On the Robustness of type-II Seesaw Collider Searches
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866910047375720448 |
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| author | Englert, Christoph Mitra, Manimala Naskar, Wrishik Saha, Subham |
| author_facet | Englert, Christoph Mitra, Manimala Naskar, Wrishik Saha, Subham |
| contents | Electroweak triplet Higgs sector extensions are well-motivated scenarios to address lepton flavour observations. These models can also be strongly constrained by combining precise, indirect low-energy measurements with direct searches for exotic, doubly charged Higgs bosons. Together, these searches set competitive constraints on the type-II seesaw mechanism. In this work, we consider extensions of the type-II seesaw, specifically through the lens of a modified collider phenomenology. Surveying motivated extensions, we map out changes in expected correlations, focusing on the modified production and decay phenomenology of exotic Higgs particles. This enables us to assess the robustness of the type-II seesaw collider constraints against extended new-physics contributions that modify standard sensitivity expectations and projections. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_09244 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | On the Robustness of type-II Seesaw Collider Searches Englert, Christoph Mitra, Manimala Naskar, Wrishik Saha, Subham High Energy Physics - Phenomenology Electroweak triplet Higgs sector extensions are well-motivated scenarios to address lepton flavour observations. These models can also be strongly constrained by combining precise, indirect low-energy measurements with direct searches for exotic, doubly charged Higgs bosons. Together, these searches set competitive constraints on the type-II seesaw mechanism. In this work, we consider extensions of the type-II seesaw, specifically through the lens of a modified collider phenomenology. Surveying motivated extensions, we map out changes in expected correlations, focusing on the modified production and decay phenomenology of exotic Higgs particles. This enables us to assess the robustness of the type-II seesaw collider constraints against extended new-physics contributions that modify standard sensitivity expectations and projections. |
| title | On the Robustness of type-II Seesaw Collider Searches |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2603.09244 |