2019/10/14 by D. Yu. Akimov, V. A. Belov, A. I. Bolozdynya +22 · 1 citation
Physics and Astronomy · #physics.ins-det
paper · pdf · doi:10.1088/1748-0221/15/02/p02020
23 pages, 13 figures
arxiv created 2019/10/14 · arxiv updated 2020/04/22
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.