Temperature Dependence Calibration and Correction of the DAMPE BGO Electromagnetic Calorimeter
arXiv:1604.08060 · doi:10.1088/1748-0221/11/07/T07003
Abstract
A BGO electromagnetic calorimeter (ECAL) is built for the DArk Matter Particle Explorer (DAMPE) mission. The effect of temperature on the BGO ECAL was investigated with a thermal vacuum experiment. The light output of a BGO crystal depends on temperature significantly. The temperature coefficient of each BGO crystal bar has been calibrated, and a correction method is also presented in this paper.