Low Temperature Tests of Photomultipliers for Use in Liquid Xenon Experiments

Details Low Temperature Tests of Photomultipliers for Use in Liquid Xenon Experiments Low Temperature Tests of Photomultipliers for Use in Liquid Xenon Experiments

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005idm..conf..402h&link_type=abstract

THE IDENTIFICATION OF DARK MATTER. Proceedings of the Fifth International Workshop. Held 6-10 September 2004 in Edinburgh, UK. E

Physics

Scientific paper

Eleven developmental 128mm hemispherical quartz photomultipliers were cooled to liquid xenon temperatures, to determine their response (combination of photo-cathode quantum efficiency and dynode gain) as a function of temperature. The responses were measured at two wavelengths of light; 460 and 370nm. The tests were performed using light sources at varying distance from the photo-cathode, to investigate the effect of resistivity changes on tube response. Single electron noise was also studied as a function of temperature. The equipment used is described in detail and results are presented.

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