Quark masses and mixing from Modular $S'_4$ with Canonical Kähler Effects
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| Format: | Preprint |
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2026
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| _version_ | 1866912997594628096 |
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| author | Varzielas, Ivo de Medeiros Paiva, Manuel |
| author_facet | Varzielas, Ivo de Medeiros Paiva, Manuel |
| contents | We propose a quark flavor model based on modular $S'_4$ with a general CP symmetry. CP violation in the quark sector is entirely realized by the modulus $\langle τ\rangle$. We show that the canonical normalization induced by the Kähler metric plays a crucial role in reproducing the observed hierarchies, while maintaining coupling constants of order $\mathcal{O}(1)$. The minimal model achieves a great fit to the quark sector data, which we take as the PDG 2024 data extrapolated to the GUT scale. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_01422 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quark masses and mixing from Modular $S'_4$ with Canonical Kähler Effects Varzielas, Ivo de Medeiros Paiva, Manuel High Energy Physics - Phenomenology We propose a quark flavor model based on modular $S'_4$ with a general CP symmetry. CP violation in the quark sector is entirely realized by the modulus $\langle τ\rangle$. We show that the canonical normalization induced by the Kähler metric plays a crucial role in reproducing the observed hierarchies, while maintaining coupling constants of order $\mathcal{O}(1)$. The minimal model achieves a great fit to the quark sector data, which we take as the PDG 2024 data extrapolated to the GUT scale. |
| title | Quark masses and mixing from Modular $S'_4$ with Canonical Kähler Effects |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.01422 |