TWO-PHASE EMISSION LOW BACKGROUND DETECTOR

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The invention relates to low background experiments for search for rare events, for example, interactions of dark matter with usual substance. Two-phase emission low background detector consists of cryogenic chamber with vacuum insulation, filled with noble gas in two-phase state liquid st - gas, in which is not less than one matrix photomultiplier tubes, cathode, located in lower part of chamber, anode, located between interface liquid st - gas and matrix photomultiplier tubes, electroluminescent gap, located between level of liquid STI and anode, and electronic gate for blocking drifting to phase boundary ionization of electrons from background events, located under surface of liquid STI. Effect - WiFi client continuously tracks the level odnoelektronnogo noise, which enables rare weakly ionizing processes. 2 dwg.