The charge response study of LHAASO-WCDA large spherical PMTs
B. Gao*,
C. Liu,
L. Liu,
M. Chen,
K. Li and
X. You*: corresponding author
Pre-published on:
August 17, 2023
Published on:
September 27, 2024
Abstract
The charge response of the detector is very important for data reconstruction and energy spectrum analysis. In this paper, the charge response of LHAASO large size PMT is studied in depth,
including the difference in detection efficiency between MCP and Dynode structure PMTs, and a calibration charge nonlinear method based on continuous optical attenuator is proposed. After the correction from charge calibration, the experimental data can reach a good agreement with the
simulation results.
DOI: https://doi.org/10.22323/1.444.0801
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