Characterization of the low-background Hamamatsu R11410- 20 cryogenic PMTs for the RED100 detector. Issue 1 (January 2016)

• Record Type: Journal Article
• Authors: Akimov, D Yu; Bolozdynya, A I; Efremenko, Yu V; Kaplin, V A; Khromov, A V; Melikyan, Yu A; Sosnovtsev, V V
• Is Part Of: Journal of physics. Volume 675:Issue 1(2016)
• Publication Date: 2016-01
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/675/1/012022
• Languages: English
• ISSNs: 1742-6588

Abstract

Abstract: The RED100 two-phase liquid xenon emission detector for neutrino coherent scattering experiments is equipped with 38 Hamamatsu R11410-20 photomultiplier tubes capable to operate at cryogenic temperatures and made of low background materials. A dedicated characterization procedure has been carried out for each PMT unit to be installed into the detector. The results presented here include single photoelectron analysis, gain curves for a wide range of the bias voltage values, data on dark count rate for 34 PMT samples. Peculiar noise characteristics of selected PMT units are analysed and discussed.