Calibration of diamond detectors for dosimetry in beam-loss monitoring.
2021
Artificially-grown diamond crystals have unique properties that make them suitable as solid-state particle detectors and dosimeters in high-radiation environments. Sensors based on single-crystal diamond grown by chemical vapour deposition have been chosen for dosimetry and beam-loss monitoring at the SuperKEKB collider. We describe the criteria for the selection of the diamond sensors, their purpose-designed mechanical packaging, and the suite of test and calibration procedures adopted to characterise them. The results obtained on 28 detectors are reported, allowing to evaluate the stability and uniformity of the response of these devices.
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