论文标题

su(6)仪表大统一:最小的可行模型和风味

SU(6) Gauge-Higgs Grand Unification: Minimal Viable Models and Flavor

论文作者

Angelescu, Andrei, Bally, Andreas, Goertz, Florian, Weber, Sascha

论文摘要

仪表大统一理论是量规统一的模型,将电动型组扩展到包括颜色对称性的简单组中。最小的选择是基于SU(6)量规组的量规格统一,在4D中反映了SU(5)Grand Unification,同时为层次结构问题提供了解决方案。我们探索了SU(6)仪表大统一的不同最小和现实的新颖化身。我们将设置提交在自然界中观察到的各种风味层次结构,并利用第五维的力量确定一个嵌入的嵌入,该嵌入提供了令人信服的夸克和叶子模型,该模型自然地解释了质量层次结构和CKM/PMNS结构。我们对Quark - 和Lepton-风味限制(由于肠道性质密切相关)进行了详细的研究,并对在循环水平上产生的HIGGS电位进行了分析。讨论了该模型上的Electroweak精度约束,并分析了丰富的标量扇区。即将到来的实验的未来风味限制将为这类模型提供严格的测试,而标量Singlet和Leptoquark为当前和未来的对撞机实验提供了独特的目标,可以将此解决方案探究本质上各种开放问题。

Gauge-Higgs grand unification theories are models of gauge-Higgs unification that extend the electroweak group into a simple group that includes the color symmetry. The minimal option is a gauge-Higgs grand unification based on the SU(6) gauge group, mirroring SU(5) grand unification in 4D while providing a solution to the hierarchy problem. We explore different minimal and realistic novel incarnations of SU(6) gauge-Higgs grand unification. We submit the setup to the various flavor hierarchies observed in nature and, utilizing the power of the fifth dimension, identify an embedding that provides a compelling model of quarks and leptons that naturally explains the mass hierarchies and the CKM/PMNS structure. We perform a detailed study of quark - and lepton - flavor constraints (which are intimately related due to the GUT nature) together with an analysis of the Higgs potential which arises at the loop level. Electroweak precision constraints on the model are discussed and the rich scalar sector is analyzed. Future flavor constraints from upcoming experiments will provide a stringent test for this class of models, while a scalar singlet and leptoquark provide unique targets for current and future collider experiments to probe this solution to various open questions in nature.

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