Abstract—
A method for studying the components of the light detection system of the Liquid Argon Time-Projection Chamber (LArTPC) of the Near Detector of the DUNE experiment (DUNE ND) in liquid argon is presented. As part of the methodology, comparative tests of a full-scale light collection module for a liquid argon time-projection chamber and a shortened module were carried out using a cryogenic stand. The light detection efficiency of the full-scale module observed in the study is ~5% less than that of the shortened module. The full-scale module is shown to be suitable for designing the LArTPC Near Detector for the DUNE experiment.
Notes
Since the light output depends on the purity of argon, it should be determined to make absolute measurements.
Based on the test results the collaboration’s publication is under preparation.
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The work was supported by the Russian Science Foundation (grant no. 22-22-00389).
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Selyunin, A.S., Anfimov, N.V., Kuznetsova, K.I. et al. Method for Studying Characteristics of Light Readout Systems in Liquid Argon. Phys. Part. Nuclei Lett. 21, 55–59 (2024). https://doi.org/10.1134/S1547477124010114
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DOI: https://doi.org/10.1134/S1547477124010114