Characterization of the Hamamatsu R11410-10 3-Inch Photomultiplier Tube for Dark Matter Direct Detection Experiments

Details Characterization of the Hamamatsu R11410-10 3-Inch Photomultiplier Tube for Dark Matter Direct Detection Experiments Characterization of the Hamamatsu R11410-10 3-Inch Photomultiplier Tube for Dark Matter Direct Detection Experiments

2012-02-13

arxiv.org/abs/1202.2628v1

Physics

Instrumentation and Detectors

11 pages, 16 figures

Scientific paper

The Hamamatsu R11410-10 PMT has been tested extensively at UCLA and Hamamatsu for use in future ton-scale dual-phase xenon dark matter detectors. The R11410-10 PMT has been shown to have a quantum efficiency of greater than 30% at xenon scintillation wavelengths, a radioactivity of 20.4 mBq/piece and a dark count rate of 50 Hz at 0.3 photoelectron threshold. These results in conjunction with the high gain (up to 10^7), good single photoelectron resolution and stability at low temperature provide a satisfactory photosensor for the future of low background event searches.

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