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- Title
Noise characteristics of low-background Hamamatsu R11410-20 photomultiplier tubes.
- Authors
Akimov, D.; Bolozdynya, A.; Efremenko, Yu.; Kaplin, V.; Kovalenko, A.; Melikyan, Yu.; Sosnovtsev, V.; Shakirov, A.; Khromov, A.
- Abstract
The RED-100 two-phase liquid xenon emission detector is developed today for the experiment aimed at searching for elastic coherent neutrino scattering off atomic nuclei. The main elements of the photodetector system of the RED-100 detector are Hamamatsu R11410-20 photomultiplier tubes (PMTs) dedicated for low-background experiments and liquid xenon environment. The basic characteristics of the PMTs are investigated, in particular, noise pulses and afterpulses, which may cause difficulties in searching for rare events. Amplitude distributions of the noise pulses and time distributions of the afterpulses, as well as the dependences of the noise pulse rate on the PMT bias voltage and the temperature are presented.
- Subjects
NOISE measurement; PHOTOMULTIPLIERS; XENON; NEUTRINO scattering; ATOMIC nucleus
- Publication
Instruments & Experimental Techniques, 2015, Vol 58, Issue 3, p406
- ISSN
0020-4412
- Publication type
Article
- DOI
10.1134/S002044121502013X