First ground-level laboratory test of the two-phase xenon emission detector RED-100

Abstract

RED-100 is a two-phase detector for study of coherent elastic scattering of reactor electron antineutrinos off xenon atomic nuclei. The detector contains a total of 200 kg of liquid xenon in a titanium cryostat with 160 kg of xenon in active volume inside a Teflon-made light collection cage associated with electrode system. The active volume is viewed by two arrays of nineteen 3"-diameter Hamamatsu R11410-20 PMTs assembled in two planes on top and bottom. The electrode system is equipped with an electron shutter (a patented device) to reduce a "spontaneous" single-electron noise. The detector was tested in a ground-level laboratory. The obtained results demonstrate that detection of coherent elastic scattering of reactor antineutrinos off xenon nuclei at Kalinin nuclear power plant with the RED-100 detector is feasible with a threshold of 4 ionization electrons.

arXiv comment23 pages, 13 figures

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Cited by in corpus (24)

• A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
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• Sources of Low-Energy Events in Low-Threshold Dark Matter and Neutrino Detectors
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• Reactor neutrino applications and coherent elastic neutrino nucleus scattering
• The RED-100 experiment
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• Elastic and inelastic scattering of neutrinos and weakly interacting massive particles on nuclei
• Correlated Single- and Few-Electron Backgrounds Milliseconds after Interactions in Dual-Phase Liquid Xenon Time Projection Chambers
• Reactor neutrino liquid xenon coherent elastic scattering experiment
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