On the extension of the SM through a scalar quadruplet
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910841732857856 |
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| author | Jurčiukonis, Darius Lavoura, Luís |
| author_facet | Jurčiukonis, Darius Lavoura, Luís |
| contents | We consider the extension of the Standard Model (SM) through a scalar quadruplet with hypercharge either $1/2$ or $3/2$; in the first case, we assume $CP$ invariance of the scalar potential (SP). We write down the unitarity conditions on the SP. We use a partly numerical method to find the bounded-from-below conditions on the SP. We determine the masses of the new scalars of the model. We compute the three- and four-Higgs couplings and compare them to the ones of the SM. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_01628 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the extension of the SM through a scalar quadruplet Jurčiukonis, Darius Lavoura, Luís High Energy Physics - Phenomenology We consider the extension of the Standard Model (SM) through a scalar quadruplet with hypercharge either $1/2$ or $3/2$; in the first case, we assume $CP$ invariance of the scalar potential (SP). We write down the unitarity conditions on the SP. We use a partly numerical method to find the bounded-from-below conditions on the SP. We determine the masses of the new scalars of the model. We compute the three- and four-Higgs couplings and compare them to the ones of the SM. |
| title | On the extension of the SM through a scalar quadruplet |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2406.01628 |