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28 March 2024
 
  » arxiv » 1601.1075

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Preliminary test results of LAr prototype detector
Pei-Xian Li ; Meng-Yun Guan ; Chang-Gen Yang ; Peng Zhang ; Jin-Chang Liu ; Yong-Pen Zhang ; Cong Guo ; Yi Wang ;
Date Wed, 6 Jan 2016 04:34:18 GMT (1853kb)
AbstractWIMPs are a well-motivated galactic dark matter candidate. Liquid argon (LAr) is an attractive target for the direct detection of WIMPs. The LAr prototype detector is designed to study the technology and property of LAr detector. The prototype detector have an active volume containing 0.65 kg of liquid argon. The liquid nitrogen(LN) cooling system allows the temperature of liquid argon to be maintained at the boiling point (87.8 K) with fluctuations less than 0.1 K. The prototype was calibrated with a Na$^{22}$ source, with the light yield 1.591$pm$0.019 p.e./keV for the 511 keV gamma rays using the domestic-made argon purification system.
Source arXiv, 1601.1075
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