1)BL extension of the Standard Model with D4 and Z4 symmetries accommodating the most recent neutrino data within the type-I seesaw mechanism. The two squared mass differences and three mixing angles can get the best-fit values while the leptonic Dirac CP phase is in 1σ range of the best-fit values for both normal and inverted orderings. The sum of active neutrino mass and the effective neutrino masses are, respectively, predicted to be mν = 60.03meV, mee = 2.307meV and mβ = 8.903meV for normal ordering while mν = 101.20meV, mee = 49.93meV and mβ = 49.95meV for inverted ordering, which are well consistent with the current experimental constraints.

中文翻译:

具有 D4 × Z4 风味对称性的计量 B-L 模型中中微子质量和混合的 I 型跷跷板机制

在本文中,我们研究了一个不可重整化ü(1)-大号标准模型的扩展D4Z4在 I 型跷跷板机制中容纳最新中微子数据的对称性。两个平方质量差和三个混合角可以获得最佳拟合值,而轻子狄拉克 CP 相处于1σ正常和反向排序的最佳拟合值范围。预计活性中微子质量和有效中微子质量之和分别为 ν = 60.03毫伏特,ee = 2.307毫伏特β = 8.903毫伏特正常订购而 ν = 101.20毫伏特,ee = 49.93毫伏特β = 49.95毫伏特对于倒序,这与当前的实验约束非常一致。
更新日期:2021-08-26
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