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| Format: | Preprint |
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2025
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| Online Access: | https://arxiv.org/abs/2501.15664 |
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| _version_ | 1866915123222806528 |
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| author | Middleton, Sophie |
| author_facet | Middleton, Sophie |
| contents | Charged lepton flavor violation (CLFV) is expected in a diverse set of new physics scenarios. The current generation of experiments probe CLFV in the muon sector in three complementary channels: $μ^-N \rightarrow e^- N$ (Mu2e, COMET), $μ^+ \rightarrow e^+ γ$ (MEG-II), and $μ^+ \rightarrow e^+e^+e^-$s (Mu3e). These experiments aim to enhance existing limits by several orders-of-magnitude in the coming decade and offer discovery potential to many new physics models. The proposed Advanced Muon Facility (AMF) would be a multi-purpose muon facility based at Fermilab and introduces an innovative approach based on a muon storage ring to enable a full suite of muon CLFV experiments. AMF would host CLFV experiments with sensitivities orders-of-magnitude beyond the present era. In the event of a signal in these currently planned experiments, AMF would enable additional measurements to elucidate the nature of the new physics observed. The design and R$\&$D for AMF is in its infancy. This article outlines the motivations for AMF, detailing on-going R$\&$D efforts, and highlighting potential synergies with the proposed muon collider. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_15664 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Advanced Muon Facility: a proposed multi-purpose muon facility at Fermilab Middleton, Sophie High Energy Physics - Experiment Instrumentation and Detectors Charged lepton flavor violation (CLFV) is expected in a diverse set of new physics scenarios. The current generation of experiments probe CLFV in the muon sector in three complementary channels: $μ^-N \rightarrow e^- N$ (Mu2e, COMET), $μ^+ \rightarrow e^+ γ$ (MEG-II), and $μ^+ \rightarrow e^+e^+e^-$s (Mu3e). These experiments aim to enhance existing limits by several orders-of-magnitude in the coming decade and offer discovery potential to many new physics models. The proposed Advanced Muon Facility (AMF) would be a multi-purpose muon facility based at Fermilab and introduces an innovative approach based on a muon storage ring to enable a full suite of muon CLFV experiments. AMF would host CLFV experiments with sensitivities orders-of-magnitude beyond the present era. In the event of a signal in these currently planned experiments, AMF would enable additional measurements to elucidate the nature of the new physics observed. The design and R$\&$D for AMF is in its infancy. This article outlines the motivations for AMF, detailing on-going R$\&$D efforts, and highlighting potential synergies with the proposed muon collider. |
| title | The Advanced Muon Facility: a proposed multi-purpose muon facility at Fermilab |
| topic | High Energy Physics - Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2501.15664 |