Upgrade to Fixed and Translating Scintillation-based Loss Detector System in the Fermilab Drift Tube Linac
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866917098257645568 |
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| author | Chen, E. V. Saewert, A. L. Sharankova, R. V. |
| author_facet | Chen, E. V. Saewert, A. L. Sharankova, R. V. |
| contents | The closed-off structure of the Fermilab Drift Tube Linac precludes a robust array of instrumentation from directly monitoring the H- beam that is accelerated from 750 keV to 116 MeV. To improve beam tuning and operational assessment of Drift Tube Linac performance, scintillator-based loss monitors were previously installed along the exterior of the first two accelerating cavities to assess low energy beam losses. Here we present a recent upgrade to the loss monitor system, including significant improvements in analog signal processing to address baseline-interfering noise; digitization of the signals to enable regular operational use and tuning; and a new remote operation upgrade of the translating loss monitor with precise positioning of the loss monitor along its nine-foot track. Data from the fixed and translating detectors collected under varying beam conditions validate the utility of the upgrade. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_17771 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Upgrade to Fixed and Translating Scintillation-based Loss Detector System in the Fermilab Drift Tube Linac Chen, E. V. Saewert, A. L. Sharankova, R. V. Accelerator Physics The closed-off structure of the Fermilab Drift Tube Linac precludes a robust array of instrumentation from directly monitoring the H- beam that is accelerated from 750 keV to 116 MeV. To improve beam tuning and operational assessment of Drift Tube Linac performance, scintillator-based loss monitors were previously installed along the exterior of the first two accelerating cavities to assess low energy beam losses. Here we present a recent upgrade to the loss monitor system, including significant improvements in analog signal processing to address baseline-interfering noise; digitization of the signals to enable regular operational use and tuning; and a new remote operation upgrade of the translating loss monitor with precise positioning of the loss monitor along its nine-foot track. Data from the fixed and translating detectors collected under varying beam conditions validate the utility of the upgrade. |
| title | Upgrade to Fixed and Translating Scintillation-based Loss Detector System in the Fermilab Drift Tube Linac |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2511.17771 |