Searches for Heavy Neutral Leptons at FCC-ee in final states including a muon
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| Main Authors: | , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866914059893342208 |
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| author | Bellagamba, L Polesello, G Valle, N. |
| author_facet | Bellagamba, L Polesello, G Valle, N. |
| contents | The sensitivity of the CERN FCC-ee collider to the production of heavy neutral leptons (HNL) is investigated. The study focuses on a simplified model with a single low-mass HNL mixing with a muon, and addresses the fully leptonic and semileptonic decay modes of the HNL. Complete Monte Carlo analyses of signal and background based on a parametrised detector simulation are performed for the FCC-ee run at the $Z$-pole, resulting in an estimate of the intervals of the mixing parameter for which the FCC-ee will have a 95% CL sensitivity as a function of the HNL mass. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_19464 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Searches for Heavy Neutral Leptons at FCC-ee in final states including a muon Bellagamba, L Polesello, G Valle, N. High Energy Physics - Experiment High Energy Physics - Phenomenology The sensitivity of the CERN FCC-ee collider to the production of heavy neutral leptons (HNL) is investigated. The study focuses on a simplified model with a single low-mass HNL mixing with a muon, and addresses the fully leptonic and semileptonic decay modes of the HNL. Complete Monte Carlo analyses of signal and background based on a parametrised detector simulation are performed for the FCC-ee run at the $Z$-pole, resulting in an estimate of the intervals of the mixing parameter for which the FCC-ee will have a 95% CL sensitivity as a function of the HNL mass. |
| title | Searches for Heavy Neutral Leptons at FCC-ee in final states including a muon |
| topic | High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2503.19464 |