10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Upgrade to fixed and translating scintillation-based loss detector system in the Fermilab Drift Tube Linac

MOP096
11 Aug 2025, 16:00
2h
Ballroom A (SAFE Credit Union Convention Center)

Ballroom A

SAFE Credit Union Convention Center

Poster Presentation MC6 - Beam Instrumentation, Controls, AI/ML, and Operational Aspects Monday Poster Session

Speaker

Erin Chen (Fermi National Accelerator Laboratory)

Description

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.

Funding Agency

This manuscript has been authored by Fermi Forward Discovery Group, LLC under Contract No. 89243024CSC000002 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics.

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Author

Erin Chen (Fermi National Accelerator Laboratory)

Co-authors

Andrea Saewert (Fermi National Accelerator Laboratory) Ralitsa Sharankova (Fermi National Accelerator Laboratory)

Presentation materials

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