Enhanced di-Higgs production from TeV-scale heavy neutral leptons at future lepton colliders
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866915684744691712 |
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| author | Kriewald, Jonathan Pinsard, Emanuelle Teixeira, Ana M. |
| author_facet | Kriewald, Jonathan Pinsard, Emanuelle Teixeira, Ana M. |
| contents | Within the context of heavy neutral lepton extensions of the Standard Model, we consider the rare di-Higgs production mode $\ell^+\ell^-\to hh$ at future high-energy lepton colliders. As a concrete example, we study the impact of a low-scale Inverse Seesaw realisation on the prospects for di-Higgs production. Our results show that the presence of TeV-scale heavy neutral leptons can enhance the cross-section by up to factor 60. We further comment on the interplay with electroweak precision observables, showing that bounds on the di-Higgs production cross-section at future high-energy lepton colliders could serve as complementary probes of low-scale seesaw scenarios. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_16734 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Enhanced di-Higgs production from TeV-scale heavy neutral leptons at future lepton colliders Kriewald, Jonathan Pinsard, Emanuelle Teixeira, Ana M. High Energy Physics - Phenomenology Within the context of heavy neutral lepton extensions of the Standard Model, we consider the rare di-Higgs production mode $\ell^+\ell^-\to hh$ at future high-energy lepton colliders. As a concrete example, we study the impact of a low-scale Inverse Seesaw realisation on the prospects for di-Higgs production. Our results show that the presence of TeV-scale heavy neutral leptons can enhance the cross-section by up to factor 60. We further comment on the interplay with electroweak precision observables, showing that bounds on the di-Higgs production cross-section at future high-energy lepton colliders could serve as complementary probes of low-scale seesaw scenarios. |
| title | Enhanced di-Higgs production from TeV-scale heavy neutral leptons at future lepton colliders |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.16734 |