High-Power Pulse Tube Cryocooler for Liquid Xenon Particle Detectors

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High-Power Pulse Tube Cryocooler for Liquid Xenon Particle Detectors

Haruyama, T. / Kasami, K. / Matsubara, Y. / Nishitani, T. / Maruno, Y. / Giboni, K. / Aprile, E.

Abstract A high-power and high-temperature pulse tube cryocooler has been developed for xenon liquefaction and re-condensation for high-energy particle detectors. To meet a cooling power requirement of around 70 W at 165 K, KEK and Nihon University have developed a co-axial pulse tube cryocooler with a configuration of inside regenerator. This proto-type cryocooler has been used for a liquid xenon calorimeter, which detects the scintillation light energized by incoming γ-rays. The obtained cooling power is 70 W at 165 K by using a 2.2 kW GM-type compressor, and 120 W by using a 4.8 kW compressor. The basic technology of this coaxial pulse tube cryocooler with an inside-regenerator has been transferred to Iwatani Industrial Gases Corp (IIGC). IIGC fabricated a manufacture-level high quality cryocooler for a dedicated liquid xenon time projection chamber (TPC) at Columbia University in New York. This Iwatani-cryocooler has about 90 W of cooling power at 165 K by using a 3 kW compressor. Since a very clean liquid xenon atmosphere must be kept in this particle detector, the cold fin of the cryocooler is not directly reaching into the chamber, but installed on its outside. The cold stage of the cryocooler is attached to a copper plate, which works as an isolation flange and also as a re-condenser for evaporated xenon gas. Without liquid nitrogen, all the cooling procedures starting with initial cool-down, followed by xenon liquefaction and re-condensing operations were successfully completed without any troubles and difficulties.

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Dokumentinformationen

Titel :

High-Power Pulse Tube Cryocooler for Liquid Xenon Particle Detectors

Beteiligte:

Haruyama, T. (Autor:in) / Kasami, K. (Autor:in) / Matsubara, Y. (Autor:in) / Nishitani, T. (Autor:in) / Maruno, Y. (Autor:in) / Giboni, K. (Autor:in) / Aprile, E. (Autor:in)

Erschienen in:

Cryocoolers 13 ; 689-694

Erscheinungsdatum :

2005-01-01

Format / Umfang :

6 pages

ISBN :

978-0-387-23901-9 , 978-0-387-27533-8

DOI :

https://doi.org/10.1007/0-387-27533-9_85

Medientyp :

Aufsatz/Kapitel (Buch)