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arXiv 1010.2116hep-ph
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SU中夸克和轻子的跷跷板质量(5)

See-Saw Masses for Quarks and Leptons in SU(5)

Thorsten Feldmann

摘要:

我们建立在最近的论文Grinstein,Redi和Villadoro,其中一个跷跷板一样的机制夸克质量的背景下,自发打破规范味对称性。跷跷板机制是由重狄拉克费米子引起的,这些费米子被添加到标准模型谱中,以使味对称性无异常。在这封信中,我们报告了这些费米子嵌入SU(5)大统一理论的多重态,并讨论了一些有趣的结果。

英文摘要:

We build on a recent paper by Grinstein, Redi and Villadoro, where a see-saw like mechanism for quark masses was derived in the context of spontaneously broken gauged flavour symmetries. The see-saw mechanism is induced by heavy Dirac fermions which are added to the Standard Model spectrum in order to render the flavour symmetries anomaly-free. In this letter we report on the embedding of these fermions into multiplets of an SU(5) grand unified theory and discuss a number of interesting consequences.

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