Speaker
Description
Diamond detectors are widely used in harsh radiation environments due to their intrinsic radiation hardness. At high particle fluxes, single-particle measurements in counting mode are challenging because of pile-up, requiring a transition to current measurement. In this study, a 500 MBq $^{90}$Sr beta source was used to investigate the limitations of the counting mode and the transition to current mode with diamond detectors. A dedicated readout was implemented using a CIVIDEC ROSY$^®$ data acquisition system, with a simultaneous counting and current mode. Low-noise CIVIDEC charge-sensitive spectroscopic amplifiers with FWHM of 10 ns, 30 ns, 50 ns, 100 ns, and 180 ns were compared. The correlation between the measured count rates and the current was studied.
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