Speaker
Description
Precise measurement of high-energy charged particle beam halo is essential for validating beam transport models, optimizing beamline tuning and collimation schemes, and improving machine protection strategies and radiation background control. In this work, we report on the measurement of the halo of a 63 MeV electron beam using a single crystal diamond detector (SCD) operated as a high dynamic range transverse probe. Owing to its fast response, radiation hardness, and low noise, the diamond sensor enables detection of particle fluxes several orders of magnitude below the beam core. The detector was positioned transversely across the beam envelope to record spatially resolved halo profiles at the Argonne Wakefield Accelerator. The measured distributions clearly resolve the halo structure with various charges, bunches, and distances. These results demonstrate the suitability of diamond detectors for high dynamic range halo diagnostics in high-energy electron accelerators and provide a validated methodology for future beam optimization and precision halo characterization studies in particle accelerators.
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