Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 794, Issue -, Pages 1-2Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2015.04.066
Keywords
Photomultiplier; Dark count rate; Liquid xenon detector; Rare events; Single photon emission
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Funding
- RF Government
- Ministry of Education and Science [11.G34.31.0049]
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We have shown that high voltage biased Hamamatsu R11410-20 photomultipliers with a dark count rate above 10 kHz emit single photons. The effect has been observed in a few units at room temperature and temperatures reduced down to -60 degrees C. The effect should be taken into account in experiments aimed on search for rare events with small energy depositions in massive liquid xenon detectors. (C) 2015 Elsevier B.V. All rights reserved.
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