High-temperature superconducting level meter for liquid argon detectors

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URI: http://hdl.handle.net/10481/29082
ISSN: 1748-0221
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Author
Bueno Villar, Antonio; Melgarejo-Fernández, Antonio Jesús; Navarro, J. L.; Navas Concha, Sergio; Ruiz, A. G.
Editorial
Institute of Physics
Materia
Cryogenic detectors
 
Superconductive detectors
 
Control and monitor systems on-line
 
Date
2008
Referencia bibliográfica
Bueno, A.; et al. High-temperature superconducting level meter for liquid argon detectors. Journal of Instrumentation, 3: P12001 (2008). [http://hdl.handle.net/10481/29082]
Sponsorship
This work has been carried out under the auspices of the Spanish Ministry of Education & Science (Grant FPA2006-00684).
Abstract
Capacitive devices are customarily used as probes to measure the level of noble liquids in detectors operated for neutrino studies and dark matter searches. In this work we describe the use of a high-temperature superconducting material as an alternative to control the level of a cryogenic noble liquid. Lab measurements indicate that the superconductor shows a linear behaviour, a high degree of stability and offers a very accurate determination of the liquid volume. This device is therefore a competitive instrument and shows several advantages over conventional level meters.
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Except where otherwise noted, this item's license is described as Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License