PANCAKE: a large-diameter cryogenic test platform with a flat floor for next generation multi-tonne liquid xenon detectors
arXiv:2312.14785 · doi:10.1088/1748-0221/19/05/P05018
Abstract
The PANCAKE facility is the world's largest liquid xenon test platform. Inside its cryostat with an internal diameter of 2.75 m, components for the next generation of liquid xenon experiments, such as DARWIN or XLZD, will be tested at their full scale. This is essential to ensure their successful operation. This work describes the facility, including its cryostat, cooling systems, xenon handling infrastructure, and its monitoring and instrumentation. The inner vessel has a flat floor, which allows the full diameter to be used with a modest amount of xenon. This is a novel approach for such a large cryostat and is of interest for future large-scale experiments, where a standard torispherical head would require tonnes of additional xenon. Our current xenon inventory of 400 kg allows a liquid depth of about 2 cm in the inner cryostat vessel. We also describe the commissioning of the facility, which is now ready for component testing.
17 pages, 8 figures
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Cited by in corpus (4)
- The XLZD Design Book: Towards the Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
- Development & Characterization of Electrodes for large-scale Xenon Time Projection Chambers
- GRANITE: Mechanical Characterization and Optical Inspection of Large-Area TPC Electrodes
- GRANITE: High-Resolution Imaging and Electrical Qualification of Large-Area TPC Electrodes