Abstract
Purpose
To derive the temperature response of the basic unit of the electromagnetic calorimeter of the high energy cosmic-radiation detection (HERD) facility.
Method
Tested a method to measure HERD calorimeter cell (HCC) light yield using an ultraviolet Light-Emitting Diode with a wavelength of 300 nm, and established an experimental setup and tested the light yield of the HCC at different temperatures in a thermal chamber.
Results and conclusions
The result showed that the signal amplitudes variation of the HCC reached up to 10.2% with temperature ranging from 0 to 60 °C, if we narrow the temperature range to 0– 35 °C, the variation was about 3.7% and it showed much better linearity. This result provides a good instruction on the thermal control of the HERD calorimeter (CALO) to improve its performance.
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Acknowledgements
Thank the support from the National Natural Science Foundation of China (Grant Nos. 12027803, 11875097, 11975257) and the support from the International Partnership Program of Chinese Academy of Sciences (Grant No. 113111KYSB20190020).
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Dai, Y., Cui, X., Liu, X. et al. Study on temperature response of the HERD calorimeter cell. Radiat Detect Technol Methods 7, 227–233 (2023). https://doi.org/10.1007/s41605-022-00377-7
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DOI: https://doi.org/10.1007/s41605-022-00377-7