The Cryogenics and Xenon handling system for the PandaX-4T Experiment
arXiv:2012.10583 · doi:10.1088/1748-0221/16/06/T06007
Abstract
PandaX-4T, the new generation of the PandaX detector, is a xenon dual-phase detector with about six tons of liquid xenon as target for dark matter search. A cryogenics and xenon handling system is designed to liquify and purify this large detector. In this paper, the results on the commission of the cryogenics and gas handling system are reported. The maximum cooling power of ~ 580 W at 178 K with three cooperating coldheads has been achieved. The filling rate with an assisted liquid nitrogen cooling can reach ~ 700 kg/day. The average rate of recuperation by liquid nitrogen is around 440 kg/day. The maximum total purification speed of two circulation loops is up to ~ 155 slpm. Each loop is using a large heat exchanger with a measured heat exchange efficiency of ~ 97.5+-0.5%.
arXiv comment15 pages, 11 figures
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Cited by in corpus (10)
- Dark Matter Search Results from the PandaX-4T Commissioning Run
- Dark Matter Search Results from 1.54 TonneYear Exposure of PandaX-4T
- Search for light dark matter with ionization signals in the PandaX-4T Experiment
- A First Search for Solar B Neutrino in the PandaX-4T Experiment using Neutrino-Nucleus Coherent Scattering
- Low Radioactive Material Screening and Background Control for the PandaX-4T Experiment
- Design, construction and commissioning of the PandaX-30T liquid xenon management system
- Search for Light Dark Matter with 259-day data in PandaX-4T
- Neutron-induced nuclear recoil background in the PandaX-4T experiment
- A LN2-based cryogenic system prototype for future PandaX experiment
- Design, construction, and testing of the PandaX-xT cryogenics system