Calibration Detector for Crystal Ball
[Examensarbete för kandidatexamen]
Crystal Ball is a detector which can be used for detection of high energy protons, but this task requires a potentially tedious and expensive process of calibration. In this study, a test setup using a single NaI crystal from the Crystal Ball was considered to investigate the possibility of using cosmic muons to calibrate the Crystal Ball. The study was performed by simulating the process using the Geant4 toolkit. A program was written to simulate the passage of cosmic muons and protons through the Crystal Ball crystal, record the deposited energy and correlate these to each other. A setup which can be used for finding the correlation experimentally is proposed. Using the results from the experiment, it is possible to calibrate all crystals in Crystal Ball using cosmic muons.
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