Neutrino dipole portal at a high energy $μ-$collider
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866917799418396672 |
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| author | Barducci, Daniele Dondarini, Alessandro |
| author_facet | Barducci, Daniele Dondarini, Alessandro |
| contents | We study the phenomenology of $d=6$ dipole portal operators connecting active and sterile neutrinos at a futuristic muon collider. These operators can be the dominant portal between the Standard Model and the New Physics sector in scenarios in which the active-sterile mixing is suppressed. We identify two production modes for sterile neutrinos: one proceeding through the exchange of an $s-$channel electroweak boson and one arising from the fusion of an electroweak boson with a Standard Model lepton. We study the expected reach on the operators suppression scale for these different production mechanisms, showing that the latter offers the best sensitivity and allowing to test a New Physics scale in the $\sim 10\;$TeV range. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_09609 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Neutrino dipole portal at a high energy $μ-$collider Barducci, Daniele Dondarini, Alessandro High Energy Physics - Phenomenology We study the phenomenology of $d=6$ dipole portal operators connecting active and sterile neutrinos at a futuristic muon collider. These operators can be the dominant portal between the Standard Model and the New Physics sector in scenarios in which the active-sterile mixing is suppressed. We identify two production modes for sterile neutrinos: one proceeding through the exchange of an $s-$channel electroweak boson and one arising from the fusion of an electroweak boson with a Standard Model lepton. We study the expected reach on the operators suppression scale for these different production mechanisms, showing that the latter offers the best sensitivity and allowing to test a New Physics scale in the $\sim 10\;$TeV range. |
| title | Neutrino dipole portal at a high energy $μ-$collider |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2404.09609 |