arXiv · 1910.06190
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.
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D. Yu. Akimov, V. A. Belov, A. I. Bolozdynya, Yu. V. Efremenko, A. V. Etenko, A. V. Galavanov, D. V. Gouss, Yu. V. Gusakov, Dj. Ed. Kdib, A. V. Khromov, A. M. Konovalov, V. N. Kornoukhov, A. G. Kovalenko, E. S. Kozlova, A. V. Kumpan, A. V. Lukyashin, Yu. A. Melikyan, V. V. Moramzin, O. E. Razuvaeva, D. G. Rudik, A. V. Shakirov, G. E. Simakov, V. V. Sosnovtsev, Yu. V. Stogov, A. A. Vasin. 2019-10-14. First ground-level laboratory test of the two-phase xenon emission detector RED-100. https://doi.org/10.1088/1748-0221/15/02/p02020
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