Exploring the Focusing Mechanism of the NuMI Horn Magnets
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866915248920854528 |
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| author | Yonehara, Katsuya Ganguly, Sudeshna Wickremasinghe, Don Athula Snopok, Pavel Yu, Yiding |
| author_facet | Yonehara, Katsuya Ganguly, Sudeshna Wickremasinghe, Don Athula Snopok, Pavel Yu, Yiding |
| contents | Neutrinos at the Main Injector (NuMI) is a project at Fermilab that provides an intense beam of neutrinos used by a number of experiments. NuMI creates a beam of pions that decay into neutrinos, muons, and other particles. Muons are registered by the muon monitors. Magnetic horns are the key elements of the NuMI beam line. This paper uses the muon beam profile observed at the muon monitors to study the NuMI horn focusing mechanism. It is found that the horn magnet generates dipole and quadrupole fields to focus pions. This suggests that the optics of the horn magnet are predominantly linear. Our study shows that the muon beam profile accurately detects the horn current within 0.05%. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2305_08695 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Exploring the Focusing Mechanism of the NuMI Horn Magnets Yonehara, Katsuya Ganguly, Sudeshna Wickremasinghe, Don Athula Snopok, Pavel Yu, Yiding Accelerator Physics Neutrinos at the Main Injector (NuMI) is a project at Fermilab that provides an intense beam of neutrinos used by a number of experiments. NuMI creates a beam of pions that decay into neutrinos, muons, and other particles. Muons are registered by the muon monitors. Magnetic horns are the key elements of the NuMI beam line. This paper uses the muon beam profile observed at the muon monitors to study the NuMI horn focusing mechanism. It is found that the horn magnet generates dipole and quadrupole fields to focus pions. This suggests that the optics of the horn magnet are predominantly linear. Our study shows that the muon beam profile accurately detects the horn current within 0.05%. |
| title | Exploring the Focusing Mechanism of the NuMI Horn Magnets |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2305.08695 |