Abstract
The thermal stabilization system for the RED-100 liquid-xenon two-phase emission detector has been designed and tested. The RED-100 detector is developed by the Russian Emission Detectors (RED) collaboration for the experiment aimed at detecting the effect of coherent neutrino scattering from xenon nuclei. The system is based on thermosyphons (closed two-phase tubular heat pipes) that are filled with nitrogen and use free-boiling liquid nitrogen pool as a cooling machine. The system is capable of condensing 180-kg liquid xenon sample for 24 h and maintaining the temperature of a titanium cryostat in the range of 160–190 K with a precision about 0.1 K.
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