Experiments on Direct Dark Matter Search with Two-phase Emission Detectors

Bolozdynya, A.

doi:10.1016/j.phpro.2015.09.212

Cited by 2 publications

(1 citation statement)

References 17 publications

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“…Shallow-depth deployment of the RED-100 detector implies harsh background conditions from natural radioactivity and cosmic rays. Data analysis based on event position reconstruction [10] could help to suppress significantly these backgrounds. Nevertheless, it still could pose a significant problem to the photodetection system stability due to the possible excessive PMT load.…”

Section: Introductionmentioning

confidence: 99%

Performance of Hamamatsu R11410-20 PMTs under intense illumination in a two-phase cryogenic emission detector

et al. 2016

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Hamamatsu R11410-20 PMTs are used in the RED-100 two-phase xenon emission detector built to search for the rare process of coherent elastic neutrino-nucleus scattering using intense artificial neutrino flux. We demonstrate how to adapt the PMTs for their operation under strong illumination caused by electroluminescent signals from gamma and cosmogenic muon backgrounds which are significant at shallow depth experimental sites. The PMT linearity is demonstrated for signals in the dynamic range from 1 to 2*10 4 photoelectrons. Impact of a photoelectric effect at the PMT first dynode to the capabilities of the RED-100 photodetection system is studied and quantified. K: Neutrino detectors; Noble liquid detectors (scintillation, ionization, double-phase); Photon detectors for UV, visible and IR photons (vacuum) 1Corresponding author.

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Section: Introductionmentioning

confidence: 99%