Absence of CP Violation in the Scalar Sector of a Higgs Triplet Model
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866909975989714944 |
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| author | Escobar, Matheo Olivares, Sebastian |
| author_facet | Escobar, Matheo Olivares, Sebastian |
| contents | We investigate the potential for spontaneous CP violation in a Higgs Triplet Model extension, including a complex singlet scalar. We demonstrate that the scalar potential strictly forbids spontaneous CP violation across the entire parameter space. For a non-zero trilinear coupling $κ$, minimization conditions combined with global symmetries enforce a phase alignment that yields a real vacuum. In the singular limit $κ\to 0$, we show that the enhancement of global symmetries renders unphysical vacuum phases. Consequently, we conclude that the scalar sector of this model cannot source CP violation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_21735 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Absence of CP Violation in the Scalar Sector of a Higgs Triplet Model Escobar, Matheo Olivares, Sebastian High Energy Physics - Phenomenology We investigate the potential for spontaneous CP violation in a Higgs Triplet Model extension, including a complex singlet scalar. We demonstrate that the scalar potential strictly forbids spontaneous CP violation across the entire parameter space. For a non-zero trilinear coupling $κ$, minimization conditions combined with global symmetries enforce a phase alignment that yields a real vacuum. In the singular limit $κ\to 0$, we show that the enhancement of global symmetries renders unphysical vacuum phases. Consequently, we conclude that the scalar sector of this model cannot source CP violation. |
| title | Absence of CP Violation in the Scalar Sector of a Higgs Triplet Model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.21735 |