Updated sensitivities to heavy neutral leptons at the LHC far detectors and SHiP
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866914422240313344 |
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| author | Wang, Zeren Simon Zhang, Yu |
| author_facet | Wang, Zeren Simon Zhang, Yu |
| contents | In recent years, a number of experiments dedicated to searches for long-lived particles (LLPs) have been proposed, approved, or have entered operation. While the sensitivities of these experiments to various LLP scenarios have been extensively studied, key aspects--such as detector geometries, background estimates, and projected operational durations--for several facilities, including MATHUSLA, ANUBIS, and SHiP, have undergone significant updates. In this work, we implement the latest experimental designs in the Displaced Decay Counter tool for calculating detector acceptances and signal-event yields, and re-evaluate their sensitivity reach to one of the most widely studied LLP scenarios, namely minimal heavy neutral leptons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_13011 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Updated sensitivities to heavy neutral leptons at the LHC far detectors and SHiP Wang, Zeren Simon Zhang, Yu High Energy Physics - Phenomenology High Energy Physics - Experiment In recent years, a number of experiments dedicated to searches for long-lived particles (LLPs) have been proposed, approved, or have entered operation. While the sensitivities of these experiments to various LLP scenarios have been extensively studied, key aspects--such as detector geometries, background estimates, and projected operational durations--for several facilities, including MATHUSLA, ANUBIS, and SHiP, have undergone significant updates. In this work, we implement the latest experimental designs in the Displaced Decay Counter tool for calculating detector acceptances and signal-event yields, and re-evaluate their sensitivity reach to one of the most widely studied LLP scenarios, namely minimal heavy neutral leptons. |
| title | Updated sensitivities to heavy neutral leptons at the LHC far detectors and SHiP |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2512.13011 |