Spontaneous CP Violation and Flavor Changing Neutral Currents in Minimal SO(10)
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866909536553533440 |
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| author | Gao, Xiyuan |
| author_facet | Gao, Xiyuan |
| contents | We explore spontaneous CP violation (SCPV) in the minimal non-supersymmetric SO(10) grand unified theory (GUT), with a scalar sector comprising a CP-even $45_H$, a $126_H$, and a complex $10_H$. All renormalizable couplings are real due to CP symmetry, and the Kobayashi-Maskawa phase arises solely from complex electroweak vacuum expectation values. The model requires an additional Higgs doublet fine-tuned below 500 GeV and constrains new Yukawa couplings, linking certain flavor-violating (FV) processes. Future proton decay observations may reveal correlated FV decay ratios, offering insights into minimal SO(10). |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_00196 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Spontaneous CP Violation and Flavor Changing Neutral Currents in Minimal SO(10) Gao, Xiyuan High Energy Physics - Phenomenology High Energy Physics - Experiment We explore spontaneous CP violation (SCPV) in the minimal non-supersymmetric SO(10) grand unified theory (GUT), with a scalar sector comprising a CP-even $45_H$, a $126_H$, and a complex $10_H$. All renormalizable couplings are real due to CP symmetry, and the Kobayashi-Maskawa phase arises solely from complex electroweak vacuum expectation values. The model requires an additional Higgs doublet fine-tuned below 500 GeV and constrains new Yukawa couplings, linking certain flavor-violating (FV) processes. Future proton decay observations may reveal correlated FV decay ratios, offering insights into minimal SO(10). |
| title | Spontaneous CP Violation and Flavor Changing Neutral Currents in Minimal SO(10) |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2412.00196 |