具有S4对称的中微子质量和混合的可重整标准模型扩展

IF 1.1 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

Canadian Journal of Physics Pub Date : 2022-08-10 DOI:10.1139/cjp-2022-0009

V. V. Vien

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引用次数: 1

摘要

我们提出了一个基于S4对称的可重整的标准模型扩展，以适应最近观测到的中微子振荡模式。通过i型跷跷板机制，产生了活性中微子的小质量及其层次。模型生成的中微子参数更新数据中，nhh和IH的反应堆中微子混合角θ13、大气中微子混合角θ23和狄拉克相δ为1 σ范围，太阳混合角θ12 = 35.70°为2σ范围。在允许的约束条件下，NH和IH的有效质量分别为(mee) = 5.74 meV和(mee) = 48.1meV。

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Renormalizable Standard Model Extension with S4 symmetry for neutrino mass and mixing

We suggest a renormalizable Standard model extension based on S4 symmetry which accommodates the recent observed neutrino oscillation pattern. Through the type-I seesaw mechanism, the smallness of the active neutrino mass and its hierarchy are produced. The model generates the the updated data on neutrino parameters in which 1 σ range of the reactor neutrino mixing angle θ13, the atmospheric neutrino mixing θ23 and the Dirac phase δ for both NH and IH while for the solar mixing angle θ12 = 35.70° belongs to 2σ range. The effective masses are found to be (mee) = 5.74 meV for NH and (mee) = 48.1meV for IH within their allowed constraints.

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来源期刊

Canadian Journal of Physics 物理-物理：综合

CiteScore

2.30

自引率

8.30%

发文量

审稿时长

1.7 months

期刊介绍： The Canadian Journal of Physics publishes research articles, rapid communications, and review articles that report significant advances in research in physics, including atomic and molecular physics; condensed matter; elementary particles and fields; nuclear physics; gases, fluid dynamics, and plasmas; electromagnetism and optics; mathematical physics; interdisciplinary, classical, and applied physics; relativity and cosmology; physics education research; statistical mechanics and thermodynamics; quantum physics and quantum computing; gravitation and string theory; biophysics; aeronomy and space physics; and astrophysics.