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
Canadian Journal of Physics 物理-物理:综合
CiteScore
2.30
自引率
8.30%
发文量
65
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.
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