An Investigation on Cooling of CZT Co-Planar Grid Detectors
J. V. Dawson, C. Montag, C. Reeve, J. R. Wilson, K. Zuber
TL;DR
This study investigates how moderate cooling affects CdZnTe detectors used in the COBRA experiment, showing improvements in energy resolution and thresholds, with leakage currents impacting peak widths.
Contribution
It provides quantitative analysis of cooling effects on detector performance, highlighting the role of leakage currents in energy resolution.
Findings
Cooling improves energy resolution and lowers thresholds.
Leakage currents contribute approximately 5 keV to peak widths.
Performance enhancements are quantified as a function of temperature.
Abstract
The effect of moderate cooling on CdZnTe semiconductor detectors has been studied for the COBRA experiment. Improvements in energy resolution and low energy threshold were observed and quantified as a function of temperature. Leakage currents are found to contribute typically 5 keV to the widths of photopeaks.
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