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arXiv 1104.1935hep-ph
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质量的味规模型的无菌颗粒

Sterile Particles from the Flavor Gauge Model of Masses

Adam Smetana

摘要:

右手中微子的存在来自于最近提出的基于动力学味规范对称性破缺的电弱对称性破缺模型的理论一致性。只有有限数量的版本的模型存在。它们的区别在于右手中微子的数量和味道结构。我们选择其中之一进行检查,非最小的版本与右手中微子在六重味表示,并在某些点上,我们比较它与最小的版本。我们发现,一个Majorana配对的六重右手中微子是负责味对称性破缺,和跷跷板模式的中微子质量矩阵自然出现。动态产生的中微子质量矩阵自发地打破了轻子数和右手中微子扇区的手征无菌对称性。结果,出现了强子和中微子复合体的光谱。我们研究了大质量无菌中微子和强子的主要特征,这些特征表明它们与暗物质候选者的相关性。

英文摘要:

The existence of right-handed neutrinos follows from theoretical consistence of the recently suggested electroweak symmetry breaking model, based on dynamical flavor gauge symmetry breaking. Only finite number of versions of the model exists. They differ by the number and the flavor structure of the right-handed neutrinos. We choose for inspection one of them, the non-minimal version with right-handed neutrinos in sextet flavor representation, and at some points we compare it with the minimal version. We show that a Majorana pairing of the sextet right-handed neutrinos is responsible for the flavor symmetry breaking, and the seesaw pattern of the neutrino mass matrix naturally arises. The dynamically generated neutrino mass matrix spontaneously breaks the lepton number and the chiral sterility symmetry of the right-handed neutrino sector. As a result spectrum of majorons, neutrino composites, manifests. We study main characteristics of both massive sterile neutrinos and majorons which show their relevance as dark matter candidates.

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