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arXiv 2108.02240hep-ph
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拟折衷模味对称

Quasi-Eclectic Modular Flavor Symmetries

Mu-Chun Chen, Victor Knapp-Perez, Mario Ramos-Hamud, Saul Ramos-Sanchez, Michael Ratz, Shreya Shukla

摘要:

模味对称性为我们提供了一个新的,有前途的方法来解决味问题。然而,在它们的原始公式中,标准模型场的动力学项没有优选的形式,因此引入了额外的参数,这限制了该方案的预测能力。在这项工作中,我们介绍了计划的准折衷味对称作为一个简单的修复。这些对称是模对称和传统味对称的直接产物,它们自发地破缺为对角模味子群。这使我们能够构建一个版本的Feruglio的模型与Kaehler条款的控制。与此同时,这个起点让人想起从显式弦模型中得到的东西。

英文摘要:

Modular flavor symmetries provide us with a new, promising approach to the flavor problem. However, in their original formulation the kinetic terms of the standard model fields do not have a preferred form, thus introducing additional parameters, which limit the predictive power of this scheme. In this work, we introduce the scheme of quasi-eclectic flavor symmetries as a simple fix. These symmetries are the direct product of a modular and a traditional flavor symmetry, which are spontaneously broken to a diagonal modular flavor subgroup. This allows us to construct a version of Feruglio's model with the Kaehler terms under control. At the same time, the starting point is reminiscent of what one obtains from explicit string models.

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