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arXiv 0908.1636hep-ph
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弱电SU(4)L x U(1)Y模型中的正则跷跷板机制

Canonical Seesaw Mechanism in Electro-Weak SU(4)L x U(1)Y Models

Adrian Palcu

摘要:

本文证明了正则跷跷板机制可以在一类特殊的电弱SU(4)LxU(1)Y规范模型中自然实现。由此产生的中微子质谱是通过在求解具有高对称性的规范模型的代数方法中调整一个唯一的自由参数“a”来确定的。所有的标准模型唯象都被保留下来,不受发生在m ~ 10^11GeV高破缺尺度的新物理的影响。

英文摘要:

In this paper we prove that the canonical seesaw mechanism can naturally be implemented in a particular class of electro-weak SU(4)L x U(1)Y gauge models. The resulting neutrino mass spectrum is determined by just tuning a unique free parameter 'a' within the algebraical method of solving gauge models with high symmetries. All the Standard Model phenomenology is preserved, being unaffected by the new physics occuring at a high breaking scale m ~ 10^11GeV.

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